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Metro - Wikipedia

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data-event-name="pinnable-header.vector-toc.unpin">nascondi</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Inizio</div> </a> </li> <li id="toc-Storia" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Storia"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Storia</span> </div> </a> <ul id="toc-Storia-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Multipli_e_sottomultipli" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Multipli_e_sottomultipli"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Multipli e sottomultipli</span> </div> </a> <ul id="toc-Multipli_e_sottomultipli-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Note" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Note"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Note</span> </div> </a> <ul id="toc-Note-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Bibliografia" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Bibliografia"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Bibliografia</span> </div> </a> <ul id="toc-Bibliografia-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Voci_correlate" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Voci_correlate"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Voci correlate</span> </div> </a> <ul id="toc-Voci_correlate-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Altri_progetti" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Altri_progetti"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Altri progetti</span> </div> </a> <ul id="toc-Altri_progetti-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Collegamenti_esterni" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Collegamenti_esterni"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>Collegamenti esterni</span> </div> </a> <ul id="toc-Collegamenti_esterni-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Indice" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Mostra/Nascondi l&#039;indice" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Mostra/Nascondi l&#039;indice</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Metro</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Vai a una voce in un&#039;altra lingua. Disponibile in 171 lingue" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-171" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">171 lingue</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Meter" title="Meter - afrikaans" lang="af" hreflang="af" data-title="Meter" data-language-autonym="Afrikaans" data-language-local-name="afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-als mw-list-item"><a href="https://als.wikipedia.org/wiki/Meter" title="Meter - tedesco svizzero" lang="gsw" hreflang="gsw" data-title="Meter" data-language-autonym="Alemannisch" data-language-local-name="tedesco svizzero" class="interlanguage-link-target"><span>Alemannisch</span></a></li><li class="interlanguage-link interwiki-am mw-list-item"><a href="https://am.wikipedia.org/wiki/%E1%88%9C%E1%89%B5%E1%88%AD" title="ሜትር - amarico" lang="am" hreflang="am" data-title="ሜትር" data-language-autonym="አማርኛ" data-language-local-name="amarico" class="interlanguage-link-target"><span>አማርኛ</span></a></li><li class="interlanguage-link interwiki-an mw-list-item"><a href="https://an.wikipedia.org/wiki/Metro" title="Metro - aragonese" lang="an" hreflang="an" data-title="Metro" data-language-autonym="Aragonés" data-language-local-name="aragonese" class="interlanguage-link-target"><span>Aragonés</span></a></li><li class="interlanguage-link interwiki-ann mw-list-item"><a href="https://ann.wikipedia.org/wiki/Mita" title="Mita - obolo" lang="ann" hreflang="ann" data-title="Mita" data-language-autonym="Obolo" data-language-local-name="obolo" class="interlanguage-link-target"><span>Obolo</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%85%D8%AA%D8%B1" title="متر - arabo" lang="ar" hreflang="ar" data-title="متر" data-language-autonym="العربية" data-language-local-name="arabo" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ary mw-list-item"><a href="https://ary.wikipedia.org/wiki/%D9%85%D9%8A%D8%AA%D8%B1%D9%88_(%D8%B9%D8%A8%D8%B1%D8%A9)" title="ميترو (عبرة) - arabo marocchino" lang="ary" hreflang="ary" data-title="ميترو (عبرة)" data-language-autonym="الدارجة" data-language-local-name="arabo marocchino" class="interlanguage-link-target"><span>الدارجة</span></a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/%D9%85%D8%AA%D8%B1" title="متر - arabo egiziano" lang="arz" hreflang="arz" data-title="متر" data-language-autonym="مصرى" data-language-local-name="arabo egiziano" class="interlanguage-link-target"><span>مصرى</span></a></li><li class="interlanguage-link interwiki-as mw-list-item"><a href="https://as.wikipedia.org/wiki/%E0%A6%AE%E0%A6%BF%E0%A6%9F%E0%A6%BE%E0%A7%B0" title="মিটাৰ - assamese" lang="as" hreflang="as" data-title="মিটাৰ" data-language-autonym="অসমীয়া" data-language-local-name="assamese" class="interlanguage-link-target"><span>অসমীয়া</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Metru" title="Metru - asturiano" lang="ast" hreflang="ast" data-title="Metru" data-language-autonym="Asturianu" data-language-local-name="asturiano" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-av mw-list-item"><a href="https://av.wikipedia.org/wiki/%D0%9C%D0%B5%D1%82%D1%80" title="Метр - avaro" lang="av" hreflang="av" data-title="Метр" data-language-autonym="Авар" data-language-local-name="avaro" class="interlanguage-link-target"><span>Авар</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Metr" title="Metr - azerbaigiano" lang="az" hreflang="az" data-title="Metr" data-language-autonym="Azərbaycanca" data-language-local-name="azerbaigiano" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%D9%85%D8%AA%D8%B1" title="متر - South Azerbaijani" lang="azb" hreflang="azb" data-title="متر" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-ba mw-list-item"><a href="https://ba.wikipedia.org/wiki/%D0%9C%D0%B5%D1%82%D1%80" title="Метр - baschiro" lang="ba" hreflang="ba" data-title="Метр" data-language-autonym="Башҡортса" data-language-local-name="baschiro" class="interlanguage-link-target"><span>Башҡортса</span></a></li><li class="interlanguage-link interwiki-ban mw-list-item"><a href="https://ban.wikipedia.org/wiki/M%C3%A9ter" title="Méter - balinese" lang="ban" hreflang="ban" data-title="Méter" data-language-autonym="Basa Bali" data-language-local-name="balinese" class="interlanguage-link-target"><span>Basa Bali</span></a></li><li class="interlanguage-link interwiki-bat-smg mw-list-item"><a href="https://bat-smg.wikipedia.org/wiki/Metros" title="Metros - samogitico" lang="sgs" hreflang="sgs" data-title="Metros" data-language-autonym="Žemaitėška" data-language-local-name="samogitico" class="interlanguage-link-target"><span>Žemaitėška</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%9C%D0%B5%D1%82%D1%80" title="Метр - bielorusso" lang="be" hreflang="be" data-title="Метр" data-language-autonym="Беларуская" data-language-local-name="bielorusso" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%9C%D1%8D%D1%82%D0%B0%D1%80" title="Мэтар - Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Мэтар" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9C%D0%B5%D1%82%D1%8A%D1%80" title="Метър - bulgaro" lang="bg" hreflang="bg" data-title="Метър" data-language-autonym="Български" data-language-local-name="bulgaro" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bh mw-list-item"><a href="https://bh.wikipedia.org/wiki/%E0%A4%AE%E0%A5%80%E0%A4%9F%E0%A4%B0" title="मीटर - Bhojpuri" lang="bh" hreflang="bh" data-title="मीटर" data-language-autonym="भोजपुरी" data-language-local-name="Bhojpuri" class="interlanguage-link-target"><span>भोजपुरी</span></a></li><li class="interlanguage-link interwiki-bjn mw-list-item"><a href="https://bjn.wikipedia.org/wiki/Meter" title="Meter - banjar" lang="bjn" hreflang="bjn" data-title="Meter" data-language-autonym="Banjar" data-language-local-name="banjar" class="interlanguage-link-target"><span>Banjar</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%AE%E0%A6%BF%E0%A6%9F%E0%A6%BE%E0%A6%B0" title="মিটার - bengalese" lang="bn" hreflang="bn" data-title="মিটার" data-language-autonym="বাংলা" data-language-local-name="bengalese" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-bo mw-list-item"><a href="https://bo.wikipedia.org/wiki/%E0%BD%A6%E0%BE%A8%E0%BD%B2%E0%BC%8D" title="སྨི། - tibetano" lang="bo" hreflang="bo" data-title="སྨི།" data-language-autonym="བོད་ཡིག" data-language-local-name="tibetano" class="interlanguage-link-target"><span>བོད་ཡིག</span></a></li><li class="interlanguage-link interwiki-br mw-list-item"><a href="https://br.wikipedia.org/wiki/Metr" title="Metr - bretone" lang="br" hreflang="br" data-title="Metr" data-language-autonym="Brezhoneg" data-language-local-name="bretone" class="interlanguage-link-target"><span>Brezhoneg</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Metar" title="Metar - bosniaco" lang="bs" hreflang="bs" data-title="Metar" data-language-autonym="Bosanski" data-language-local-name="bosniaco" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Metre" title="Metre - catalano" lang="ca" hreflang="ca" data-title="Metre" data-language-autonym="Català" data-language-local-name="catalano" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cdo mw-list-item"><a href="https://cdo.wikipedia.org/wiki/G%C5%ADng-chi%C3%B3h" title="Gŭng-chióh - Mindong" lang="cdo" hreflang="cdo" data-title="Gŭng-chióh" data-language-autonym="閩東語 / Mìng-dĕ̤ng-ngṳ̄" data-language-local-name="Mindong" class="interlanguage-link-target"><span>閩東語 / Mìng-dĕ̤ng-ngṳ̄</span></a></li><li class="interlanguage-link interwiki-ce mw-list-item"><a href="https://ce.wikipedia.org/wiki/%D0%9C%D0%B5%D1%82%D1%80" title="Метр - ceceno" lang="ce" hreflang="ce" data-title="Метр" data-language-autonym="Нохчийн" data-language-local-name="ceceno" class="interlanguage-link-target"><span>Нохчийн</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D9%85%DB%95%D8%AA%D8%B1" title="مەتر - curdo centrale" lang="ckb" hreflang="ckb" data-title="مەتر" data-language-autonym="کوردی" data-language-local-name="curdo centrale" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Metr" title="Metr - ceco" lang="cs" hreflang="cs" data-title="Metr" data-language-autonym="Čeština" data-language-local-name="ceco" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cu mw-list-item"><a href="https://cu.wikipedia.org/wiki/%D0%9C%D1%94%D1%82%D1%80%D0%BE" title="Мєтро - slavo ecclesiastico" lang="cu" hreflang="cu" data-title="Мєтро" data-language-autonym="Словѣньскъ / ⰔⰎⰑⰂⰡⰐⰠⰔⰍⰟ" data-language-local-name="slavo ecclesiastico" class="interlanguage-link-target"><span>Словѣньскъ / ⰔⰎⰑⰂⰡⰐⰠⰔⰍⰟ</span></a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/%D0%9C%D0%B5%D1%82%D1%80" title="Метр - ciuvascio" lang="cv" hreflang="cv" data-title="Метр" data-language-autonym="Чӑвашла" data-language-local-name="ciuvascio" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Metr" title="Metr - gallese" lang="cy" hreflang="cy" data-title="Metr" data-language-autonym="Cymraeg" data-language-local-name="gallese" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Meter" title="Meter - danese" lang="da" hreflang="da" data-title="Meter" data-language-autonym="Dansk" data-language-local-name="danese" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Meter" title="Meter - tedesco" lang="de" hreflang="de" data-title="Meter" data-language-autonym="Deutsch" data-language-local-name="tedesco" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-dv mw-list-item"><a href="https://dv.wikipedia.org/wiki/%DE%89%DE%A9%DE%93%DE%A6%DE%83%DE%AA" title="މީޓަރު - divehi" lang="dv" hreflang="dv" data-title="މީޓަރު" data-language-autonym="ދިވެހިބަސް" data-language-local-name="divehi" class="interlanguage-link-target"><span>ދިވެހިބަސް</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%9C%CE%AD%CF%84%CF%81%CE%BF" title="Μέτρο - greco" lang="el" hreflang="el" data-title="Μέτρο" data-language-autonym="Ελληνικά" data-language-local-name="greco" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-eml mw-list-item"><a href="https://eml.wikipedia.org/wiki/M%C3%A9ter" title="Méter - Emiliano-Romagnolo" lang="egl" hreflang="egl" data-title="Méter" data-language-autonym="Emiliàn e rumagnòl" data-language-local-name="Emiliano-Romagnolo" class="interlanguage-link-target"><span>Emiliàn e rumagnòl</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Metre" title="Metre - inglese" lang="en" hreflang="en" data-title="Metre" data-language-autonym="English" data-language-local-name="inglese" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Metro" title="Metro - esperanto" lang="eo" hreflang="eo" data-title="Metro" data-language-autonym="Esperanto" data-language-local-name="esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Metro" title="Metro - spagnolo" lang="es" hreflang="es" data-title="Metro" data-language-autonym="Español" data-language-local-name="spagnolo" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Meeter" title="Meeter - estone" lang="et" hreflang="et" data-title="Meeter" data-language-autonym="Eesti" data-language-local-name="estone" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Metro" title="Metro - basco" lang="eu" hreflang="eu" data-title="Metro" data-language-autonym="Euskara" data-language-local-name="basco" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-ext mw-list-item"><a href="https://ext.wikipedia.org/wiki/Metru" title="Metru - estremegno" lang="ext" hreflang="ext" data-title="Metru" data-language-autonym="Estremeñu" data-language-local-name="estremegno" class="interlanguage-link-target"><span>Estremeñu</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%85%D8%AA%D8%B1" title="متر - persiano" lang="fa" hreflang="fa" data-title="متر" data-language-autonym="فارسی" data-language-local-name="persiano" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Metri" title="Metri - finlandese" lang="fi" hreflang="fi" data-title="Metri" data-language-autonym="Suomi" data-language-local-name="finlandese" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/M%C3%A8tre" title="Mètre - francese" lang="fr" hreflang="fr" data-title="Mètre" data-language-autonym="Français" data-language-local-name="francese" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-frr mw-list-item"><a href="https://frr.wikipedia.org/wiki/Meeter" title="Meeter - frisone settentrionale" lang="frr" hreflang="frr" data-title="Meeter" data-language-autonym="Nordfriisk" data-language-local-name="frisone settentrionale" class="interlanguage-link-target"><span>Nordfriisk</span></a></li><li class="interlanguage-link interwiki-fur mw-list-item"><a href="https://fur.wikipedia.org/wiki/Metri" title="Metri - friulano" lang="fur" hreflang="fur" data-title="Metri" data-language-autonym="Furlan" data-language-local-name="friulano" class="interlanguage-link-target"><span>Furlan</span></a></li><li class="interlanguage-link interwiki-fy mw-list-item"><a href="https://fy.wikipedia.org/wiki/Meter" title="Meter - frisone occidentale" lang="fy" hreflang="fy" data-title="Meter" data-language-autonym="Frysk" data-language-local-name="frisone occidentale" class="interlanguage-link-target"><span>Frysk</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/M%C3%A9adar" title="Méadar - irlandese" lang="ga" hreflang="ga" data-title="Méadar" data-language-autonym="Gaeilge" data-language-local-name="irlandese" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gan mw-list-item"><a href="https://gan.wikipedia.org/wiki/%E7%B1%B3" title="米 - gan" lang="gan" hreflang="gan" data-title="米" data-language-autonym="贛語" data-language-local-name="gan" class="interlanguage-link-target"><span>贛語</span></a></li><li class="interlanguage-link interwiki-gd mw-list-item"><a href="https://gd.wikipedia.org/wiki/Meatair" title="Meatair - gaelico scozzese" lang="gd" hreflang="gd" data-title="Meatair" data-language-autonym="Gàidhlig" data-language-local-name="gaelico scozzese" class="interlanguage-link-target"><span>Gàidhlig</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Metro" title="Metro - galiziano" lang="gl" hreflang="gl" data-title="Metro" data-language-autonym="Galego" data-language-local-name="galiziano" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-gn mw-list-item"><a href="https://gn.wikipedia.org/wiki/Metro" title="Metro - guaraní" lang="gn" hreflang="gn" data-title="Metro" data-language-autonym="Avañe&#039;ẽ" data-language-local-name="guaraní" class="interlanguage-link-target"><span>Avañe'ẽ</span></a></li><li class="interlanguage-link interwiki-gu mw-list-item"><a href="https://gu.wikipedia.org/wiki/%E0%AA%AE%E0%AB%80%E0%AA%9F%E0%AA%B0" title="મીટર - gujarati" lang="gu" hreflang="gu" data-title="મીટર" data-language-autonym="ગુજરાતી" data-language-local-name="gujarati" class="interlanguage-link-target"><span>ગુજરાતી</span></a></li><li class="interlanguage-link interwiki-ha mw-list-item"><a href="https://ha.wikipedia.org/wiki/Mita" title="Mita - hausa" lang="ha" hreflang="ha" data-title="Mita" data-language-autonym="Hausa" data-language-local-name="hausa" class="interlanguage-link-target"><span>Hausa</span></a></li><li class="interlanguage-link interwiki-hak mw-list-item"><a href="https://hak.wikipedia.org/wiki/K%C3%BBng-chhak" title="Kûng-chhak - hakka" lang="hak" hreflang="hak" data-title="Kûng-chhak" data-language-autonym="客家語 / Hak-kâ-ngî" data-language-local-name="hakka" class="interlanguage-link-target"><span>客家語 / Hak-kâ-ngî</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%9E%D7%98%D7%A8" title="מטר - ebraico" lang="he" hreflang="he" data-title="מטר" data-language-autonym="עברית" data-language-local-name="ebraico" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%AE%E0%A5%80%E0%A4%9F%E0%A4%B0" title="मीटर - hindi" lang="hi" hreflang="hi" data-title="मीटर" data-language-autonym="हिन्दी" data-language-local-name="hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hif mw-list-item"><a href="https://hif.wikipedia.org/wiki/Metre" title="Metre - hindi figiano" lang="hif" hreflang="hif" data-title="Metre" data-language-autonym="Fiji Hindi" data-language-local-name="hindi figiano" class="interlanguage-link-target"><span>Fiji Hindi</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Metar" title="Metar - croato" lang="hr" hreflang="hr" data-title="Metar" data-language-autonym="Hrvatski" data-language-local-name="croato" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-hsb mw-list-item"><a href="https://hsb.wikipedia.org/wiki/Meter" title="Meter - alto sorabo" lang="hsb" hreflang="hsb" data-title="Meter" data-language-autonym="Hornjoserbsce" data-language-local-name="alto sorabo" class="interlanguage-link-target"><span>Hornjoserbsce</span></a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/M%C3%A8t" title="Mèt - creolo haitiano" lang="ht" hreflang="ht" data-title="Mèt" data-language-autonym="Kreyòl ayisyen" data-language-local-name="creolo haitiano" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/M%C3%A9ter" title="Méter - ungherese" lang="hu" hreflang="hu" data-title="Méter" data-language-autonym="Magyar" data-language-local-name="ungherese" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%84%D5%A5%D5%BF%D6%80" title="Մետր - armeno" lang="hy" hreflang="hy" data-title="Մետր" data-language-autonym="Հայերեն" data-language-local-name="armeno" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-hyw mw-list-item"><a href="https://hyw.wikipedia.org/wiki/%D5%84%D5%A5%D5%A9%D6%80" title="Մեթր - Western Armenian" lang="hyw" hreflang="hyw" data-title="Մեթր" data-language-autonym="Արեւմտահայերէն" data-language-local-name="Western Armenian" class="interlanguage-link-target"><span>Արեւմտահայերէն</span></a></li><li class="interlanguage-link interwiki-ia mw-list-item"><a href="https://ia.wikipedia.org/wiki/Metro" title="Metro - interlingua" lang="ia" hreflang="ia" data-title="Metro" data-language-autonym="Interlingua" data-language-local-name="interlingua" class="interlanguage-link-target"><span>Interlingua</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Meter" title="Meter - indonesiano" lang="id" hreflang="id" data-title="Meter" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesiano" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-ie mw-list-item"><a href="https://ie.wikipedia.org/wiki/Metre" title="Metre - interlingue" lang="ie" hreflang="ie" data-title="Metre" data-language-autonym="Interlingue" data-language-local-name="interlingue" class="interlanguage-link-target"><span>Interlingue</span></a></li><li class="interlanguage-link interwiki-ilo mw-list-item"><a href="https://ilo.wikipedia.org/wiki/Metro" title="Metro - ilocano" lang="ilo" hreflang="ilo" data-title="Metro" data-language-autonym="Ilokano" data-language-local-name="ilocano" class="interlanguage-link-target"><span>Ilokano</span></a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/Metro" title="Metro - ido" lang="io" hreflang="io" data-title="Metro" data-language-autonym="Ido" data-language-local-name="ido" class="interlanguage-link-target"><span>Ido</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Metri" title="Metri - islandese" lang="is" hreflang="is" data-title="Metri" data-language-autonym="Íslenska" data-language-local-name="islandese" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-ja badge-Q17437798 badge-goodarticle mw-list-item" title="voce di qualità"><a href="https://ja.wikipedia.org/wiki/%E3%83%A1%E3%83%BC%E3%83%88%E3%83%AB" title="メートル - giapponese" lang="ja" hreflang="ja" data-title="メートル" data-language-autonym="日本語" data-language-local-name="giapponese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-jam mw-list-item"><a href="https://jam.wikipedia.org/wiki/Miita" title="Miita - creolo giamaicano" lang="jam" hreflang="jam" data-title="Miita" data-language-autonym="Patois" data-language-local-name="creolo giamaicano" class="interlanguage-link-target"><span>Patois</span></a></li><li class="interlanguage-link interwiki-jbo mw-list-item"><a href="https://jbo.wikipedia.org/wiki/mitre" title="mitre - lojban" lang="jbo" hreflang="jbo" data-title="mitre" data-language-autonym="La .lojban." data-language-local-name="lojban" class="interlanguage-link-target"><span>La .lojban.</span></a></li><li class="interlanguage-link interwiki-jv mw-list-item"><a href="https://jv.wikipedia.org/wiki/M%C3%A8ter" title="Mèter - giavanese" lang="jv" hreflang="jv" data-title="Mèter" data-language-autonym="Jawa" data-language-local-name="giavanese" class="interlanguage-link-target"><span>Jawa</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%9B%E1%83%94%E1%83%A2%E1%83%A0%E1%83%98" title="მეტრი - georgiano" lang="ka" hreflang="ka" data-title="მეტრი" data-language-autonym="ქართული" data-language-local-name="georgiano" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kaa mw-list-item"><a href="https://kaa.wikipedia.org/wiki/Metr" title="Metr - kara-kalpak" lang="kaa" hreflang="kaa" data-title="Metr" data-language-autonym="Qaraqalpaqsha" data-language-local-name="kara-kalpak" class="interlanguage-link-target"><span>Qaraqalpaqsha</span></a></li><li class="interlanguage-link interwiki-kab mw-list-item"><a href="https://kab.wikipedia.org/wiki/Mitra" title="Mitra - cabilo" lang="kab" hreflang="kab" data-title="Mitra" data-language-autonym="Taqbaylit" data-language-local-name="cabilo" class="interlanguage-link-target"><span>Taqbaylit</span></a></li><li class="interlanguage-link interwiki-kcg mw-list-item"><a href="https://kcg.wikipedia.org/wiki/Mita_(cung)" title="Mita (cung) - tyap" lang="kcg" hreflang="kcg" data-title="Mita (cung)" data-language-autonym="Tyap" data-language-local-name="tyap" class="interlanguage-link-target"><span>Tyap</span></a></li><li class="interlanguage-link interwiki-kge mw-list-item"><a href="https://kge.wikipedia.org/wiki/Meter_(m)" title="Meter (m) - Komering" lang="kge" hreflang="kge" data-title="Meter (m)" data-language-autonym="Kumoring" data-language-local-name="Komering" class="interlanguage-link-target"><span>Kumoring</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%9C%D0%B5%D1%82%D1%80" title="Метр - kazako" lang="kk" hreflang="kk" data-title="Метр" data-language-autonym="Қазақша" data-language-local-name="kazako" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-kn mw-list-item"><a href="https://kn.wikipedia.org/wiki/%E0%B2%AE%E0%B3%80%E0%B2%9F%E0%B2%B0%E0%B3%8D" title="ಮೀಟರ್ - kannada" lang="kn" hreflang="kn" data-title="ಮೀಟರ್" data-language-autonym="ಕನ್ನಡ" data-language-local-name="kannada" class="interlanguage-link-target"><span>ಕನ್ನಡ</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EB%AF%B8%ED%84%B0" title="미터 - coreano" lang="ko" hreflang="ko" data-title="미터" data-language-autonym="한국어" data-language-local-name="coreano" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-krc mw-list-item"><a href="https://krc.wikipedia.org/wiki/%D0%9C%D0%B5%D1%82%D1%80" title="Метр - karachay-Balkar" lang="krc" hreflang="krc" data-title="Метр" data-language-autonym="Къарачай-малкъар" data-language-local-name="karachay-Balkar" class="interlanguage-link-target"><span>Къарачай-малкъар</span></a></li><li class="interlanguage-link interwiki-ksh mw-list-item"><a href="https://ksh.wikipedia.org/wiki/L%C3%A4ng" title="Läng - coloniese" lang="ksh" hreflang="ksh" data-title="Läng" data-language-autonym="Ripoarisch" data-language-local-name="coloniese" class="interlanguage-link-target"><span>Ripoarisch</span></a></li><li class="interlanguage-link interwiki-ku mw-list-item"><a href="https://ku.wikipedia.org/wiki/Metre" title="Metre - curdo" lang="ku" hreflang="ku" data-title="Metre" data-language-autonym="Kurdî" data-language-local-name="curdo" class="interlanguage-link-target"><span>Kurdî</span></a></li><li class="interlanguage-link interwiki-kw mw-list-item"><a href="https://kw.wikipedia.org/wiki/Meter" title="Meter - cornico" lang="kw" hreflang="kw" data-title="Meter" data-language-autonym="Kernowek" data-language-local-name="cornico" class="interlanguage-link-target"><span>Kernowek</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%9C%D0%B5%D1%82%D1%80" title="Метр - kirghiso" lang="ky" hreflang="ky" data-title="Метр" data-language-autonym="Кыргызча" data-language-local-name="kirghiso" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Metrum" title="Metrum - latino" lang="la" hreflang="la" data-title="Metrum" data-language-autonym="Latina" data-language-local-name="latino" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Meter" title="Meter - lussemburghese" lang="lb" hreflang="lb" data-title="Meter" data-language-autonym="Lëtzebuergesch" data-language-local-name="lussemburghese" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-lez mw-list-item"><a href="https://lez.wikipedia.org/wiki/%D0%9C%D0%B5%D1%82%D1%80" title="Метр - lesgo" lang="lez" hreflang="lez" data-title="Метр" data-language-autonym="Лезги" data-language-local-name="lesgo" class="interlanguage-link-target"><span>Лезги</span></a></li><li class="interlanguage-link interwiki-li mw-list-item"><a href="https://li.wikipedia.org/wiki/Meter" title="Meter - limburghese" lang="li" hreflang="li" data-title="Meter" data-language-autonym="Limburgs" data-language-local-name="limburghese" class="interlanguage-link-target"><span>Limburgs</span></a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/Meter" title="Meter - lombardo" lang="lmo" hreflang="lmo" data-title="Meter" data-language-autonym="Lombard" data-language-local-name="lombardo" class="interlanguage-link-target"><span>Lombard</span></a></li><li class="interlanguage-link interwiki-ln mw-list-item"><a href="https://ln.wikipedia.org/wiki/M%C9%9Bt%C9%9Bl%C9%9B" title="Mɛtɛlɛ - lingala" lang="ln" hreflang="ln" data-title="Mɛtɛlɛ" data-language-autonym="Lingála" data-language-local-name="lingala" class="interlanguage-link-target"><span>Lingála</span></a></li><li class="interlanguage-link interwiki-lo mw-list-item"><a href="https://lo.wikipedia.org/wiki/%E0%BB%81%E0%BA%A1%E0%BA%B1%E0%BA%94" title="ແມັດ - lao" lang="lo" hreflang="lo" data-title="ແມັດ" data-language-autonym="ລາວ" data-language-local-name="lao" class="interlanguage-link-target"><span>ລາວ</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Metras" title="Metras - lituano" lang="lt" hreflang="lt" data-title="Metras" data-language-autonym="Lietuvių" data-language-local-name="lituano" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Metrs" title="Metrs - lettone" lang="lv" hreflang="lv" data-title="Metrs" data-language-autonym="Latviešu" data-language-local-name="lettone" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-mg mw-list-item"><a href="https://mg.wikipedia.org/wiki/Metatra" title="Metatra - malgascio" lang="mg" hreflang="mg" data-title="Metatra" data-language-autonym="Malagasy" data-language-local-name="malgascio" class="interlanguage-link-target"><span>Malagasy</span></a></li><li class="interlanguage-link interwiki-min mw-list-item"><a href="https://min.wikipedia.org/wiki/Meter" title="Meter - menangkabau" lang="min" hreflang="min" data-title="Meter" data-language-autonym="Minangkabau" data-language-local-name="menangkabau" class="interlanguage-link-target"><span>Minangkabau</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%9C%D0%B5%D1%82%D0%B0%D1%80" title="Метар - macedone" lang="mk" hreflang="mk" data-title="Метар" data-language-autonym="Македонски" data-language-local-name="macedone" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%AE%E0%B5%80%E0%B4%B1%E0%B5%8D%E0%B4%B1%E0%B5%BC" title="മീറ്റർ - malayalam" lang="ml" hreflang="ml" data-title="മീറ്റർ" data-language-autonym="മലയാളം" data-language-local-name="malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D0%9C%D0%B5%D1%82%D1%80" title="Метр - mongolo" lang="mn" hreflang="mn" data-title="Метр" data-language-autonym="Монгол" data-language-local-name="mongolo" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-mnw mw-list-item"><a href="https://mnw.wikipedia.org/wiki/%E1%80%99%E1%80%B3%E1%80%90%E1%80%AC" title="မဳတာ - Mon" lang="mnw" hreflang="mnw" data-title="မဳတာ" data-language-autonym="ဘာသာမန်" data-language-local-name="Mon" class="interlanguage-link-target"><span>ဘာသာမန်</span></a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A4%AE%E0%A5%80%E0%A4%9F%E0%A4%B0" title="मीटर - marathi" lang="mr" hreflang="mr" data-title="मीटर" data-language-autonym="मराठी" data-language-local-name="marathi" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Meter" title="Meter - malese" lang="ms" hreflang="ms" data-title="Meter" data-language-autonym="Bahasa Melayu" data-language-local-name="malese" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-mt mw-list-item"><a href="https://mt.wikipedia.org/wiki/Metru" title="Metru - maltese" lang="mt" hreflang="mt" data-title="Metru" data-language-autonym="Malti" data-language-local-name="maltese" class="interlanguage-link-target"><span>Malti</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/%E1%80%99%E1%80%AE%E1%80%90%E1%80%AC" title="မီတာ - birmano" lang="my" hreflang="my" data-title="မီတာ" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="birmano" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Meter" title="Meter - basso tedesco" lang="nds" hreflang="nds" data-title="Meter" data-language-autonym="Plattdüütsch" data-language-local-name="basso tedesco" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-ne mw-list-item"><a href="https://ne.wikipedia.org/wiki/%E0%A4%AE%E0%A4%BF%E0%A4%9F%E0%A4%B0" title="मिटर - nepalese" lang="ne" hreflang="ne" data-title="मिटर" data-language-autonym="नेपाली" data-language-local-name="nepalese" class="interlanguage-link-target"><span>नेपाली</span></a></li><li class="interlanguage-link interwiki-new mw-list-item"><a href="https://new.wikipedia.org/wiki/%E0%A4%AE%E0%A4%BF%E0%A4%A4%E0%A4%B0" title="मितर - newari" lang="new" hreflang="new" data-title="मितर" data-language-autonym="नेपाल भाषा" data-language-local-name="newari" class="interlanguage-link-target"><span>नेपाल भाषा</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Meter" title="Meter - olandese" lang="nl" hreflang="nl" data-title="Meter" data-language-autonym="Nederlands" data-language-local-name="olandese" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Meter" title="Meter - norvegese nynorsk" lang="nn" hreflang="nn" data-title="Meter" data-language-autonym="Norsk nynorsk" data-language-local-name="norvegese nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Meter" title="Meter - norvegese bokmål" lang="nb" hreflang="nb" data-title="Meter" data-language-autonym="Norsk bokmål" data-language-local-name="norvegese bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-nrm mw-list-item"><a href="https://nrm.wikipedia.org/wiki/M%C3%A8te" title="Mète - Norman" lang="nrf" hreflang="nrf" data-title="Mète" data-language-autonym="Nouormand" data-language-local-name="Norman" class="interlanguage-link-target"><span>Nouormand</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/M%C3%A8tre" title="Mètre - occitano" lang="oc" hreflang="oc" data-title="Mètre" data-language-autonym="Occitan" data-language-local-name="occitano" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-os mw-list-item"><a href="https://os.wikipedia.org/wiki/%D0%9C%D0%B5%D1%82%D1%80" title="Метр - ossetico" lang="os" hreflang="os" data-title="Метр" data-language-autonym="Ирон" data-language-local-name="ossetico" class="interlanguage-link-target"><span>Ирон</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%AE%E0%A9%80%E0%A8%9F%E0%A8%B0" title="ਮੀਟਰ - punjabi" lang="pa" hreflang="pa" data-title="ਮੀਟਰ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="punjabi" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Metr" title="Metr - polacco" lang="pl" hreflang="pl" data-title="Metr" data-language-autonym="Polski" data-language-local-name="polacco" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pms mw-list-item"><a href="https://pms.wikipedia.org/wiki/M%C3%A9ter" title="Méter - piemontese" lang="pms" hreflang="pms" data-title="Méter" data-language-autonym="Piemontèis" data-language-local-name="piemontese" class="interlanguage-link-target"><span>Piemontèis</span></a></li><li class="interlanguage-link interwiki-pnb mw-list-item"><a href="https://pnb.wikipedia.org/wiki/%D9%85%DB%8C%D9%B9%D8%B1" title="میٹر - Western Punjabi" lang="pnb" hreflang="pnb" data-title="میٹر" data-language-autonym="پنجابی" data-language-local-name="Western Punjabi" class="interlanguage-link-target"><span>پنجابی</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Metro" title="Metro - portoghese" lang="pt" hreflang="pt" data-title="Metro" data-language-autonym="Português" data-language-local-name="portoghese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-qu mw-list-item"><a href="https://qu.wikipedia.org/wiki/Mitru" title="Mitru - quechua" lang="qu" hreflang="qu" data-title="Mitru" data-language-autonym="Runa Simi" data-language-local-name="quechua" class="interlanguage-link-target"><span>Runa Simi</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Metru" title="Metru - rumeno" lang="ro" hreflang="ro" data-title="Metru" data-language-autonym="Română" data-language-local-name="rumeno" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-roa-tara mw-list-item"><a href="https://roa-tara.wikipedia.org/wiki/Metre" title="Metre - Tarantino" lang="nap-x-tara" hreflang="nap-x-tara" data-title="Metre" data-language-autonym="Tarandíne" data-language-local-name="Tarantino" class="interlanguage-link-target"><span>Tarandíne</span></a></li><li class="interlanguage-link interwiki-rsk mw-list-item"><a href="https://rsk.wikipedia.org/wiki/%D0%9C%D0%B5%D1%82%D0%B5%D1%80" title="Метер - Pannonian Rusyn" lang="rsk" hreflang="rsk" data-title="Метер" data-language-autonym="Руски" data-language-local-name="Pannonian Rusyn" class="interlanguage-link-target"><span>Руски</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9C%D0%B5%D1%82%D1%80" title="Метр - russo" lang="ru" hreflang="ru" data-title="Метр" data-language-autonym="Русский" data-language-local-name="russo" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-rue mw-list-item"><a href="https://rue.wikipedia.org/wiki/%D0%9C%D0%B5%D1%82%D0%B5%D1%80" title="Метер - ruteno" lang="rue" hreflang="rue" data-title="Метер" data-language-autonym="Русиньскый" data-language-local-name="ruteno" class="interlanguage-link-target"><span>Русиньскый</span></a></li><li class="interlanguage-link interwiki-sah mw-list-item"><a href="https://sah.wikipedia.org/wiki/%D0%9C%D0%B8%D1%8D%D1%82%D1%8D%D1%80%D1%8D" title="Миэтэрэ - sacha" lang="sah" hreflang="sah" data-title="Миэтэрэ" data-language-autonym="Саха тыла" data-language-local-name="sacha" class="interlanguage-link-target"><span>Саха тыла</span></a></li><li class="interlanguage-link interwiki-sc mw-list-item"><a href="https://sc.wikipedia.org/wiki/Metre" title="Metre - sardo" lang="sc" hreflang="sc" data-title="Metre" data-language-autonym="Sardu" data-language-local-name="sardo" class="interlanguage-link-target"><span>Sardu</span></a></li><li class="interlanguage-link interwiki-scn mw-list-item"><a href="https://scn.wikipedia.org/wiki/Metru" title="Metru - siciliano" lang="scn" hreflang="scn" data-title="Metru" data-language-autonym="Sicilianu" data-language-local-name="siciliano" class="interlanguage-link-target"><span>Sicilianu</span></a></li><li class="interlanguage-link interwiki-sco mw-list-item"><a href="https://sco.wikipedia.org/wiki/Metre" title="Metre - scozzese" lang="sco" hreflang="sco" data-title="Metre" data-language-autonym="Scots" data-language-local-name="scozzese" class="interlanguage-link-target"><span>Scots</span></a></li><li class="interlanguage-link interwiki-se mw-list-item"><a href="https://se.wikipedia.org/wiki/Mehter" title="Mehter - sami del nord" lang="se" hreflang="se" data-title="Mehter" data-language-autonym="Davvisámegiella" data-language-local-name="sami del nord" class="interlanguage-link-target"><span>Davvisámegiella</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Metar" title="Metar - serbo-croato" lang="sh" hreflang="sh" data-title="Metar" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbo-croato" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-si mw-list-item"><a href="https://si.wikipedia.org/wiki/%E0%B6%B8%E0%B7%93%E0%B6%A7%E0%B6%BB%E0%B6%BA" title="මීටරය - singalese" lang="si" hreflang="si" data-title="මීටරය" data-language-autonym="සිංහල" data-language-local-name="singalese" class="interlanguage-link-target"><span>සිංහල</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Metre" title="Metre - Simple English" lang="en-simple" hreflang="en-simple" data-title="Metre" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Meter" title="Meter - slovacco" lang="sk" hreflang="sk" data-title="Meter" data-language-autonym="Slovenčina" data-language-local-name="slovacco" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl badge-Q17437796 badge-featuredarticle mw-list-item" title="voce in vetrina"><a href="https://sl.wikipedia.org/wiki/Meter" title="Meter - sloveno" lang="sl" hreflang="sl" data-title="Meter" data-language-autonym="Slovenščina" data-language-local-name="sloveno" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-so mw-list-item"><a href="https://so.wikipedia.org/wiki/Mitir" title="Mitir - somalo" lang="so" hreflang="so" data-title="Mitir" data-language-autonym="Soomaaliga" data-language-local-name="somalo" class="interlanguage-link-target"><span>Soomaaliga</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Metri" title="Metri - albanese" lang="sq" hreflang="sq" data-title="Metri" data-language-autonym="Shqip" data-language-local-name="albanese" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%9C%D0%B5%D1%82%D0%B0%D1%80" title="Метар - serbo" lang="sr" hreflang="sr" data-title="Метар" data-language-autonym="Српски / srpski" data-language-local-name="serbo" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-su mw-list-item"><a href="https://su.wikipedia.org/wiki/M%C3%A9ter" title="Méter - sundanese" lang="su" hreflang="su" data-title="Méter" data-language-autonym="Sunda" data-language-local-name="sundanese" class="interlanguage-link-target"><span>Sunda</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Meter" title="Meter - svedese" lang="sv" hreflang="sv" data-title="Meter" data-language-autonym="Svenska" data-language-local-name="svedese" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Mita" title="Mita - swahili" lang="sw" hreflang="sw" data-title="Mita" data-language-autonym="Kiswahili" data-language-local-name="swahili" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-szl mw-list-item"><a href="https://szl.wikipedia.org/wiki/Myjter" title="Myjter - slesiano" lang="szl" hreflang="szl" data-title="Myjter" data-language-autonym="Ślůnski" data-language-local-name="slesiano" class="interlanguage-link-target"><span>Ślůnski</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%AE%E0%AF%80%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%B0%E0%AF%8D" title="மீட்டர் - tamil" lang="ta" hreflang="ta" data-title="மீட்டர்" data-language-autonym="தமிழ்" data-language-local-name="tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%AE%E0%B1%80%E0%B0%9F%E0%B0%B0%E0%B1%81" title="మీటరు - telugu" lang="te" hreflang="te" data-title="మీటరు" data-language-autonym="తెలుగు" data-language-local-name="telugu" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-tg mw-list-item"><a href="https://tg.wikipedia.org/wiki/%D0%9C%D0%B5%D1%82%D1%80" title="Метр - tagico" lang="tg" hreflang="tg" data-title="Метр" data-language-autonym="Тоҷикӣ" data-language-local-name="tagico" class="interlanguage-link-target"><span>Тоҷикӣ</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B9%80%E0%B8%A1%E0%B8%95%E0%B8%A3" title="เมตร - thailandese" lang="th" hreflang="th" data-title="เมตร" data-language-autonym="ไทย" data-language-local-name="thailandese" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Metro" title="Metro - tagalog" lang="tl" hreflang="tl" data-title="Metro" data-language-autonym="Tagalog" data-language-local-name="tagalog" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Metre" title="Metre - turco" lang="tr" hreflang="tr" data-title="Metre" data-language-autonym="Türkçe" data-language-local-name="turco" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-ts mw-list-item"><a href="https://ts.wikipedia.org/wiki/Mitara" title="Mitara - tsonga" lang="ts" hreflang="ts" data-title="Mitara" data-language-autonym="Xitsonga" data-language-local-name="tsonga" class="interlanguage-link-target"><span>Xitsonga</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/%D0%9C%D0%B5%D1%82%D1%80" title="Метр - tataro" lang="tt" hreflang="tt" data-title="Метр" data-language-autonym="Татарча / tatarça" data-language-local-name="tataro" class="interlanguage-link-target"><span>Татарча / tatarça</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9C%D0%B5%D1%82%D1%80" title="Метр - ucraino" lang="uk" hreflang="uk" data-title="Метр" data-language-autonym="Українська" data-language-local-name="ucraino" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%D9%85%DB%8C%D9%B9%D8%B1" title="میٹر - urdu" lang="ur" hreflang="ur" data-title="میٹر" data-language-autonym="اردو" data-language-local-name="urdu" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Metr" title="Metr - uzbeco" lang="uz" hreflang="uz" data-title="Metr" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="uzbeco" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-vec mw-list-item"><a href="https://vec.wikipedia.org/wiki/Metro" title="Metro - veneto" lang="vec" hreflang="vec" data-title="Metro" data-language-autonym="Vèneto" data-language-local-name="veneto" class="interlanguage-link-target"><span>Vèneto</span></a></li><li class="interlanguage-link interwiki-vep mw-list-item"><a href="https://vep.wikipedia.org/wiki/Metr" title="Metr - vepso" lang="vep" hreflang="vep" data-title="Metr" data-language-autonym="Vepsän kel’" data-language-local-name="vepso" class="interlanguage-link-target"><span>Vepsän kel’</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/M%C3%A9t" title="Mét - vietnamita" lang="vi" hreflang="vi" data-title="Mét" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamita" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-vls mw-list-item"><a href="https://vls.wikipedia.org/wiki/Meter_(lengtemoate)" title="Meter (lengtemoate) - fiammingo occidentale" lang="vls" hreflang="vls" data-title="Meter (lengtemoate)" data-language-autonym="West-Vlams" data-language-local-name="fiammingo occidentale" class="interlanguage-link-target"><span>West-Vlams</span></a></li><li class="interlanguage-link interwiki-wa mw-list-item"><a href="https://wa.wikipedia.org/wiki/Mete" title="Mete - vallone" lang="wa" hreflang="wa" data-title="Mete" data-language-autonym="Walon" data-language-local-name="vallone" class="interlanguage-link-target"><span>Walon</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Metro" title="Metro - waray" lang="war" hreflang="war" data-title="Metro" data-language-autonym="Winaray" data-language-local-name="waray" class="interlanguage-link-target"><span>Winaray</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E7%B1%B3%EF%BC%88%E5%8D%95%E4%BD%8D%EF%BC%89" title="米(单位) - wu" lang="wuu" hreflang="wuu" data-title="米(单位)" data-language-autonym="吴语" data-language-local-name="wu" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-xmf mw-list-item"><a href="https://xmf.wikipedia.org/wiki/%E1%83%9B%E1%83%94%E1%83%A2%E1%83%A0%E1%83%90" title="მეტრა - mengrelio" lang="xmf" hreflang="xmf" data-title="მეტრა" data-language-autonym="მარგალური" data-language-local-name="mengrelio" class="interlanguage-link-target"><span>მარგალური</span></a></li><li class="interlanguage-link interwiki-yi mw-list-item"><a href="https://yi.wikipedia.org/wiki/%D7%9E%D7%A2%D7%98%D7%A2%D7%A8" title="מעטער - yiddish" lang="yi" hreflang="yi" data-title="מעטער" data-language-autonym="ייִדיש" data-language-local-name="yiddish" class="interlanguage-link-target"><span>ייִדיש</span></a></li><li class="interlanguage-link interwiki-yo mw-list-item"><a href="https://yo.wikipedia.org/wiki/M%C3%ADt%C3%A0" title="Mítà - yoruba" lang="yo" hreflang="yo" data-title="Mítà" data-language-autonym="Yorùbá" data-language-local-name="yoruba" class="interlanguage-link-target"><span>Yorùbá</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E7%B1%B3_(%E5%8D%95%E4%BD%8D)" title="米 (单位) - cinese" lang="zh" hreflang="zh" data-title="米 (单位)" data-language-autonym="中文" data-language-local-name="cinese" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-classical mw-list-item"><a href="https://zh-classical.wikipedia.org/wiki/%E5%85%AC%E5%B0%BA" title="公尺 - cinese classico" lang="lzh" hreflang="lzh" data-title="公尺" data-language-autonym="文言" data-language-local-name="cinese classico" class="interlanguage-link-target"><span>文言</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/Kong-chhioh" title="Kong-chhioh - min nan" lang="nan" hreflang="nan" data-title="Kong-chhioh" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="min nan" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li><li class="interlanguage-link interwiki-zh-yue 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href="/w/index.php?title=Picometro&amp;redirect=no" class="mw-redirect" title="Picometro">Picometro</a></strong>)</span></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="it" dir="ltr"><style data-mw-deduplicate="TemplateStyles:r130658281">body:not(.skin-minerva) .mw-parser-output .hatnote.nota-disambigua{clear:both;margin-top:0;padding:.05em .5em}</style> <style data-mw-deduplicate="TemplateStyles:r139142988">.mw-parser-output .hatnote-content{align-items:center;display:flex}.mw-parser-output .hatnote-icon{flex-shrink:0}.mw-parser-output .hatnote-icon img{display:flex}.mw-parser-output .hatnote-text{font-style:italic}body:not(.skin-minerva) .mw-parser-output .hatnote{border:1px solid #CCC;display:flex;margin:.5em 0;padding:.2em .5em}body:not(.skin-minerva) .mw-parser-output .hatnote-text{padding-left:.5em}body.skin-minerva .mw-parser-output .hatnote-icon{padding-right:8px}body.skin-minerva .mw-parser-output .hatnote-icon img{height:auto;width:16px}body.skin--responsive .mw-parser-output .hatnote a.new{color:#d73333}body.skin--responsive .mw-parser-output .hatnote a.new:visited{color:#a55858}</style> <div class="hatnote noprint nota-disambigua"> <div class="hatnote-content"><span class="noviewer hatnote-icon" typeof="mw:File"><span><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Nota_disambigua.svg/18px-Nota_disambigua.svg.png" decoding="async" width="18" height="18" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Nota_disambigua.svg/27px-Nota_disambigua.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Nota_disambigua.svg/36px-Nota_disambigua.svg.png 2x" data-file-width="200" data-file-height="200" /></span></span> <span class="hatnote-text"><a href="/wiki/Aiuto:Disambiguazione" title="Aiuto:Disambiguazione">Disambiguazione</a> – Se stai cercando altri significati, vedi <b><a href="/wiki/Metro_(disambigua)" class="mw-disambig" title="Metro (disambigua)">Metro (disambigua)</a></b>.</span></div> </div> <table class="infobox sinottico" summary="Tabella sinottica che riassume i principali dati del soggetto"><tbody><tr class="sinottico_testata"><th colspan="2" style="background:#A2A2A2;color:#fff">Metro</th></tr><tr><td class="sinottico_testo_centrale" colspan="2"><figure class="mw-halign-center" typeof="mw:File/Frameless"><a href="/wiki/File:US_National_Length_Meter.JPG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a5/US_National_Length_Meter.JPG/260px-US_National_Length_Meter.JPG" decoding="async" width="260" height="223" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/a/a5/US_National_Length_Meter.JPG 1.5x" data-file-width="350" data-file-height="300" /></a><figcaption></figcaption></figure>Particolare della <i>Barra numero 27</i>, realizzata nel <a href="/wiki/1889" title="1889">1889</a> e conservata presso il <a href="/wiki/Bureau_international_des_poids_et_mesures" title="Bureau international des poids et mesures">Bureau international des poids et mesures</a>; ha rappresentato il prototipo standard internazionale della lunghezza di 1 metro</td></tr><tr class="sinottico_divisione"><th colspan="2" style="background:#D2D2D2">Informazioni generali</th></tr><tr><th><a href="/wiki/Sistemi_di_misurazione" title="Sistemi di misurazione">Sistema</a></th><td><a href="/wiki/Sistema_internazionale_di_unit%C3%A0_di_misura" title="Sistema internazionale di unità di misura">SI</a> </td></tr><tr><th><a href="/wiki/Grandezza_fisica" title="Grandezza fisica">Grandezza</a></th><td><a href="/wiki/Lunghezza" title="Lunghezza">lunghezza</a> </td></tr><tr><th>Simbolo</th><td>m </td></tr><tr class="sinottico_divisione"><th colspan="2" style="background:#D2D2D2"><a href="/wiki/Conversione_delle_unit%C3%A0_di_misura" title="Conversione delle unità di misura">Conversioni</a> <table width="100%" style="font-weight:normal;font-style:italic; text-align:left"> <tbody><tr> <td width="50%">1 m in...</td> <td>...equivale a... </td></tr></tbody></table></th></tr><tr><th><a href="/wiki/Sistema_CGS" title="Sistema CGS">Unità CGS</a></th><td><span class="nowrap"><span data-sort-value="7000100000000000000♠"></span>100&#160;<a class="mw-selflink selflink">cm</a></span> </td></tr><tr><th><a href="/wiki/Sistema_consuetudinario_statunitense" title="Sistema consuetudinario statunitense">Unità US</a>/<a href="/wiki/Sistema_imperiale_britannico" title="Sistema imperiale britannico">Imp</a></th><td>≈<span class="nowrap"><span data-sort-value="7000100000054000000♠"></span>39,3701&#160;<a href="/wiki/Pollice_(unit%C3%A0_di_misura)" title="Pollice (unità di misura)">in</a></span><br />≈<span class="nowrap"><span data-sort-value="7000100000003200000♠"></span>3,28084&#160;<a href="/wiki/Piede_(unit%C3%A0_di_misura)" title="Piede (unità di misura)">ft</a></span> <a href="/wiki/Piede_(unit%C3%A0_di_misura)" title="Piede (unità di misura)">ft</a><br />≈<span class="nowrap"><span data-sort-value="6999999996983999999♠"></span>1,09361&#160;<a href="/wiki/Iarda" title="Iarda">yd</a></span><br />≈<span class="nowrap"><span data-sort-value="6999999999690624000♠"></span>6,21371<span style="margin-left:0.25em;margin-right:0.15em;">×</span>10<sup>−4</sup>&#160;<a href="/wiki/Miglio_(unit%C3%A0_di_misura)" title="Miglio (unità di misura)">mi</a></span> </td></tr><tr><th><a href="/wiki/Unit%C3%A0_di_misura_di_Planck" title="Unità di misura di Planck">Unità di Planck</a></th><td>≈<span class="nowrap"><span data-sort-value="7034624999999999999♠"></span>6,25<span style="margin-left:0.25em;margin-right:0.15em;">×</span>10<sup>34</sup>&#160;<a href="/wiki/Lunghezza_di_Planck" title="Lunghezza di Planck">l<sub>P</sub></a></span> </td></tr><tr><th><a href="/wiki/Unit%C3%A0_atomiche" title="Unità atomiche">Unità atomiche</a></th><td>≈<span class="nowrap"><span data-sort-value="7010189000000000000♠"></span>1,89<span style="margin-left:0.25em;margin-right:0.15em;">×</span>10<sup>10</sup>&#160;<a href="/wiki/Raggio_di_Bohr" title="Raggio di Bohr">a<sub>0</sub></a></span> </td></tr><tr><th><a href="/wiki/Sistema_astronomico_di_unit%C3%A0_di_misura" title="Sistema astronomico di unità di misura">Unità SA</a></th><td>≈<span class="nowrap"><span data-sort-value="7000100000043050251♠"></span>6,68459<span style="margin-left:0.25em;margin-right:0.15em;">×</span>10<sup>−12</sup>&#160;<a href="/wiki/Unit%C3%A0_astronomica" title="Unità astronomica">au</a></span> </td></tr><tr><td class="sinottico_piede2 noprint nomobile metadata" colspan="2"><a href="https://www.wikidata.org/wiki/Q11573" class="extiw" title="d:Q11573"><span title="Modifica i dati della voce Metro su Wikidata">Modifica dati su Wikidata</span></a><b>&#160;·</b> <a href="/wiki/Template:Unit%C3%A0/man" title="Template:Unità/man"><span title="Manuale del template Unità">Manuale</span></a></td></tr></tbody></table> <p>Il <b>metro</b> (<a href="/wiki/Simbolo" title="Simbolo">simbolo</a>: <b>m</b><sup id="cite_ref-iupac_1-0" class="reference"><a href="#cite_note-iupac-1"><span class="cite-bracket">&#91;</span>1<span class="cite-bracket">&#93;</span></a></sup>, talvolta erroneamente indicato con <i>mt</i> o con <i>ml</i> come <i>metro lineare</i>) è l'<a href="/wiki/Unit%C3%A0_di_misura" title="Unità di misura">unità di misura</a> base della <a href="/wiki/Lunghezza" title="Lunghezza">lunghezza</a>, secondo il <a href="/wiki/Sistema_internazionale_di_unit%C3%A0_di_misura" title="Sistema internazionale di unità di misura">SI</a> (Sistema internazionale di unità di misura).<sup id="cite_ref-iupac_1-1" class="reference"><a href="#cite_note-iupac-1"><span class="cite-bracket">&#91;</span>1<span class="cite-bracket">&#93;</span></a></sup> </p><p>In origine l'<a href="/wiki/Assemblea_nazionale_costituente" title="Assemblea nazionale costituente">Assemblea nazionale</a> francese approvò il 26 marzo 1791 la proposta di una definizione teorica del metro come 1/10&#160;000&#160;000 dell'arco di <a href="/wiki/Meridiano" title="Meridiano">meridiano terrestre</a> compreso fra il <a href="/wiki/Polo_nord" title="Polo nord">polo nord</a> e l'<a href="/wiki/Equatore" title="Equatore">equatore</a> che passava per <a href="/wiki/Parigi" title="Parigi">Parigi</a> (il cosiddetto <a href="/wiki/Meridiano_di_Parigi" title="Meridiano di Parigi">meridiano di Parigi</a>). Studi successivi determinarono però che la lunghezza del quarto di meridiano terrestre era di 10&#160;001&#160;957 metri anziché i 10&#160;000&#160;000 previsti. Nel 1899 venne creato il primo campione standard in <a href="/wiki/Platino" title="Platino">platino</a> <a href="/wiki/Iridio" title="Iridio">iridio</a>.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">&#91;</span>2<span class="cite-bracket">&#93;</span></a></sup> </p><p>Col progredire della scienza si ebbero sviluppi successivi finché nel <a href="/wiki/1983" title="1983">1983</a>, durante la 17ª <i><a href="/wiki/Conf%C3%A9rence_g%C3%A9n%C3%A9rale_des_poids_et_mesures" title="Conférence générale des poids et mesures">Conférence générale des poids et mesures</a></i> (Conferenza generale di pesi e misure) a Parigi, il metro venne ridefinito come la distanza percorsa dalla luce nel vuoto in un intervallo di tempo pari a 1/299&#160;792&#160;458 di <a href="/wiki/Secondo" title="Secondo">secondo</a><sup id="cite_ref-iupac_1-2" class="reference"><a href="#cite_note-iupac-1"><span class="cite-bracket">&#91;</span>1<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">&#91;</span>3<span class="cite-bracket">&#93;</span></a></sup>, assumendo che la <a href="/wiki/Velocit%C3%A0_della_luce" title="Velocità della luce">velocità della luce</a> nel vuoto, per definizione, è pari a <i>c</i> = <span class="nowrap"><span data-sort-value="7008299792458000000♠"></span>299<span style="margin-left:.25em;">792</span><span style="margin-left:.25em;">458</span>&#160;<a href="/wiki/Metro_al_secondo" title="Metro al secondo">m/s</a></span>.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup> Questa definizione, e il valore della <a href="/wiki/Costante_fisica" title="Costante fisica">costante fisica</a>, sono stati confermati nel 2018 dalla 26ª CGPM.<sup id="cite_ref-26_CGPM_RES1_5-0" class="reference"><a href="#cite_note-26_CGPM_RES1-5"><span class="cite-bracket">&#91;</span>5<span class="cite-bracket">&#93;</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Storia">Storia</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Metro&amp;veaction=edit&amp;section=1" title="Modifica la sezione Storia" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Metro&amp;action=edit&amp;section=1" title="Edit section&#039;s source code: Storia"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Kilometre_definition.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/1/14/Kilometre_definition.svg/200px-Kilometre_definition.svg.png" decoding="async" width="200" height="201" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/14/Kilometre_definition.svg/300px-Kilometre_definition.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/14/Kilometre_definition.svg/400px-Kilometre_definition.svg.png 2x" data-file-width="596" data-file-height="599" /></a><figcaption>Distanza dal polo nord all'equatore passando da Parigi</figcaption></figure> <p>Il termine "metro" deriva dal greco “metron” che significa misura. Fu ripreso nel <a href="/wiki/1675" title="1675">1675</a> da <a href="/wiki/Tito_Livio_Burattini" title="Tito Livio Burattini">Tito Livio Burattini</a>, che propose una delle prime definizioni basate sulla <a href="/wiki/Lunghezza" title="Lunghezza">lunghezza</a> di un <a href="/wiki/Pendolo" title="Pendolo">pendolo</a> che batte il <a href="/wiki/Secondo" title="Secondo">secondo</a>. Il quarto di <a href="/wiki/Periodo_(fisica)" title="Periodo (fisica)">periodo</a> di un pendolo di un metro attuale è circa un <a href="/wiki/Secondo" title="Secondo">secondo</a>, e varia al variare della <a href="/wiki/Latitudine" title="Latitudine">latitudine</a> essendo influenzata prima di tutto dalla <a href="/wiki/Rotazione_terrestre" class="mw-redirect" title="Rotazione terrestre">rotazione terrestre</a>.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">&#91;</span>6<span class="cite-bracket">&#93;</span></a></sup> </p><p>La definizione originale del metro basata sulle dimensioni della <a href="/wiki/Terra" title="Terra">Terra</a> viene fatta risalire al <a href="/wiki/1791" title="1791">1791</a>, stabilita dall'<a href="/wiki/Accademia_francese_delle_scienze" title="Accademia francese delle scienze">Accademia francese delle scienze</a> come 1/10&#160;000&#160;000 della distanza tra <a href="/wiki/Polo_nord" title="Polo nord">polo nord</a> ed <a href="/wiki/Equatore" title="Equatore">equatore</a>, lungo la superficie terrestre, calcolata sul <a href="/wiki/Meridiano_di_Parigi" title="Meridiano di Parigi">meridiano di Parigi</a>. Il 7 aprile <a href="/wiki/1795" title="1795">1795</a> la <a href="/wiki/Francia" title="Francia">Francia</a> adottò il metro come unità di misura ufficiale, seguita da altri paesi europei. In Italia il metro venne per la prima volta introdotto da parte di <a href="/wiki/Napoleone_Bonaparte" title="Napoleone Bonaparte">Napoleone</a> durante la <a href="/wiki/Campagna_d%27Italia_(1796-1797)" title="Campagna d&#39;Italia (1796-1797)">campagna d'Italia</a> del <a href="/wiki/1796" title="1796">1796</a>. Da allora, nonostante svariate resistenze politiche, esacerbatesi durante il <a href="/wiki/Congresso_di_Vienna" title="Congresso di Vienna">Congresso di Vienna</a>, il metro non abbandonò più la penisola italiana, anche se venne adottato dagli Stati italiani in tempi e secondo percorsi diversi.<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">&#91;</span>7<span class="cite-bracket">&#93;</span></a></sup> </p><p>L'incertezza nella definizione del metro portò il <a href="/wiki/Bureau_international_des_poids_et_mesures" title="Bureau international des poids et mesures">Bureau international des poids et mesures</a> (BIPM) a ridefinire nel <a href="/wiki/1889" title="1889">1889</a> il metro come la distanza tra due linee incise su una barra <a href="/wiki/Campione_(metrologia)" title="Campione (metrologia)">campione</a> di <a href="/wiki/Platino" title="Platino">platino</a>-<a href="/wiki/Iridio" title="Iridio">iridio</a> conservata a <a href="/wiki/S%C3%A8vres" title="Sèvres">Sèvres</a> presso <a href="/wiki/Parigi" title="Parigi">Parigi</a>.<sup id="cite_ref-nota_8-0" class="reference"><a href="#cite_note-nota-8"><span class="cite-bracket">&#91;</span>8<span class="cite-bracket">&#93;</span></a></sup> </p> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Platinum-Iridium_meter_bar.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bb/Platinum-Iridium_meter_bar.jpg/260px-Platinum-Iridium_meter_bar.jpg" decoding="async" width="260" height="171" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bb/Platinum-Iridium_meter_bar.jpg/390px-Platinum-Iridium_meter_bar.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/bb/Platinum-Iridium_meter_bar.jpg/520px-Platinum-Iridium_meter_bar.jpg 2x" data-file-width="4232" data-file-height="2781" /></a><figcaption>La barra di platino-iridio utilizzata come campione del metro dal 1889 al 1960</figcaption></figure> <p>Nel <a href="/wiki/1960" title="1960">1960</a>, con la disponibilità dei <a href="/wiki/Laser" title="Laser">laser</a>, l'undicesima <a href="/wiki/Conf%C3%A9rence_g%C3%A9n%C3%A9rale_des_poids_et_mesures" title="Conférence générale des poids et mesures">Conferenza generale di pesi e misure</a> cambiò la definizione del metro in: la lunghezza pari a 1&#160;650&#160;763,73 lunghezze d'onda nel vuoto della radiazione corrispondente alla transizione fra i livelli 2p<sup>10</sup> e 5d<sup>5</sup> dell'atomo di <a href="/wiki/Kripton" title="Kripton">kripton-86</a>. </p><p>Nel <a href="/wiki/1983" title="1983">1983</a> la XVII Conferenza generale di pesi e misure definì il metro come la distanza percorsa dalla <a href="/wiki/Luce" title="Luce">luce</a> nel vuoto in 1/299&#160;792&#160;458 di <a href="/wiki/Secondo" title="Secondo">secondo</a> (ovvero la <a href="/wiki/Velocit%C3%A0_della_luce" title="Velocità della luce">velocità della luce</a> nel vuoto venne definita essere 299&#160;792&#160;458 metri al secondo). Poiché si ritiene che la velocità della luce nel vuoto sia la stessa ovunque, questa definizione è più universale della definizione basata sulla misurazione della circonferenza della <a href="/wiki/Terra" title="Terra">Terra</a> o della lunghezza di una specifica barra di lega metallica e il metro campione può essere riprodotto fedelmente in ogni laboratorio appositamente attrezzato. L'altro vantaggio è che può (in teoria) essere misurato con precisione superiore rispetto alla circonferenza terrestre o alla distanza tra due punti. </p><p>Sempre grazie agli esperimenti in laboratorio, dalla fine del <a href="/wiki/1997" title="1997">1997</a> è possibile raggiungere un ordine di accuratezza dell'ordine di 10<sup>−10</sup> m. Questo risultato è ottenibile sfruttando la relazione <i>λ</i> = <i>c</i>/<i>ν</i> (<i>λ</i> lunghezza d'onda, <i>c</i> velocità della luce, <i>ν</i> frequenza della radiazione) utilizzando oscillatori laser stabilizzati a frequenza conosciuta (imprecisione Δ<i>ν</i>/<i>ν</i> migliore di 10<sup>-10</sup>) la cui radiazione viene utilizzata in sistemi di misura interferometrici. </p> <div class="mw-heading mw-heading2"><h2 id="Multipli_e_sottomultipli">Multipli e sottomultipli</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Metro&amp;veaction=edit&amp;section=2" title="Modifica la sezione Multipli e sottomultipli" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Metro&amp;action=edit&amp;section=2" title="Edit section&#039;s source code: Multipli e sottomultipli"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r130657691">body:not(.skin-minerva) .mw-parser-output .vedi-anche{font-size:95%}</style><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r139142988"> <div class="hatnote noprint vedi-anche"> <div class="hatnote-content"><span class="noviewer hatnote-icon" typeof="mw:File"><span><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/87/Magnifying_glass_icon_mgx2.svg/18px-Magnifying_glass_icon_mgx2.svg.png" decoding="async" width="18" height="18" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/87/Magnifying_glass_icon_mgx2.svg/27px-Magnifying_glass_icon_mgx2.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/87/Magnifying_glass_icon_mgx2.svg/36px-Magnifying_glass_icon_mgx2.svg.png 2x" data-file-width="286" data-file-height="280" /></span></span> <span class="hatnote-text">Lo stesso argomento in dettaglio: <b><a href="/wiki/Ordini_di_grandezza_(lunghezza)" title="Ordini di grandezza (lunghezza)">Ordini di grandezza (lunghezza)</a></b>.</span></div> </div> <p>Utilizzando i <a href="/wiki/Prefissi_del_Sistema_internazionale_di_unit%C3%A0_di_misura" title="Prefissi del Sistema internazionale di unità di misura">prefissi SI</a> si ottengono i seguenti multipli e sottomultipli (in <i>corsivo</i> i multipli e sottomultipli non ricavati con uso di prefissi o non facenti parte del <a href="/wiki/Sistema_internazionale_di_unit%C3%A0_di_misura" title="Sistema internazionale di unità di misura">Sistema internazionale di unità di misura</a>): </p> <table class="wikitable"> <tbody><tr> <th>Denominazione </th> <th>Simbolo </th> <th colspan="3">Corrispondenza </th> <th>Esempio </th></tr> <tr> <td>yottametro </td> <td>Ym </td> <td>10<sup>24</sup>&#160;m </td> <td>1&#160;000&#160;000&#160;000&#160;000&#160;000&#160;000&#160;000&#160;000&#160;m </td> <td>1&#160;000&#160;000&#160;000&#160;000&#160;000&#160;000&#160;000&#160;000/1&#160;m </td> <td>Distanze <a href="/wiki/Galassia" title="Galassia">intergalattiche</a> </td></tr> <tr> <td>zettametro </td> <td>Zm </td> <td>10<sup>21</sup>&#160;m </td> <td>1&#160;000&#160;000&#160;000&#160;000&#160;000&#160;000&#160;000&#160;m </td> <td>1&#160;000&#160;000&#160;000&#160;000&#160;000&#160;000&#160;000/1&#160;m </td> <td>Grandezza di una <a href="/wiki/Galassia" title="Galassia">galassia</a> </td></tr> <tr> <td>exametro </td> <td>Em </td> <td>10<sup>18</sup>&#160;m </td> <td>1&#160;000&#160;000&#160;000&#160;000&#160;000&#160;000&#160;m </td> <td>1&#160;000&#160;000&#160;000&#160;000&#160;000&#160;000/1&#160;m </td> <td>Distanze interstellari </td></tr> <tr> <td>petametro </td> <td>Pm </td> <td>10<sup>15</sup>&#160;m </td> <td>1&#160;000&#160;000&#160;000&#160;000&#160;000&#160;m </td> <td>1&#160;000&#160;000&#160;000&#160;000&#160;000/1&#160;m </td> <td>Ordine di grandezza dell'anno luce. </td></tr> <tr> <td><a href="/wiki/Terametro" title="Terametro">terametro</a> </td> <td>Tm </td> <td>10<sup>12</sup>&#160;m </td> <td>1&#160;000&#160;000&#160;000&#160;000&#160;m </td> <td>1&#160;000&#160;000&#160;000&#160;000/1&#160;m </td> <td>Circa la distanza tra il Sole e <a href="/wiki/Saturno_(astronomia)" title="Saturno (astronomia)">Saturno</a> </td></tr> <tr> <td><a href="/wiki/Gigametro" title="Gigametro">gigametro</a> </td> <td>Gm </td> <td>10<sup>9</sup>&#160;m </td> <td>1&#160;000&#160;000&#160;000&#160;m </td> <td>1&#160;000&#160;000&#160;000/1&#160;m </td> <td>Circa tre volte la distanza tra la Terra e la <a href="/wiki/Luna" title="Luna">Luna</a> </td></tr> <tr> <td><a href="/wiki/Megametro" title="Megametro">megametro</a> </td> <td>Mm </td> <td>10<sup>6</sup>&#160;m </td> <td>1&#160;000&#160;000&#160;m </td> <td>1&#160;000&#160;000/1&#160;m </td> <td>Percorso da Milano a Brindisi </td></tr> <tr> <td><i><a href="/wiki/Miriametro" title="Miriametro">miriametro</a> (in disuso, non fa parte del <a href="/wiki/Sistema_internazionale_di_unit%C3%A0_di_misura" title="Sistema internazionale di unità di misura">SI</a>)</i> </td> <td><i>mam</i> </td> <td>10<sup>4</sup>&#160;m </td> <td>10 000&#160;m </td> <td>10 000/1&#160;m </td> <td>Diametro di una grande città </td></tr> <tr> <td><a href="/wiki/Chilometro" title="Chilometro">chilometro</a> (o kilometro) </td> <td>km </td> <td>10<sup>3</sup>&#160;m </td> <td>1&#160;000&#160;m </td> <td>1000/1&#160;m </td> <td>Grandezza di un paese </td></tr> <tr> <td>ettometro </td> <td>hm </td> <td>10<sup>2</sup>&#160;m </td> <td>100&#160;m </td> <td>100/1&#160;m </td> <td>Circa la lunghezza di un <a href="/wiki/Campo_da_calcio" title="Campo da calcio">campo da calcio</a> </td></tr> <tr> <td>decametro </td> <td>dam </td> <td>10<sup>1</sup>&#160;m </td> <td>10&#160;m </td> <td>10/1&#160;m </td> <td>Grandezza di una casa </td></tr> <tr> <td>metro </td> <td>m </td> <td>10<sup>0</sup>&#160;m </td> <td>1&#160;m </td> <td>1/1&#160;m </td> <td>Altezza approssimativa da terra dell'ombelico di una persona di altezza media in posizione eretta </td></tr> <tr> <td>decimetro </td> <td>dm </td> <td>10<sup>−1</sup>&#160;m </td> <td>0,1&#160;m </td> <td>1/10&#160;m </td> <td>Grandezza del palmo di una mano </td></tr> <tr> <td>centimetro </td> <td>cm </td> <td>10<sup>−2</sup>&#160;m </td> <td>0,01&#160;m </td> <td>1/100&#160;m </td> <td>Spessore di un dito </td></tr> <tr> <td>millimetro </td> <td>mm </td> <td>10<sup>−3</sup>&#160;m </td> <td>0,001&#160;m </td> <td>1/1&#160;000&#160;m </td> <td>Spessore di una unghia </td></tr> <tr> <td><a href="/wiki/Micrometro_(unit%C3%A0_di_misura)" title="Micrometro (unità di misura)">micrometro</a> (o micron) </td> <td>μm </td> <td>10<sup>−6</sup>&#160;m </td> <td>0,000001&#160;m </td> <td>1/1&#160;000&#160;000&#160;m </td> <td>Diametro di un <a href="/wiki/Microrganismo" title="Microrganismo">microrganismo</a> </td></tr> <tr> <td><a href="/wiki/Nanometro" title="Nanometro">nanometro</a> </td> <td>nm </td> <td>10<sup>−9</sup>&#160;m </td> <td>0,000000001&#160;m </td> <td>1/1&#160;000&#160;000&#160;000&#160;m </td> <td>Grandezza degli elementi dei <a href="/wiki/Microprocessore" title="Microprocessore">microprocessori</a> </td></tr> <tr> <td><i><a href="/wiki/%C3%85ngstr%C3%B6m" title="Ångström">ångström</a> (non fa parte del <a href="/wiki/Sistema_internazionale_di_unit%C3%A0_di_misura" title="Sistema internazionale di unità di misura">SI</a>)</i> </td> <td>Å </td> <td>10<sup>−10</sup>&#160;m </td> <td>0,0000000001&#160;m </td> <td>1/10 000&#160;000&#160;000&#160;m </td> <td><a href="/wiki/Diametro" title="Diametro">Diametro</a> di un atomo di <a href="/wiki/Ossigeno" title="Ossigeno">ossigeno</a> </td></tr> <tr> <td>picometro </td> <td>pm </td> <td>10<sup>−12</sup>&#160;m </td> <td>0,000000000001&#160;m </td> <td>1/1&#160;000&#160;000&#160;000&#160;000&#160;m </td> <td>Lunghezza d'onda dei raggi gamma </td></tr> <tr> <td><a href="/wiki/Femtometro" title="Femtometro">femtometro</a> (o fermi) </td> <td>fm </td> <td>10<sup>−15</sup>&#160;m </td> <td>0,000000000000001&#160;m </td> <td>1/1&#160;000&#160;000&#160;000&#160;000&#160;000&#160;m </td> <td>Raggio del <a href="/wiki/Protone" title="Protone">protone</a> o <a href="/wiki/Neutrone" title="Neutrone">neutrone</a> </td></tr> <tr> <td>attometro </td> <td>am </td> <td>10<sup>−18</sup>&#160;m </td> <td>0,000000000000000001&#160;m </td> <td>1/1&#160;000&#160;000&#160;000&#160;000&#160;000&#160;000&#160;m </td> <td>Grandezza del <a href="/wiki/Quark_(particella)" title="Quark (particella)">quark</a> </td></tr> <tr> <td>zeptometro </td> <td>zm </td> <td>10<sup>−21</sup>&#160;m </td> <td>0,000000000000000000001&#160;m </td> <td>1/1&#160;000&#160;000&#160;000&#160;000&#160;000&#160;000&#160;000&#160;m </td> <td> </td></tr> <tr> <td>yoctometro </td> <td>ym </td> <td>10<sup>−24</sup>&#160;m </td> <td>0,000000000000000000000001&#160;m </td> <td><span class="nowrap">1/1&#160;000&#160;000&#160;000&#160;000&#160;000&#160;000&#160;000&#160;000&#160;m</span> </td> <td>Grandezza del <a href="/wiki/Neutrino" title="Neutrino">neutrino</a> </td></tr></tbody></table> <p><span class="mw-default-size" typeof="mw:File"><a href="/wiki/File:ReglaMedida.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/1/1d/ReglaMedida.svg/600px-ReglaMedida.svg.png" decoding="async" width="600" height="200" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/1d/ReglaMedida.svg/900px-ReglaMedida.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/1d/ReglaMedida.svg/1200px-ReglaMedida.svg.png 2x" data-file-width="600" data-file-height="200" /></a></span> </p><p>Il <b>picometro</b> è comunemente usato nella misura di distanze su scala <a href="/wiki/Atomo" title="Atomo">atomica</a>; il diametro di un atomo è compreso circa tra 30 e 600&#160;pm. È uguale a un milionesimo di <a href="/wiki/Micrometro_(unit%C3%A0_di_misura)" title="Micrometro (unità di misura)">micron</a> ed era chiamato micromicron, stigma o bicron. Una volta era utilizzato il simbolo µµ. </p><p>Lo <b>yottametro</b> potrebbe essere utilizzato per misurare distanze <a href="/wiki/Galassia" title="Galassia">intergalattiche</a>, ma gli astronomi sono da tempo abituati a utilizzare <a href="/wiki/Anno_luce" title="Anno luce">anni luce</a> e <a href="/wiki/Parsec" title="Parsec">parsec</a> e continuano a preferirli. </p> <div class="mw-heading mw-heading2"><h2 id="Note">Note</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Metro&amp;veaction=edit&amp;section=3" title="Modifica la sezione Note" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Metro&amp;action=edit&amp;section=3" title="Edit section&#039;s source code: Note"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-iupac-1"><span class="mw-cite-backlink"><b>^</b> <sup><i><a href="#cite_ref-iupac_1-0">a</a></i></sup> <sup><i><a href="#cite_ref-iupac_1-1">b</a></i></sup> <sup><i><a href="#cite_ref-iupac_1-2">c</a></i></sup></span> <span class="reference-text"><cite class="citation web" style="font-style:normal">(<span style="font-weight:bolder; font-size:80%"><abbr title="inglese">EN</abbr></span>) <a rel="nofollow" class="external text" href="http://goldbook.iupac.org/M03884.html"><span style="font-style:italic;">IUPAC Gold Book, "metre"</span></a>, su <span style="font-style:italic;">goldbook.iupac.org</span>.</cite></span> </li> <li id="cite_note-2"><a href="#cite_ref-2"><b>^</b></a> <span class="reference-text"><cite class="citation libro" style="font-style:normal"> Anand K.Bewoor, <a rel="nofollow" class="external text" href="https://books.google.it/books?id=iwcMo9neBRMC&amp;pg=PA15"><span style="font-style:italic;">Metrology &amp; Measurement</span></a>, Tata McGraw-Hill Education, 2009, pp.&#160;15, <a href="/wiki/ISBN" title="ISBN">ISBN</a>&#160;<a href="/wiki/Speciale:RicercaISBN/978-0-07-014000-4" title="Speciale:RicercaISBN/978-0-07-014000-4">978-0-07-014000-4</a>.</cite></span> </li> <li id="cite_note-3"><a href="#cite_ref-3"><b>^</b></a> <span class="reference-text"><cite class="citation web" style="font-style:normal"> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20120119025057/http://www.torinoscienza.it/dossier/il_meridiano_terrestre_come_metro_di_paragone_2_2838"><span style="font-style:italic;">Il meridiano e la misura della Terra</span></a>, su <span style="font-style:italic;">torinoscienza.it</span>. <small>URL consultato il 17 ottobre 2010</small> <small>(archiviato dall'<abbr title="http&#58;//www.torinoscienza.it/dossier/il_meridiano_terrestre_come_metro_di_paragone_2_2838">url originale</abbr> il 19 gennaio 2012)</small>.</cite></span> </li> <li id="cite_note-4"><a href="#cite_ref-4"><b>^</b></a> <span class="reference-text"><cite class="citation web" style="font-style:normal"> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20181118132825/www.docente.unicas.it/useruploads/001133/files/14._le_misure_di_temperatura.pdf"><span style="font-style:italic;">Lezioni del Corso di Fondamenti di Metrologia Meccanica</span></a> (<span style="font-weight: bolder; font-size:80%"><abbr title="documento in formato PDF">PDF</abbr></span>), su <span style="font-style:italic;">docente.unicas.it</span>. <small>URL consultato il 9 settembre 2013</small> <small>(archiviato dall'<abbr title="http&#58;//www.docente.unicas.it/useruploads/001133/files/14._le_misure_di_temperatura.pdf">url originale</abbr> il 18 novembre 2018)</small>.</cite></span> </li> <li id="cite_note-26_CGPM_RES1-5"><a href="#cite_ref-26_CGPM_RES1_5-0"><b>^</b></a> <span class="reference-text"><cite class="citation web" style="font-style:normal">(<span style="font-weight:bolder; font-size:80%"><abbr title="inglese">EN</abbr></span>) <a rel="nofollow" class="external text" href="https://web.archive.org/web/20210204120336/https://www.bipm.org/en/CGPM/db/26/1/"><span style="font-style:italic;">BIPM - Resolution 1 of the 26th CGPM</span></a>, su <span style="font-style:italic;">bipm.org</span>. <small>URL consultato il 22 marzo 2019</small> <small>(archiviato dall'<abbr title="https&#58;//www.bipm.org/en/CGPM/db/26/1/">url originale</abbr> il 4 febbraio 2021)</small>.</cite></span> </li> <li id="cite_note-6"><a href="#cite_ref-6"><b>^</b></a> <span class="reference-text"><cite class="citation web" style="font-style:normal"> <a rel="nofollow" class="external text" href="http://www.roma1.infn.it/~dagos/history/sm_sunto.html"><span style="font-style:italic;">Perché il metro batte il secondo?</span></a>, su <span style="font-style:italic;">roma1.infn.it</span>. <small>URL consultato il 22 ottobre 2010</small>.</cite></span> </li> <li id="cite_note-7"><a href="#cite_ref-7"><b>^</b></a> <span class="reference-text"><cite class="citation libro" style="font-style:normal"> Emanuele Lugli, <span style="font-style:italic;">Unità di misura. Breve storia del metro in Italia</span>, Bologna, Il Mulino, 2014.</cite></span> </li> <li id="cite_note-nota-8"><a href="#cite_ref-nota_8-0"><b>^</b></a> <span class="reference-text">Una copia di tale campione, in Italia, è conservato presso l'<a href="/wiki/Istituto_nazionale_di_ricerca_metrologica" title="Istituto nazionale di ricerca metrologica">Istituto nazionale di ricerca metrologica</a> di <a href="/wiki/Torino" title="Torino">Torino</a>, nato dall'unione dell'ex Istituto metrologico <a href="/wiki/Gustavo_Colonnetti" title="Gustavo Colonnetti">Gustavo Colonnetti</a> (IMGC-CNR) e dell'ex <a href="/wiki/Istituto_elettrotecnico_nazionale_Galileo_Ferraris" title="Istituto elettrotecnico nazionale Galileo Ferraris">Istituto elettrotecnico nazionale Galileo Ferraris</a> (IEN).</span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Bibliografia">Bibliografia</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Metro&amp;veaction=edit&amp;section=4" title="Modifica la sezione Bibliografia" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Metro&amp;action=edit&amp;section=4" title="Edit section&#039;s source code: Bibliografia"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><cite class="citation libro" style="font-style:normal"> Ken Adler, <span style="font-style:italic;">La misura di tutte le cose. L'avventurosa storia dell'invenzione del sistema metrico decimale</span>, Rizzoli, 2002, <a href="/wiki/ISBN" title="ISBN">ISBN</a>&#160;<a href="/wiki/Speciale:RicercaISBN/9788817870672" title="Speciale:RicercaISBN/9788817870672">9788817870672</a>.</cite> Storia della misurazione dell'arco di meridiano tra Dunkerque e Barcellona di <a href="/wiki/Jean-Baptiste_Delambre" title="Jean-Baptiste Delambre">Jean-Baptiste Delambre</a> e <a href="/wiki/Pierre_M%C3%A9chain" title="Pierre Méchain">Pierre Méchain</a>.</li> <li><cite class="citation libro" style="font-style:normal"> Emanuele Lugli, <span style="font-style:italic;">Unità di misura: breve storia del metro in Italia</span>, Il Mulino, 2014, <a href="/wiki/ISBN" title="ISBN">ISBN</a>&#160;<a href="/wiki/Speciale:RicercaISBN/9788815252739" title="Speciale:RicercaISBN/9788815252739">9788815252739</a>.</cite></li></ul> <div class="mw-heading mw-heading2"><h2 id="Voci_correlate">Voci correlate</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Metro&amp;veaction=edit&amp;section=5" title="Modifica la sezione Voci correlate" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Metro&amp;action=edit&amp;section=5" title="Edit section&#039;s source code: Voci correlate"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Sistema_internazionale_di_unit%C3%A0_di_misura" title="Sistema internazionale di unità di misura">Sistema internazionale di unità di misura</a></li> <li><a href="/wiki/Ordini_di_grandezza_(lunghezza)" title="Ordini di grandezza (lunghezza)">Ordini di grandezza (lunghezza)</a></li> <li><a href="/wiki/Metro_quadrato" title="Metro quadrato">Metro quadrato</a></li> <li><a href="/wiki/Conversione_delle_unit%C3%A0_di_misura" title="Conversione delle unità di misura">Conversione delle unità di misura</a></li> <li><a href="/wiki/Metro_(strumento)" title="Metro (strumento)">Metro (strumento)</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Altri_progetti">Altri progetti</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Metro&amp;veaction=edit&amp;section=6" title="Modifica la sezione Altri progetti" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Metro&amp;action=edit&amp;section=6" title="Edit section&#039;s source code: Altri progetti"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <div id="interProject" class="toccolours" style="display: none; clear: both; margin-top: 2em"><p id="sisterProjects" style="background-color: #efefef; color: black; font-weight: bold; margin: 0"><span>Altri progetti</span></p><ul title="Collegamenti verso gli altri progetti Wikimedia"> <li class="" title=""><a href="https://it.wiktionary.org/wiki/metro" class="extiw" title="wikt:metro">Wikizionario</a></li> <li class="" title=""><span class="plainlinks" title="commons:Category:Metre"><a class="external text" href="https://commons.wikimedia.org/wiki/Category:Metre?uselang=it">Wikimedia Commons</a></span></li></ul></div> <ul><li><span typeof="mw:File"><a href="https://it.wiktionary.org/wiki/" title="Collabora a Wikizionario"><img alt="Collabora a Wikizionario" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f9/Wiktionary_small.svg/18px-Wiktionary_small.svg.png" decoding="async" width="18" height="18" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f9/Wiktionary_small.svg/27px-Wiktionary_small.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f9/Wiktionary_small.svg/36px-Wiktionary_small.svg.png 2x" data-file-width="350" data-file-height="350" /></a></span> <a href="https://it.wiktionary.org/wiki/" class="extiw" title="wikt:">Wikizionario</a> contiene il lemma di dizionario «<b><a href="https://it.wiktionary.org/wiki/metro" class="extiw" title="wikt:metro">metro</a></b>»</li> <li><span typeof="mw:File"><a href="https://commons.wikimedia.org/wiki/?uselang=it" title="Collabora a Wikimedia Commons"><img alt="Collabora a Wikimedia Commons" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/18px-Commons-logo.svg.png" decoding="async" width="18" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/27px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/36px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></a></span> <span class="plainlinks"><a class="external text" href="https://commons.wikimedia.org/wiki/?uselang=it">Wikimedia Commons</a></span> contiene immagini o altri file sul <b><span class="plainlinks"><a class="external text" href="https://commons.wikimedia.org/wiki/Category:Metre?uselang=it">metro</a></span></b></li></ul> <div class="mw-heading mw-heading2"><h2 id="Collegamenti_esterni">Collegamenti esterni</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Metro&amp;veaction=edit&amp;section=7" title="Modifica la sezione Collegamenti esterni" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Metro&amp;action=edit&amp;section=7" title="Edit section&#039;s source code: Collegamenti esterni"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li class="mw-empty-elt"></li> <li><cite id="CITEREFTreccani.it" class="citation web" style="font-style:normal"> <a rel="nofollow" class="external text" href="https://www.treccani.it/enciclopedia/metro"><span style="font-style:italic;">metro</span></a>, su <span style="font-style:italic;">Treccani.it – Enciclopedie on line</span>, <a href="/wiki/Istituto_dell%27Enciclopedia_Italiana" title="Istituto dell&#39;Enciclopedia Italiana">Istituto dell'Enciclopedia Italiana</a>.</cite> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q11573#P3365" title="Modifica su Wikidata"><img alt="Modifica su Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/10px-Blue_pencil.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/15px-Blue_pencil.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/20px-Blue_pencil.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></li> <li><cite id="CITEREFBritannica.com" class="citation web" style="font-style:normal">(<span style="font-weight:bolder; font-size:80%"><abbr title="inglese">EN</abbr></span>) <a rel="nofollow" class="external text" href="https://www.britannica.com/science/metre-measurement"><span style="font-style:italic;">metre</span></a>, su <span style="font-style:italic;"><a href="/wiki/Enciclopedia_Britannica" title="Enciclopedia Britannica">Enciclopedia Britannica</a></span>, Encyclopædia Britannica, Inc.</cite> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q11573#P1417" title="Modifica su Wikidata"><img alt="Modifica su Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/10px-Blue_pencil.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/15px-Blue_pencil.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/20px-Blue_pencil.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></li></ul> <style data-mw-deduplicate="TemplateStyles:r141815314">.mw-parser-output .navbox{border:1px solid #aaa;clear:both;margin:auto;padding:2px;width:100%}.mw-parser-output .navbox th{padding-left:1em;padding-right:1em;text-align:center}.mw-parser-output .navbox>tbody>tr:first-child>th{background:#ccf;font-size:90%;width:100%;color:var(--color-base,black)}.mw-parser-output .navbox_navbar{float:left;margin:0;padding:0 10px 0 0;text-align:left;width:6em}.mw-parser-output .navbox_title{font-size:110%}.mw-parser-output .navbox_abovebelow{background:#ddf;font-size:90%;font-weight:normal}.mw-parser-output .navbox_group{background:#ddf;font-size:90%;padding:0 10px;white-space:nowrap}.mw-parser-output .navbox_list{font-size:90%;width:100%}.mw-parser-output .navbox_list a{white-space:nowrap}html:not(.vector-feature-night-mode-enabled) .mw-parser-output .navbox_odd{background:#fdfdfd;color:var(--color-base,black)}html:not(.vector-feature-night-mode-enabled) .mw-parser-output .navbox_even{background:#f7f7f7;color:var(--color-base,black)}.mw-parser-output .navbox a.mw-selflink{color:var(--color-base,black)}.mw-parser-output .navbox_center{text-align:center}.mw-parser-output .navbox .navbox_image{padding-left:7px;vertical-align:middle;width:0}.mw-parser-output .navbox+.navbox{margin-top:-1px}.mw-parser-output .navbox .mw-collapsible-toggle{font-weight:normal;text-align:right;width:7em}body.skin--responsive .mw-parser-output .navbox_image img{max-width:none!important}.mw-parser-output .subnavbox{margin:-3px;width:100%}.mw-parser-output .subnavbox_group{background:#e6e6ff;padding:0 10px}@media screen{html.skin-theme-clientpref-night .mw-parser-output .navbox>tbody>tr:first-child>th{background:var(--background-color-interactive)!important}html.skin-theme-clientpref-night .mw-parser-output .navbox th{color:var(--color-base)!important}html.skin-theme-clientpref-night .mw-parser-output .navbox_abovebelow,html.skin-theme-clientpref-night .mw-parser-output .navbox_group{background:var(--background-color-interactive-subtle)!important}html.skin-theme-clientpref-night .mw-parser-output .subnavbox_group{background:var(--background-color-neutral-subtle)!important}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbox>tbody>tr:first-child>th{background:var(--background-color-interactive)!important}html.skin-theme-clientpref-os .mw-parser-output .navbox th{color:var(--color-base)!important}html.skin-theme-clientpref-os .mw-parser-output .navbox_abovebelow,html.skin-theme-clientpref-os .mw-parser-output .navbox_group{background:var(--background-color-interactive-subtle)!important}html.skin-theme-clientpref-os .mw-parser-output .subnavbox_group{background:var(--background-color-neutral-subtle)!important}}</style><table class="navbox mw-collapsible mw-collapsed noprint metadata" id="navbox-Unità_di_misura"><tbody><tr><th colspan="2"><div class="navbox_navbar"><div class="noprint plainlinks" style="background-color:transparent; padding:0; font-size:xx-small; color:var(--color-base, #000000); white-space:nowrap;"><a href="/wiki/Template:Unit%C3%A0_di_misura" title="Template:Unità di misura"><span title="Vai alla pagina del template">V</span></a>&#160;·&#160;<a href="/wiki/Discussioni_template:Unit%C3%A0_di_misura" title="Discussioni template:Unità di misura"><span title="Discuti del template">D</span></a>&#160;·&#160;<a class="external text" href="https://it.wikipedia.org/w/index.php?title=Template:Unit%C3%A0_di_misura&amp;action=edit"><span title="Modifica il template. Usa l&#39;anteprima prima di salvare">M</span></a></div></div><span class="navbox_title"><a href="/wiki/Unit%C3%A0_di_misura" title="Unità di misura">Unità di misura</a></span></th></tr><tr><th colspan="2" class="navbox_abovebelow"><a href="/wiki/Sistemi_di_misurazione" title="Sistemi di misurazione">Sistemi di misurazione</a><b>&#160;·</b> <a href="/wiki/Conversione_delle_unit%C3%A0_di_misura" title="Conversione delle unità di misura">Conversione delle unità di misura</a><b>&#160;·</b> <a href="/wiki/Sistema_consuetudinario_statunitense" title="Sistema consuetudinario statunitense">Sistema consuetudinario statunitense</a><b>&#160;·</b> <a href="/wiki/Sistema_imperiale_britannico" title="Sistema imperiale britannico">Sistema imperiale britannico</a><b>&#160;·</b> <a href="/wiki/Antiche_unit%C3%A0_di_misura_italiane" title="Antiche unità di misura italiane">Antiche unità di misura italiane</a><b>&#160;·</b> <a href="/wiki/Unit%C3%A0_di_misura_giapponesi" title="Unità di misura giapponesi">Unità di misura giapponesi</a></th></tr><tr><th colspan="1" class="navbox_group" style="text-align:center; width:22%;"><a href="/wiki/Sistema_internazionale_di_unit%C3%A0_di_misura" title="Sistema internazionale di unità di misura">Sistema internazionale</a></th><td colspan="1" class="navbox_list navbox_odd"><table class="subnavbox"><tbody><tr><th class="subnavbox_group" style="text-align:center; width:22%;"><a href="/wiki/Unit%C3%A0_fondamentali_del_sistema_internazionale" title="Unità fondamentali del sistema internazionale">Unità di base</a></th><td colspan="1"><a href="/wiki/Secondo" title="Secondo">secondo</a><b>&#160;·</b> <a class="mw-selflink selflink">metro</a><b>&#160;·</b> <a href="/wiki/Chilogrammo" title="Chilogrammo">chilogrammo</a><b>&#160;·</b> <a href="/wiki/Ampere" title="Ampere">ampere</a><b>&#160;·</b> <a href="/wiki/Kelvin" title="Kelvin">kelvin</a><b>&#160;·</b> <a href="/wiki/Mole" title="Mole">mole</a><b>&#160;·</b> <a href="/wiki/Candela_(unit%C3%A0_di_misura)" title="Candela (unità di misura)">candela</a></td></tr><tr><th class="subnavbox_group" style="text-align:center; width:22%;">Unità derivate</th><td colspan="1"><a href="/wiki/Hertz" title="Hertz">hertz</a><b>&#160;·</b> <a href="/wiki/Newton_(unit%C3%A0_di_misura)" title="Newton (unità di misura)">newton</a><b>&#160;·</b> <a href="/wiki/Pascal_(unit%C3%A0_di_misura)" title="Pascal (unità di misura)">pascal</a><b>&#160;·</b> <a href="/wiki/Joule" title="Joule">joule</a><b>&#160;·</b> <a href="/wiki/Watt" title="Watt">watt</a><b>&#160;·</b> <a href="/wiki/Coulomb" title="Coulomb">coulomb</a><b>&#160;·</b> <a href="/wiki/Volt" title="Volt">volt</a><b>&#160;·</b> <a href="/wiki/Ohm" title="Ohm">ohm</a><b>&#160;·</b> <a href="/wiki/Siemens_(unit%C3%A0_di_misura)" title="Siemens (unità di misura)">siemens</a><b>&#160;·</b> <a href="/wiki/Farad" title="Farad">farad</a><b>&#160;·</b> <a href="/wiki/Tesla_(unit%C3%A0_di_misura)" title="Tesla (unità di misura)">tesla</a><b>&#160;·</b> <a href="/wiki/Weber_(unit%C3%A0_di_misura)" title="Weber (unità di misura)">weber</a><b>&#160;·</b> <a href="/wiki/Henry_(unit%C3%A0_di_misura)" title="Henry (unità di misura)">henry</a><b>&#160;·</b> <a href="/wiki/Grado_Celsius" title="Grado Celsius">grado Celsius</a><b>&#160;·</b> <a href="/wiki/Radiante" title="Radiante">radiante</a><b>&#160;·</b> <a href="/wiki/Steradiante" title="Steradiante">steradiante</a><b>&#160;·</b> <a href="/wiki/Lumen" title="Lumen">lumen</a><b>&#160;·</b> <a href="/wiki/Lux" title="Lux">lux</a><b>&#160;·</b> <a href="/wiki/Becquerel" title="Becquerel">becquerel</a><b>&#160;·</b> <a href="/wiki/Gray_(unit%C3%A0_di_misura)" title="Gray (unità di misura)">gray</a><b>&#160;·</b> <a href="/wiki/Sievert" title="Sievert">sievert</a><b>&#160;·</b> <a href="/wiki/Katal" title="Katal">katal</a></td></tr></tbody></table></td></tr><tr><th colspan="1" class="navbox_group" style="text-align:center; width:22%;"><a href="/wiki/Sistema_CGS" title="Sistema CGS">Sistema CGS</a></th><td colspan="1" class="navbox_list navbox_even"><table class="subnavbox"><tbody><tr><th class="subnavbox_group" style="text-align:center; width:22%;">Unità di base</th><td colspan="1"><a class="mw-selflink selflink">centimetro</a><b>&#160;·</b> <a href="/wiki/Grammo" title="Grammo">grammo</a><b>&#160;·</b> <a href="/wiki/Secondo" title="Secondo">secondo</a></td></tr><tr><th class="subnavbox_group" style="text-align:center; width:22%;">Unità derivate</th><td colspan="1"><a href="/wiki/Dyne" title="Dyne">dyne</a><b>&#160;·</b> <a href="/wiki/Erg" title="Erg">erg</a><b>&#160;·</b> <a href="/wiki/Baria" title="Baria">baria</a><b>&#160;·</b> <a href="/wiki/Poise" title="Poise">poise</a><b>&#160;·</b> <a href="/wiki/Statcoulomb" title="Statcoulomb">statcoulomb</a><b>&#160;·</b> <a href="/wiki/Statvolt" title="Statvolt">statvolt</a><b>&#160;·</b> <a href="/wiki/Oersted_(unit%C3%A0_di_misura)" title="Oersted (unità di misura)">oersted</a><b>&#160;·</b> <a href="/wiki/Gauss_(unit%C3%A0_di_misura)" title="Gauss (unità di misura)">gauss</a><b>&#160;·</b> <a href="/wiki/Maxwell_(unit%C3%A0_di_misura)" title="Maxwell (unità di misura)">maxwell</a><b>&#160;·</b> <a href="/wiki/Rayl" title="Rayl">rayl</a><b>&#160;·</b> <a href="/wiki/Gal" title="Gal">gal</a></td></tr></tbody></table></td></tr><tr><th colspan="1" class="navbox_group" style="text-align:center; width:22%;"><a href="/wiki/Sistema_pratico_degli_ingegneri" title="Sistema pratico degli ingegneri">Sistema Tecnico - MFS</a></th><td colspan="1" class="navbox_list navbox_odd"><table class="subnavbox"><tbody><tr><th class="subnavbox_group" style="text-align:center; width:22%;">Unità di base</th><td colspan="1"><a class="mw-selflink selflink">metro</a><b>&#160;·</b> <a href="/wiki/Chilogrammo_forza" title="Chilogrammo forza">chilogrammo forza</a><b>&#160;·</b> <a href="/wiki/Secondo" title="Secondo">secondo</a></td></tr><tr><th class="subnavbox_group" style="text-align:center; width:22%;">Unità derivate</th><td colspan="1"><a href="/wiki/Unit%C3%A0_tecnica_di_massa" title="Unità tecnica di massa">unità tecnica di massa</a></td></tr></tbody></table></td></tr><tr><th colspan="1" class="navbox_group" style="text-align:center; width:22%;"><a href="/wiki/Sistema_MTS" title="Sistema MTS">Sistema MTS</a></th><td colspan="1" class="navbox_list navbox_even"><table class="subnavbox"><tbody><tr><th class="subnavbox_group" style="text-align:center; width:22%;">Unità di base</th><td colspan="1"><a class="mw-selflink selflink">metro</a><b>&#160;·</b> <a href="/wiki/Tonnellata" title="Tonnellata">tonnellata</a><b>&#160;·</b> <a href="/wiki/Secondo" title="Secondo">secondo</a></td></tr><tr><th class="subnavbox_group" style="text-align:center; width:22%;">Unità derivate</th><td colspan="1"><a href="/wiki/Sth%C3%A8ne" title="Sthène">sthène</a><b>&#160;·</b> <a href="/wiki/Joule" title="Joule">chilojoule</a><b>&#160;·</b> <a href="/wiki/Watt" title="Watt">chilowatt</a><b>&#160;·</b> <a href="/wiki/Pi%C3%A8ze" title="Pièze">pièze</a></td></tr></tbody></table></td></tr><tr><th colspan="1" class="navbox_group" style="text-align:center; width:22%;"><a href="/wiki/Unit%C3%A0_atomiche" title="Unità atomiche">Unità atomiche</a></th><td colspan="1" class="navbox_list navbox_odd"><table class="subnavbox"><tbody><tr><th class="subnavbox_group" style="text-align:center; width:22%;">Unità di base</th><td colspan="1"><a href="/wiki/Raggio_di_Bohr" title="Raggio di Bohr">raggio di Bohr</a><b>&#160;·</b> <a href="/wiki/Massa_a_riposo_dell%27elettrone" title="Massa a riposo dell&#39;elettrone">massa a riposo dell'elettrone</a><b>&#160;·</b> <a href="/wiki/Carica_elementare" title="Carica elementare">carica elementare</a><b>&#160;·</b> <a href="/wiki/Costante_di_Planck#Valore" title="Costante di Planck">costante di Dirac</a><b>&#160;·</b> <a href="/wiki/Energia_di_Hartree" title="Energia di Hartree">energia di Hartree</a></td></tr></tbody></table></td></tr><tr><th colspan="1" class="navbox_group" style="text-align:center; width:22%;"><a href="/wiki/Unit%C3%A0_di_misura_di_Planck" title="Unità di misura di Planck">Unità di misura di Planck</a></th><td colspan="1" class="navbox_list navbox_even"><table class="subnavbox"><tbody><tr><th class="subnavbox_group" style="text-align:center; width:22%;">Unità di base</th><td colspan="1"><a href="/wiki/Tempo_di_Planck" title="Tempo di Planck">tempo di Planck</a><b>&#160;·</b> <a href="/wiki/Lunghezza_di_Planck" title="Lunghezza di Planck">lunghezza di Planck</a><b>&#160;·</b> <a href="/wiki/Massa_di_Planck" title="Massa di Planck">massa di Planck</a><b>&#160;·</b> <a href="/wiki/Carica_di_Planck" title="Carica di Planck">carica di Planck</a><b>&#160;·</b> <a href="/wiki/Temperatura_di_Planck" title="Temperatura di Planck">temperatura di Planck</a><b>&#160;·</b> <a href="/wiki/Costante_di_Planck" title="Costante di Planck">quanto del momento angolare</a></td></tr><tr><th class="subnavbox_group" style="text-align:center; width:22%;">Unità derivate</th><td colspan="1"><a href="/wiki/Energia_di_Planck" title="Energia di Planck">energia di Planck</a><b>&#160;·</b> <a href="/wiki/Forza_di_Planck" class="mw-redirect" title="Forza di Planck">forza di Planck</a><b>&#160;·</b> <a href="/wiki/Potenza_di_Planck" class="mw-redirect" title="Potenza di Planck">potenza di Planck</a><b>&#160;·</b> <a href="/wiki/Densit%C3%A0_di_Planck" class="mw-redirect" title="Densità di Planck">densità di Planck</a><b>&#160;·</b> <a href="/wiki/Frequenza_angolare_di_Planck" class="mw-redirect" title="Frequenza angolare di Planck">frequenza angolare di Planck</a><b>&#160;·</b> <a href="/wiki/Pressione_di_Planck" class="mw-redirect" title="Pressione di Planck">pressione di Planck</a><b>&#160;·</b> <a href="/wiki/Corrente_di_Planck" class="mw-redirect" title="Corrente di Planck">corrente di Planck</a><b>&#160;·</b> <a href="/wiki/Tensione_di_Planck" class="mw-redirect" title="Tensione di Planck">tensione di Planck</a><b>&#160;·</b> <a href="/wiki/Resistenza_di_Planck" class="mw-redirect" title="Resistenza di Planck">resistenza di Planck</a></td></tr></tbody></table></td></tr><tr><th colspan="1" class="navbox_group" style="text-align:center; width:22%;">Altre unità di misura</th><td colspan="1" class="navbox_list navbox_odd"><table class="subnavbox"><tbody><tr><th class="subnavbox_group" style="text-align:center; width:22%;"><a href="/wiki/Area" title="Area">Area</a></th><td colspan="1"><a href="/wiki/Ettaro" title="Ettaro">ettaro</a></td></tr><tr><th class="subnavbox_group" style="text-align:center; width:22%;"><a href="/wiki/Densit%C3%A0_lineare" title="Densità lineare">Densità lineare</a></th><td colspan="1"><a href="/wiki/Denaro_(unit%C3%A0_di_misura)" title="Denaro (unità di misura)">denaro</a><b>&#160;·</b> <a href="/wiki/Tex_(unit%C3%A0_di_misura)" title="Tex (unità di misura)">tex</a></td></tr><tr><th class="subnavbox_group" style="text-align:center; width:22%;"><a href="/wiki/Entropia" title="Entropia">Entropia</a></th><td colspan="1"><a href="/wiki/Clausius_(unit%C3%A0_di_misura)" title="Clausius (unità di misura)">clausius</a></td></tr><tr><th class="subnavbox_group" style="text-align:center; width:22%;"><a href="/wiki/Massa_(fisica)" title="Massa (fisica)">Massa</a></th><td colspan="1"><a href="/wiki/Grano_(unit%C3%A0_di_misura)" title="Grano (unità di misura)">grano</a><b>&#160;·</b> <a href="/wiki/Scruple" title="Scruple">scruple</a><b>&#160;·</b> <a href="/wiki/Dramma_(unit%C3%A0_di_misura)" title="Dramma (unità di misura)">dramma</a><b>&#160;·</b> <a href="/wiki/Oncia_(unit%C3%A0_di_misura)" title="Oncia (unità di misura)">oncia</a><b>&#160;·</b> <a href="/wiki/Libbra" title="Libbra">libbra</a><b>&#160;·</b> <a href="/wiki/Pietra_(unit%C3%A0_di_misura)" class="mw-redirect" title="Pietra (unità di misura)">pietra</a><b>&#160;·</b> <a href="/wiki/Quarto_(unit%C3%A0_di_misura)" title="Quarto (unità di misura)">quarto</a><b>&#160;·</b> <a href="/wiki/Slug_(unit%C3%A0_di_misura)" title="Slug (unità di misura)">slug</a></td></tr><tr><th class="subnavbox_group" style="text-align:center; width:22%;"><a href="/wiki/Temperatura" title="Temperatura">Temperatura</a></th><td colspan="1"><a href="/wiki/Grado_R%C3%B8mer" title="Grado Rømer">grado Rømer</a></td></tr><tr><th class="subnavbox_group" style="text-align:center; width:22%;"><a href="/wiki/Energia" title="Energia">Energia</a></th><td colspan="1"><a href="/wiki/Caloria" title="Caloria">caloria</a><b>&#160;·</b> <a href="/wiki/Frigoria" title="Frigoria">frigoria</a></td></tr><tr><th class="subnavbox_group" style="text-align:center; width:22%;"><a href="/wiki/Lunghezza" title="Lunghezza">lunghezza</a> in astronomia</th><td colspan="1"><a href="/wiki/Unit%C3%A0_astronomica" title="Unità astronomica">unità astronomica</a><b>&#160;·</b> <a href="/wiki/Anno_luce" title="Anno luce">anno luce</a><b>&#160;·</b> <a href="/wiki/Parsec" title="Parsec">parsec</a></td></tr></tbody></table></td></tr></tbody></table> <style data-mw-deduplicate="TemplateStyles:r140554510">.mw-parser-output .CdA{border:1px solid #aaa;width:100%;margin:auto;font-size:90%;padding:2px}.mw-parser-output .CdA th{background-color:#f2f2f2;font-weight:bold;width:20%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .CdA{border-color:#54595D}html.skin-theme-clientpref-night .mw-parser-output .CdA th{background-color:#202122}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .CdA{border-color:#54595D}html.skin-theme-clientpref-os .mw-parser-output .CdA th{background-color:#202122}}</style><table class="CdA"><tbody><tr><th><a href="/wiki/Aiuto:Controllo_di_autorit%C3%A0" title="Aiuto:Controllo di autorità">Controllo di autorità</a></th><td><a href="/wiki/Nuovo_soggettario" title="Nuovo soggettario">Thesaurus BNCF</a> <span class="uid"><a rel="nofollow" class="external text" href="https://thes.bncf.firenze.sbn.it/termine.php?id=70987">70987</a></span><span style="font-weight:bold;">&#160;·</span> <a href="/wiki/Library_of_Congress_Control_Number" title="Library of Congress Control Number">LCCN</a> <span class="uid">(<span style="font-weight:bolder; font-size:80%"><abbr title="inglese">EN</abbr></span>)&#160;<a rel="nofollow" class="external text" href="http://id.loc.gov/authorities/subjects/sh85084371">sh85084371</a></span><span style="font-weight:bold;">&#160;·</span> <a href="/wiki/Gemeinsame_Normdatei" title="Gemeinsame Normdatei">GND</a> <span class="uid">(<span style="font-weight:bolder; font-size:80%"><abbr title="tedesco">DE</abbr></span>)&#160;<a rel="nofollow" class="external text" href="https://d-nb.info/gnd/4518579-7">4518579-7</a></span><span style="font-weight:bold;">&#160;·</span> <a href="/wiki/Biblioteca_nazionale_di_Francia" title="Biblioteca nazionale di Francia">BNF</a> <span class="uid">(<span style="font-weight:bolder; font-size:80%"><abbr title="francese">FR</abbr></span>)&#160;<a rel="nofollow" class="external text" href="https://catalogue.bnf.fr/ark:/12148/cb11967077c">cb11967077c</a> <a rel="nofollow" class="external text" href="https://data.bnf.fr/ark:/12148/cb11967077c">(data)</a></span><span style="font-weight:bold;">&#160;·</span> <a href="/wiki/Biblioteca_nazionale_di_Israele" title="Biblioteca nazionale di Israele">J9U</a> <span class="uid">(<span style="font-weight:bolder; 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