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Längd – Wikipedia
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class="vector-toc-link" href="#Längden_av_en_funktionskurva_'"`UNIQ--postMath-00000003-QINU`"'"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Längden av en funktionskurva '"`UNIQ--postMath-00000003-QINU`"'</span> </div> </a> <ul id="toc-Längden_av_en_funktionskurva_'"`UNIQ--postMath-00000003-QINU`"'-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Enheter" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Enheter"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Enheter</span> </div> </a> <ul id="toc-Enheter-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Källor" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Källor"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Källor</span> </div> </a> <ul id="toc-Källor-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Externa_länkar" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Externa_länkar"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Externa länkar</span> </div> </a> <ul id="toc-Externa_länkar-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="Innehåll" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" title="Innehållsförteckning" > <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="Växla innehållsförteckningen" > <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">Växla innehållsförteckningen</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">Längd</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="Gå till en artikel på ett annat språk. Tillgänglig på 119 språk" > <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-119" 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">119 språk</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/Lengte" title="Lengte – afrikaans" lang="af" hreflang="af" data-title="Lengte" data-language-autonym="Afrikaans" data-language-local-name="afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-anp mw-list-item"><a href="https://anp.wikipedia.org/wiki/%E0%A4%B2%E0%A4%82%E0%A4%AC%E0%A4%BE%E0%A4%88" title="लंबाई – angika" lang="anp" hreflang="anp" data-title="लंबाई" data-language-autonym="अंगिका" data-language-local-name="angika" class="interlanguage-link-target"><span>अंगिका</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B7%D9%88%D9%84" title="طول – arabiska" lang="ar" hreflang="ar" data-title="طول" data-language-autonym="العربية" data-language-local-name="arabiska" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-an mw-list-item"><a href="https://an.wikipedia.org/wiki/Longaria" title="Longaria – aragonesiska" lang="an" hreflang="an" data-title="Longaria" data-language-autonym="Aragonés" data-language-local-name="aragonesiska" class="interlanguage-link-target"><span>Aragonés</span></a></li><li class="interlanguage-link interwiki-arc mw-list-item"><a href="https://arc.wikipedia.org/wiki/%DC%90%DC%98%DC%AA%DC%9F%DC%90" title="ܐܘܪܟܐ – arameiska" lang="arc" hreflang="arc" data-title="ܐܘܪܟܐ" data-language-autonym="ܐܪܡܝܐ" data-language-local-name="arameiska" class="interlanguage-link-target"><span>ܐܪܡܝܐ</span></a></li><li class="interlanguage-link interwiki-hyw mw-list-item"><a href="https://hyw.wikipedia.org/wiki/%D4%B5%D6%80%D5%AF%D5%A1%D6%80%D5%B8%D6%82%D5%A9%D5%AB%D6%82%D5%B6" title="Երկարութիւն – Western Armenian" lang="hyw" hreflang="hyw" data-title="Երկարութիւն" data-language-autonym="Արեւմտահայերէն" data-language-local-name="Western Armenian" class="interlanguage-link-target"><span>Արեւմտահայերէն</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Llargor" title="Llargor – asturiska" lang="ast" hreflang="ast" data-title="Llargor" data-language-autonym="Asturianu" data-language-local-name="asturiska" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-atj mw-list-item"><a href="https://atj.wikipedia.org/wiki/Tipahikinatikw" title="Tipahikinatikw – atikamekw" lang="atj" hreflang="atj" data-title="Tipahikinatikw" data-language-autonym="Atikamekw" data-language-local-name="atikamekw" class="interlanguage-link-target"><span>Atikamekw</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Uzunluq" title="Uzunluq – azerbajdzjanska" lang="az" hreflang="az" data-title="Uzunluq" data-language-autonym="Azərbaycanca" data-language-local-name="azerbajdzjanska" 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/%D8%A7%D9%88%D8%B2%D9%88%D9%86%D9%84%D9%88%D9%82" title="اوزونلوق – South Azerbaijani" lang="azb" hreflang="azb" data-title="اوزونلوق" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%A6%E0%A7%88%E0%A6%B0%E0%A7%8D%E0%A6%98%E0%A7%8D%E0%A6%AF" title="দৈর্ঘ্য – bengali" lang="bn" hreflang="bn" data-title="দৈর্ঘ্য" data-language-autonym="বাংলা" data-language-local-name="bengali" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/Tn%CC%82g-t%C3%A9" title="Tn̂g-té – min nan" lang="nan" hreflang="nan" data-title="Tn̂g-té" 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-ba mw-list-item"><a href="https://ba.wikipedia.org/wiki/%D0%9E%D2%99%D0%BE%D0%BD%D0%BB%D0%BE%D2%A1" title="Оҙонлоҡ – basjkiriska" lang="ba" hreflang="ba" data-title="Оҙонлоҡ" data-language-autonym="Башҡортса" data-language-local-name="basjkiriska" class="interlanguage-link-target"><span>Башҡортса</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%94%D0%B0%D1%9E%D0%B6%D1%8B%D0%BD%D1%8F" title="Даўжыня – belarusiska" lang="be" hreflang="be" data-title="Даўжыня" data-language-autonym="Беларуская" data-language-local-name="belarusiska" 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%94%D0%B0%D1%9E%D0%B6%D1%8B%D0%BD%D1%8F" title="Даўжыня – belarusiska (tarasjkevitsa)" lang="be-tarask" hreflang="be-tarask" data-title="Даўжыня" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="belarusiska (tarasjkevitsa)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bcl mw-list-item"><a href="https://bcl.wikipedia.org/wiki/Laba" title="Laba – Central Bikol" lang="bcl" hreflang="bcl" data-title="Laba" data-language-autonym="Bikol Central" data-language-local-name="Central Bikol" class="interlanguage-link-target"><span>Bikol Central</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%94%D1%8A%D0%BB%D0%B6%D0%B8%D0%BD%D0%B0" title="Дължина – bulgariska" lang="bg" hreflang="bg" data-title="Дължина" data-language-autonym="Български" data-language-local-name="bulgariska" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bar mw-list-item"><a href="https://bar.wikipedia.org/wiki/L%C3%A4ng" title="Läng – bayerska" lang="bar" hreflang="bar" data-title="Läng" data-language-autonym="Boarisch" data-language-local-name="bayerska" class="interlanguage-link-target"><span>Boarisch</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Du%C5%BEina" title="Dužina – bosniska" lang="bs" hreflang="bs" data-title="Dužina" data-language-autonym="Bosanski" data-language-local-name="bosniska" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-br mw-list-item"><a href="https://br.wikipedia.org/wiki/Hed" title="Hed – bretonska" lang="br" hreflang="br" data-title="Hed" data-language-autonym="Brezhoneg" data-language-local-name="bretonska" class="interlanguage-link-target"><span>Brezhoneg</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Longitud" title="Longitud – katalanska" lang="ca" hreflang="ca" data-title="Longitud" data-language-autonym="Català" data-language-local-name="katalanska" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/%D0%92%C4%83%D1%80%C4%83%D0%BC%C4%83%D1%88" title="Вăрăмăш – tjuvasjiska" lang="cv" hreflang="cv" data-title="Вăрăмăш" data-language-autonym="Чӑвашла" data-language-local-name="tjuvasjiska" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/D%C3%A9lka" title="Délka – tjeckiska" lang="cs" hreflang="cs" data-title="Délka" data-language-autonym="Čeština" data-language-local-name="tjeckiska" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-sn mw-list-item"><a href="https://sn.wikipedia.org/wiki/Hurefu" title="Hurefu – shona" lang="sn" hreflang="sn" data-title="Hurefu" data-language-autonym="ChiShona" data-language-local-name="shona" class="interlanguage-link-target"><span>ChiShona</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Hyd" title="Hyd – walesiska" lang="cy" hreflang="cy" data-title="Hyd" data-language-autonym="Cymraeg" data-language-local-name="walesiska" 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/L%C3%A6ngde" title="Længde – danska" lang="da" hreflang="da" data-title="Længde" data-language-autonym="Dansk" data-language-local-name="danska" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-ary mw-list-item"><a href="https://ary.wikipedia.org/wiki/%D8%B7%D9%88%D9%84" title="طول – marockansk arabiska" lang="ary" hreflang="ary" data-title="طول" data-language-autonym="الدارجة" data-language-local-name="marockansk arabiska" class="interlanguage-link-target"><span>الدارجة</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/L%C3%A4ngenma%C3%9F" title="Längenmaß – tyska" lang="de" hreflang="de" data-title="Längenmaß" data-language-autonym="Deutsch" data-language-local-name="tyska" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Pikkus" title="Pikkus – estniska" lang="et" hreflang="et" data-title="Pikkus" data-language-autonym="Eesti" data-language-local-name="estniska" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%9C%CE%AE%CE%BA%CE%BF%CF%82" title="Μήκος – grekiska" lang="el" hreflang="el" data-title="Μήκος" data-language-autonym="Ελληνικά" data-language-local-name="grekiska" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Length" title="Length – engelska" lang="en" hreflang="en" data-title="Length" data-language-autonym="English" data-language-local-name="engelska" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Longitud" title="Longitud – spanska" lang="es" hreflang="es" data-title="Longitud" data-language-autonym="Español" data-language-local-name="spanska" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Longo" title="Longo – esperanto" lang="eo" hreflang="eo" data-title="Longo" data-language-autonym="Esperanto" data-language-local-name="esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-ext mw-list-item"><a href="https://ext.wikipedia.org/wiki/Longol" title="Longol – extremaduriska" lang="ext" hreflang="ext" data-title="Longol" data-language-autonym="Estremeñu" data-language-local-name="extremaduriska" class="interlanguage-link-target"><span>Estremeñu</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Luzera_(geometria)" title="Luzera (geometria) – baskiska" lang="eu" hreflang="eu" data-title="Luzera (geometria)" data-language-autonym="Euskara" data-language-local-name="baskiska" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%B7%D9%88%D9%84" title="طول – persiska" lang="fa" hreflang="fa" data-title="طول" data-language-autonym="فارسی" data-language-local-name="persiska" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Longueur" title="Longueur – franska" lang="fr" hreflang="fr" data-title="Longueur" data-language-autonym="Français" data-language-local-name="franska" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Fad" title="Fad – iriska" lang="ga" hreflang="ga" data-title="Fad" data-language-autonym="Gaeilge" data-language-local-name="iriska" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Lonxitude" title="Lonxitude – galiciska" lang="gl" hreflang="gl" data-title="Lonxitude" data-language-autonym="Galego" data-language-local-name="galiciska" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-hak mw-list-item"><a href="https://hak.wikipedia.org/wiki/Chh%C3%B2ng-thu" title="Chhòng-thu – hakka" lang="hak" hreflang="hak" data-title="Chhòng-thu" 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-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EA%B8%B8%EC%9D%B4" title="길이 – koreanska" lang="ko" hreflang="ko" data-title="길이" data-language-autonym="한국어" data-language-local-name="koreanska" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D4%B5%D6%80%D5%AF%D5%A1%D6%80%D5%B8%D6%82%D5%A9%D5%B5%D5%B8%D6%82%D5%B6" title="Երկարություն – armeniska" lang="hy" hreflang="hy" data-title="Երկարություն" data-language-autonym="Հայերեն" data-language-local-name="armeniska" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%B2%E0%A4%AE%E0%A5%8D%E0%A4%AC%E0%A4%BE%E0%A4%88" title="लम्बाई – hindi" lang="hi" hreflang="hi" data-title="लम्बाई" data-language-autonym="हिन्दी" data-language-local-name="hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Duljina" title="Duljina – kroatiska" lang="hr" hreflang="hr" data-title="Duljina" data-language-autonym="Hrvatski" data-language-local-name="kroatiska" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Panjang" title="Panjang – indonesiska" lang="id" hreflang="id" data-title="Panjang" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesiska" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-ia mw-list-item"><a href="https://ia.wikipedia.org/wiki/Longitude" title="Longitude – interlingua" lang="ia" hreflang="ia" data-title="Longitude" data-language-autonym="Interlingua" data-language-local-name="interlingua" class="interlanguage-link-target"><span>Interlingua</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Lengd" title="Lengd – isländska" lang="is" hreflang="is" data-title="Lengd" data-language-autonym="Íslenska" data-language-local-name="isländska" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Lunghezza" title="Lunghezza – italienska" lang="it" hreflang="it" data-title="Lunghezza" data-language-autonym="Italiano" data-language-local-name="italienska" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%90%D7%95%D7%A8%D7%9A" title="אורך – hebreiska" lang="he" hreflang="he" data-title="אורך" data-language-autonym="עברית" data-language-local-name="hebreiska" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-kbp mw-list-item"><a href="https://kbp.wikipedia.org/wiki/%C6%89a%C9%A3lak%C9%A9%C5%8B_(longeur)" title="Ɖaɣlakɩŋ (longeur) – Kabiye" lang="kbp" hreflang="kbp" data-title="Ɖaɣlakɩŋ (longeur)" data-language-autonym="Kabɩyɛ" data-language-local-name="Kabiye" class="interlanguage-link-target"><span>Kabɩyɛ</span></a></li><li class="interlanguage-link interwiki-kn mw-list-item"><a href="https://kn.wikipedia.org/wiki/%E0%B2%89%E0%B2%A6%E0%B3%8D%E0%B2%A6" title="ಉದ್ದ – kannada" lang="kn" hreflang="kn" data-title="ಉದ್ದ" data-language-autonym="ಕನ್ನಡ" data-language-local-name="kannada" class="interlanguage-link-target"><span>ಕನ್ನಡ</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%A1%E1%83%98%E1%83%92%E1%83%A0%E1%83%AB%E1%83%94" title="სიგრძე – georgiska" lang="ka" hreflang="ka" data-title="სიგრძე" data-language-autonym="ქართული" data-language-local-name="georgiska" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D2%B0%D0%B7%D1%8B%D0%BD%D0%B4%D1%8B%D2%9B" title="Ұзындық – kazakiska" lang="kk" hreflang="kk" data-title="Ұзындық" data-language-autonym="Қазақша" data-language-local-name="kazakiska" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Urefu" title="Urefu – swahili" lang="sw" hreflang="sw" data-title="Urefu" data-language-autonym="Kiswahili" data-language-local-name="swahili" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-gcr mw-list-item"><a href="https://gcr.wikipedia.org/wiki/L%C3%A8_(j%C3%A9om%C3%A9tri)" title="Lè (jéométri) – Guianan Creole" lang="gcr" hreflang="gcr" data-title="Lè (jéométri)" data-language-autonym="Kriyòl gwiyannen" data-language-local-name="Guianan Creole" class="interlanguage-link-target"><span>Kriyòl gwiyannen</span></a></li><li class="interlanguage-link interwiki-ku mw-list-item"><a href="https://ku.wikipedia.org/wiki/Dir%C3%AAjah%C3%AE" title="Dirêjahî – kurdiska" lang="ku" hreflang="ku" data-title="Dirêjahî" data-language-autonym="Kurdî" data-language-local-name="kurdiska" class="interlanguage-link-target"><span>Kurdî</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Longitudo" title="Longitudo – latin" lang="la" hreflang="la" data-title="Longitudo" data-language-autonym="Latina" data-language-local-name="latin" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Garums" title="Garums – lettiska" lang="lv" hreflang="lv" data-title="Garums" data-language-autonym="Latviešu" data-language-local-name="lettiska" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/L%C3%A4ngt_(Physik)" title="Längt (Physik) – luxemburgiska" lang="lb" hreflang="lb" data-title="Längt (Physik)" data-language-autonym="Lëtzebuergesch" data-language-local-name="luxemburgiska" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Ilgis_(matematika)" title="Ilgis (matematika) – litauiska" lang="lt" hreflang="lt" data-title="Ilgis (matematika)" data-language-autonym="Lietuvių" data-language-local-name="litauiska" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-lij mw-list-item"><a href="https://lij.wikipedia.org/wiki/Longh%C3%A9ssa" title="Longhéssa – liguriska" lang="lij" hreflang="lij" data-title="Longhéssa" data-language-autonym="Ligure" data-language-local-name="liguriska" class="interlanguage-link-target"><span>Ligure</span></a></li><li class="interlanguage-link interwiki-li mw-list-item"><a href="https://li.wikipedia.org/wiki/Lingdje" title="Lingdje – limburgiska" lang="li" hreflang="li" data-title="Lingdje" data-language-autonym="Limburgs" data-language-local-name="limburgiska" class="interlanguage-link-target"><span>Limburgs</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Hossz%C3%BAs%C3%A1g" title="Hosszúság – ungerska" lang="hu" hreflang="hu" data-title="Hosszúság" data-language-autonym="Magyar" data-language-local-name="ungerska" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%94%D0%BE%D0%BB%D0%B6%D0%B8%D0%BD%D0%B0" title="Должина – makedonska" lang="mk" hreflang="mk" data-title="Должина" data-language-autonym="Македонски" data-language-local-name="makedonska" 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%A8%E0%B5%80%E0%B4%B3%E0%B4%82" title="നീളം – malayalam" lang="ml" hreflang="ml" data-title="നീളം" data-language-autonym="മലയാളം" data-language-local-name="malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A4%B2%E0%A4%BE%E0%A4%82%E0%A4%AC%E0%A5%80" title="लांबी – marathi" lang="mr" hreflang="mr" data-title="लांबी" data-language-autonym="मराठी" data-language-local-name="marathi" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-xmf mw-list-item"><a href="https://xmf.wikipedia.org/wiki/%E1%83%A1%E1%83%98%E1%83%92%E1%83%B7%E1%83%A0%E1%83%AB%E1%83%90" title="სიგჷრძა – mingrelianska" lang="xmf" hreflang="xmf" data-title="სიგჷრძა" data-language-autonym="მარგალური" data-language-local-name="mingrelianska" class="interlanguage-link-target"><span>მარგალური</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Panjang" title="Panjang – malajiska" lang="ms" hreflang="ms" data-title="Panjang" data-language-autonym="Bahasa Melayu" data-language-local-name="malajiska" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-cdo mw-list-item"><a href="https://cdo.wikipedia.org/wiki/D%C3%B2ng-d%C3%B4" title="Dòng-dô – Mindong" lang="cdo" hreflang="cdo" data-title="Dòng-dô" 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-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D0%A3%D1%80%D1%82" title="Урт – mongoliska" lang="mn" hreflang="mn" data-title="Урт" data-language-autonym="Монгол" data-language-local-name="mongoliska" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/%E1%80%A1%E1%80%9C%E1%80%BB%E1%80%AC%E1%80%B8" title="အလျား – burmesiska" lang="my" hreflang="my" data-title="အလျား" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="burmesiska" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Lengte_(meetkunde)" title="Lengte (meetkunde) – nederländska" lang="nl" hreflang="nl" data-title="Lengte (meetkunde)" data-language-autonym="Nederlands" data-language-local-name="nederländska" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E9%95%B7%E3%81%95" title="長さ – japanska" lang="ja" hreflang="ja" data-title="長さ" data-language-autonym="日本語" data-language-local-name="japanska" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-frr mw-list-item"><a href="https://frr.wikipedia.org/wiki/Lengde" title="Lengde – nordfrisiska" lang="frr" hreflang="frr" data-title="Lengde" data-language-autonym="Nordfriisk" data-language-local-name="nordfrisiska" class="interlanguage-link-target"><span>Nordfriisk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Lengde" title="Lengde – norskt bokmål" lang="nb" hreflang="nb" data-title="Lengde" data-language-autonym="Norsk bokmål" data-language-local-name="norskt bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Lengd" title="Lengd – nynorska" lang="nn" hreflang="nn" data-title="Lengd" data-language-autonym="Norsk nynorsk" data-language-local-name="nynorska" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Uzunlik" title="Uzunlik – uzbekiska" lang="uz" hreflang="uz" data-title="Uzunlik" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="uzbekiska" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%B2%E0%A9%B0%E0%A8%AC%E0%A8%BE%E0%A8%88" title="ਲੰਬਾਈ – punjabi" lang="pa" hreflang="pa" data-title="ਲੰਬਾਈ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="punjabi" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pnb mw-list-item"><a href="https://pnb.wikipedia.org/wiki/%D9%84%D9%85%D8%A8%D8%A7%D8%A6%DB%8C" title="لمبائی – Western Punjabi" lang="pnb" hreflang="pnb" data-title="لمبائی" data-language-autonym="پنجابی" data-language-local-name="Western Punjabi" class="interlanguage-link-target"><span>پنجابی</span></a></li><li class="interlanguage-link interwiki-pms mw-list-item"><a href="https://pms.wikipedia.org/wiki/Longheur" title="Longheur – piemontesiska" lang="pms" hreflang="pms" data-title="Longheur" data-language-autonym="Piemontèis" data-language-local-name="piemontesiska" class="interlanguage-link-target"><span>Piemontèis</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/L%C3%A4ng_(Physik)" title="Läng (Physik) – lågtyska" lang="nds" hreflang="nds" data-title="Läng (Physik)" data-language-autonym="Plattdüütsch" data-language-local-name="lågtyska" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/D%C5%82ugo%C5%9B%C4%87_fizyczna" title="Długość fizyczna – polska" lang="pl" hreflang="pl" data-title="Długość fizyczna" data-language-autonym="Polski" data-language-local-name="polska" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Comprimento" title="Comprimento – portugisiska" lang="pt" hreflang="pt" data-title="Comprimento" data-language-autonym="Português" data-language-local-name="portugisiska" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Lungime" title="Lungime – rumänska" lang="ro" hreflang="ro" data-title="Lungime" data-language-autonym="Română" data-language-local-name="rumänska" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-qu mw-list-item"><a href="https://qu.wikipedia.org/wiki/Karu_kay" title="Karu kay – quechua" lang="qu" hreflang="qu" data-title="Karu kay" 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-rue mw-list-item"><a href="https://rue.wikipedia.org/wiki/%D0%94%D0%BE%D0%B2%D0%B6%D0%BA%D0%B0" title="Довжка – rusyn" lang="rue" hreflang="rue" data-title="Довжка" data-language-autonym="Русиньскый" data-language-local-name="rusyn" class="interlanguage-link-target"><span>Русиньскый</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%94%D0%BB%D0%B8%D0%BD%D0%B0" title="Длина – ryska" lang="ru" hreflang="ru" data-title="Длина" data-language-autonym="Русский" data-language-local-name="ryska" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-szy mw-list-item"><a href="https://szy.wikipedia.org/wiki/tanaya%E2%80%99" title="tanaya’ – Sakizaya" lang="szy" hreflang="szy" data-title="tanaya’" data-language-autonym="Sakizaya" data-language-local-name="Sakizaya" class="interlanguage-link-target"><span>Sakizaya</span></a></li><li class="interlanguage-link interwiki-sco mw-list-item"><a href="https://sco.wikipedia.org/wiki/Lenth" title="Lenth – skotska" lang="sco" hreflang="sco" data-title="Lenth" data-language-autonym="Scots" data-language-local-name="skotska" class="interlanguage-link-target"><span>Scots</span></a></li><li class="interlanguage-link interwiki-stq mw-list-item"><a href="https://stq.wikipedia.org/wiki/Laangte" title="Laangte – saterfrisiska" lang="stq" hreflang="stq" data-title="Laangte" data-language-autonym="Seeltersk" data-language-local-name="saterfrisiska" class="interlanguage-link-target"><span>Seeltersk</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Gjat%C3%ABsia" title="Gjatësia – albanska" lang="sq" hreflang="sq" data-title="Gjatësia" data-language-autonym="Shqip" data-language-local-name="albanska" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Length" title="Length – Simple English" lang="en-simple" hreflang="en-simple" data-title="Length" 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-sd mw-list-item"><a href="https://sd.wikipedia.org/wiki/%DA%8A%DA%AF%DA%BE%D8%A7%D8%A6%D9%8A_(%D9%81%D8%B2%DA%AA%D8%B3)" title="ڊگھائي (فزڪس) – sindhi" lang="sd" hreflang="sd" data-title="ڊگھائي (فزڪس)" data-language-autonym="سنڌي" data-language-local-name="sindhi" class="interlanguage-link-target"><span>سنڌي</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/D%C4%BA%C5%BEka" title="Dĺžka – slovakiska" lang="sk" hreflang="sk" data-title="Dĺžka" data-language-autonym="Slovenčina" data-language-local-name="slovakiska" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Dol%C5%BEina" title="Dolžina – slovenska" lang="sl" hreflang="sl" data-title="Dolžina" data-language-autonym="Slovenščina" data-language-local-name="slovenska" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D8%AF%D8%B1%DB%8E%DA%98%DB%8C" title="درێژی – centralkurdiska" lang="ckb" hreflang="ckb" data-title="درێژی" data-language-autonym="کوردی" data-language-local-name="centralkurdiska" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%94%D1%83%D0%B6%D0%B8%D0%BD%D0%B0" title="Дужина – serbiska" lang="sr" hreflang="sr" data-title="Дужина" data-language-autonym="Српски / srpski" data-language-local-name="serbiska" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Du%C5%BEina" title="Dužina – serbokroatiska" lang="sh" hreflang="sh" data-title="Dužina" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbokroatiska" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Pituus" title="Pituus – finska" lang="fi" hreflang="fi" data-title="Pituus" data-language-autonym="Suomi" data-language-local-name="finska" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Haba" title="Haba – tagalog" lang="tl" hreflang="tl" data-title="Haba" data-language-autonym="Tagalog" data-language-local-name="tagalog" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%A8%E0%AF%80%E0%AE%B3%E0%AE%AE%E0%AF%8D" title="நீளம் – tamil" lang="ta" hreflang="ta" data-title="நீளம்" data-language-autonym="தமிழ்" data-language-local-name="tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-shi mw-list-item"><a href="https://shi.wikipedia.org/wiki/Ti%C9%A3zi" title="Tiɣzi – tachelhit" lang="shi" hreflang="shi" data-title="Tiɣzi" data-language-autonym="Taclḥit" data-language-local-name="tachelhit" class="interlanguage-link-target"><span>Taclḥit</span></a></li><li class="interlanguage-link interwiki-kab mw-list-item"><a href="https://kab.wikipedia.org/wiki/Te%C9%A3zi_(tusnakt)" title="Teɣzi (tusnakt) – kabyliska" lang="kab" hreflang="kab" data-title="Teɣzi (tusnakt)" data-language-autonym="Taqbaylit" data-language-local-name="kabyliska" class="interlanguage-link-target"><span>Taqbaylit</span></a></li><li class="interlanguage-link interwiki-roa-tara mw-list-item"><a href="https://roa-tara.wikipedia.org/wiki/Lunghezze" title="Lunghezze – Tarantino" lang="nap-x-tara" hreflang="nap-x-tara" data-title="Lunghezze" data-language-autonym="Tarandíne" data-language-local-name="Tarantino" class="interlanguage-link-target"><span>Tarandíne</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%AA%E0%B1%8A%E0%B0%A1%E0%B0%B5%E0%B1%81" title="పొడవు – telugu" lang="te" hreflang="te" data-title="పొడవు" data-language-autonym="తెలుగు" data-language-local-name="telugu" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%A2%E0%B8%B2%E0%B8%A7" title="ความยาว – thailändska" lang="th" hreflang="th" data-title="ความยาว" data-language-autonym="ไทย" data-language-local-name="thailändska" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Uzunluk" title="Uzunluk – turkiska" lang="tr" hreflang="tr" data-title="Uzunluk" data-language-autonym="Türkçe" data-language-local-name="turkiska" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%94%D0%BE%D0%B2%D0%B6%D0%B8%D0%BD%D0%B0" title="Довжина – ukrainska" lang="uk" hreflang="uk" data-title="Довжина" data-language-autonym="Українська" data-language-local-name="ukrainska" 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%84%D9%85%D8%A8%D8%A7%D8%A6%DB%8C" title="لمبائی – urdu" lang="ur" hreflang="ur" data-title="لمبائی" data-language-autonym="اردو" data-language-local-name="urdu" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-vec mw-list-item"><a href="https://vec.wikipedia.org/wiki/%C5%81onghesa" title="Łonghesa – venetianska" lang="vec" hreflang="vec" data-title="Łonghesa" data-language-autonym="Vèneto" data-language-local-name="venetianska" class="interlanguage-link-target"><span>Vèneto</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Chi%E1%BB%81u_d%C3%A0i" title="Chiều dài – vietnamesiska" lang="vi" hreflang="vi" data-title="Chiều dài" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamesiska" 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/Lengte" title="Lengte – västflamländska" lang="vls" hreflang="vls" data-title="Lengte" data-language-autonym="West-Vlams" data-language-local-name="västflamländska" class="interlanguage-link-target"><span>West-Vlams</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Tipahilaba" title="Tipahilaba – waray" lang="war" hreflang="war" data-title="Tipahilaba" 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/%E9%95%BF%E5%BA%A6" title="长度 – wu" lang="wuu" hreflang="wuu" data-title="长度" 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-ts mw-list-item"><a href="https://ts.wikipedia.org/wiki/Kuleha" title="Kuleha – tsonga" lang="ts" hreflang="ts" data-title="Kuleha" data-language-autonym="Xitsonga" data-language-local-name="tsonga" class="interlanguage-link-target"><span>Xitsonga</span></a></li><li class="interlanguage-link interwiki-yi mw-list-item"><a href="https://yi.wikipedia.org/wiki/%D7%9C%D7%A2%D7%A0%D7%92" title="לענג – jiddisch" lang="yi" hreflang="yi" data-title="לענג" data-language-autonym="ייִדיש" data-language-local-name="jiddisch" class="interlanguage-link-target"><span>ייִדיש</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E9%95%B7%E5%BA%A6" title="長度 – kantonesiska" lang="yue" hreflang="yue" data-title="長度" data-language-autonym="粵語" data-language-local-name="kantonesiska" class="interlanguage-link-target"><span>粵語</span></a></li><li class="interlanguage-link interwiki-bat-smg mw-list-item"><a href="https://bat-smg.wikipedia.org/wiki/%C4%96lgoms" title="Ėlgoms – samogitiska" lang="sgs" hreflang="sgs" data-title="Ėlgoms" data-language-autonym="Žemaitėška" data-language-local-name="samogitiska" class="interlanguage-link-target"><span>Žemaitėška</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E9%95%BF%E5%BA%A6" title="长度 – kinesiska" lang="zh" hreflang="zh" data-title="长度" data-language-autonym="中文" data-language-local-name="kinesiska" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q36253#sitelinks-wikipedia" title="Redigera interwikilänkar" class="wbc-editpage">Redigera länkar</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namnrymder"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/L%C3%A4ngd" title="Visa innehållssidan [c]" accesskey="c"><span>Artikel</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Diskussion:L%C3%A4ngd" rel="discussion" title="Diskussion om innehållssidan [t]" accesskey="t"><span>Diskussion</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Ändra språkvariant" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">svenska</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Visningar"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/L%C3%A4ngd"><span>Läs</span></a></li><li id="ca-ve-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=L%C3%A4ngd&veaction=edit" title="Redigera denna sida [v]" accesskey="v"><span>Redigera</span></a></li><li id="ca-edit" class="collapsible vector-tab-noicon mw-list-item"><a href="/w/index.php?title=L%C3%A4ngd&action=edit" title="Redigera wikitexten för den här sidan [e]" accesskey="e"><span>Redigera wikitext</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=L%C3%A4ngd&action=history" title="Tidigare versioner av sidan [h]" accesskey="h"><span>Visa historik</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Sidverktyg"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Verktyg" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Verktyg</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Verktyg</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">flytta till sidofältet</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">dölj</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Fler alternativ" > <div class="vector-menu-heading"> Åtgärder </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/L%C3%A4ngd"><span>Läs</span></a></li><li id="ca-more-ve-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=L%C3%A4ngd&veaction=edit" title="Redigera denna sida [v]" accesskey="v"><span>Redigera</span></a></li><li id="ca-more-edit" class="collapsible vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=L%C3%A4ngd&action=edit" title="Redigera wikitexten för den här sidan [e]" accesskey="e"><span>Redigera wikitext</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=L%C3%A4ngd&action=history"><span>Visa historik</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> Allmänt </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Special:L%C3%A4nkar_hit/L%C3%A4ngd" title="Lista över alla wikisidor som länkar hit [j]" accesskey="j"><span>Sidor som länkar hit</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Special:Senaste_relaterade_%C3%A4ndringar/L%C3%A4ngd" rel="nofollow" title="Visa senaste ändringarna av sidor som den här sidan länkar till [k]" accesskey="k"><span>Relaterade ändringar</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=L%C3%A4ngd&oldid=56988406" title="Permanent länk till den här versionen av sidan"><span>Permanent länk</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=L%C3%A4ngd&action=info" title="Mer information om denna sida"><span>Sidinformation</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Special:Citera&page=L%C3%A4ngd&id=56988406&wpFormIdentifier=titleform" title="Information om hur den här artikeln kan användas som referens"><span>Använd som referens</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Special:UrlShortener&url=https%3A%2F%2Fsv.wikipedia.org%2Fwiki%2FL%25C3%25A4ngd"><span>Hämta förkortad url</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Special:QrCode&url=https%3A%2F%2Fsv.wikipedia.org%2Fwiki%2FL%25C3%25A4ngd"><span>Ladda ner QR-kod</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Skriv ut/exportera </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=Special:Bok&bookcmd=book_creator&referer=L%C3%A4ngd"><span>Skapa en bok</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Special:DownloadAsPdf&page=L%C3%A4ngd&action=show-download-screen"><span>Ladda ned som PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=L%C3%A4ngd&printable=yes" title="Utskriftsvänlig version av den här sidan [p]" accesskey="p"><span>Utskriftsvänlig version</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> På andra projekt </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/Length" hreflang="en"><span>Commons</span></a></li><li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q36253" title="Länk till anslutet databasobjekt [g]" accesskey="g"><span>Wikidata-objekt</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Sidverktyg"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Utseende"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Utseende</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">flytta till sidofältet</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">dölj</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">Från Wikipedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="sv" dir="ltr"><style data-mw-deduplicate="TemplateStyles:r51224235">.mw-parser-output table.ambox{margin:0 10%;border-collapse:collapse;background:#fbfbfb;border:1px solid #aaa;border-left:10px solid #608ec2}.mw-parser-output table.ambox th.ambox-text,.mw-parser-output table.ambox td.ambox-text{padding:.25em .5em;width:100%}.mw-parser-output table.ambox td.ambox-image{padding:2px 0 2px .5em;text-align:center;vertical-align:middle}.mw-parser-output table.ambox td.ambox-imageright{padding:2px 4px 2px 0;text-align:center;vertical-align:middle}.mw-parser-output table.ambox-notice{border-left:10px solid #608ec2}.mw-parser-output table.ambox-delete,.mw-parser-output table.ambox-serious{border-left:10px solid #b22222}.mw-parser-output table.ambox-content{border-left:10px solid #f28500}.mw-parser-output table.ambox-style{border-left:10px solid #f4c430}.mw-parser-output table.ambox-merge{border-left:10px solid #9932cc}.mw-parser-output table.ambox-protection{border-left:10px solid #bba}.mw-parser-output .ambox+link+.ambox{border-top-width:0}.mw-parser-output .messagebox{border:1px solid #aaaaaa;background-color:#f8f9fa;width:80%;margin:0 auto 1em auto;padding:.2em}.mw-parser-output .messagebox.merge{border:1px solid #c0b8cc;background-color:#f0e5ff;text-align:center}.mw-parser-output .messagebox.cleanup{border:1px solid #9f9fff;background-color:#efefff;text-align:center}.mw-parser-output .messagebox.standard-talk{border:1px solid #c0c090;background-color:#f8eaba}.mw-parser-output .messagebox.nested-talk{border:1px solid #c0c090;background-color:#f8eaba;width:100%;margin:2px 4px}</style><table class="metadata ambox ambox-content" style=""> <tbody><tr> <td class="ambox-image"> <div style="width:52px;"><span typeof="mw:File"><a href="/wiki/Fil:Question_book-4.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/64/Question_book-4.svg/40px-Question_book-4.svg.png" decoding="async" width="40" height="31" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/64/Question_book-4.svg/60px-Question_book-4.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/64/Question_book-4.svg/80px-Question_book-4.svg.png 2x" data-file-width="262" data-file-height="204" /></a></span></div></td> <td class="ambox-text">Den här artikeln <b>behöver fler eller bättre <a href="/wiki/Wikipedia:K%C3%A4llh%C3%A4nvisningar" title="Wikipedia:Källhänvisningar">källhänvisningar</a> för att kunna <a href="/wiki/Wikipedia:Verifierbarhet" title="Wikipedia:Verifierbarhet">verifieras</a>.</b> <small>(2025-03)</small> <br /><small>Åtgärda genom att lägga till pålitliga källor (<a href="/wiki/Wikipedia:Introduktion_till_k%C3%A4llh%C3%A4nvisningar" title="Wikipedia:Introduktion till källhänvisningar">gärna som fotnoter</a>). Uppgifter utan källhänvisning kan <a href="/wiki/Mall:K%C3%A4lla_beh%C3%B6vs" title="Mall:Källa behövs">ifrågasättas</a> och tas bort utan att det behöver diskuteras på <a href="/wiki/Diskussion:L%C3%A4ngd" title="Diskussion:Längd">diskussionssidan</a>.</small></td> </tr> </tbody></table><style data-mw-deduplicate="TemplateStyles:r53696904">.mw-parser-output .infobox{border:1px solid #aaa;background-color:#f9f9f9;color:black;margin:.5em 0 .5em 1em;padding:.2em;float:right;clear:right;width:22em;text-align:left;font-size:88%;line-height:1.6em}.mw-parser-output .infobox td,.mw-parser-output .infobox th{vertical-align:top;padding:0 .2em}.mw-parser-output .infobox caption{font-size:larger}.mw-parser-output .infobox.bordered{border-collapse:collapse}.mw-parser-output .infobox.bordered td,.mw-parser-output .infobox.bordered th{border:1px solid #aaa}.mw-parser-output .infobox.bordered .borderless td,.mw-parser-output .infobox.bordered .borderless th{border:0}.mw-parser-output .infobox-showbutton button,.mw-parser-output .infobox-showbutton .mw-collapsible-text{color:inherit}.mw-parser-output .infobox.bordered .mergedtoprow td,.mw-parser-output .infobox.bordered .mergedtoprow th{border:0;border-top:1px solid #aaa;border-right:1px solid #aaa}.mw-parser-output .infobox.bordered .mergedrow td,.mw-parser-output .infobox.bordered .mergedrow th{border:0;border-right:1px solid #aaa}.mw-parser-output .infobox.geography{border:1px solid #ccd2d9;text-align:left;border-collapse:collapse;line-height:1.2em;font-size:90%}.mw-parser-output .infobox.geography td,.mw-parser-output .infobox.geography th{border-top:solid 1px #ccd2d9;padding:0.4em 0.6em 0.4em 0.6em}.mw-parser-output .infobox.geography .mergedtoprow td,.mw-parser-output .infobox.geography .mergedtoprow th{border-top:solid 1px #ccd2d9;padding:0.4em 0.6em 0.2em 0.6em}.mw-parser-output .infobox.geography .mergedrow td,.mw-parser-output .infobox.geography .mergedrow th{border:0;padding:0 0.6em 0.2em 0.6em}.mw-parser-output .infobox.geography .mergedbottomrow td,.mw-parser-output .infobox.geography .mergedbottomrow th{border-top:0;border-bottom:solid 1px #ccd2d9;padding:0 0.6em 0.4em 0.6em}.mw-parser-output .infobox.geography .maptable td,.mw-parser-output .infobox.geography .maptable th{border:0;padding:0}</style><table class="infobox" style="border-spacing:3px;"><tbody><tr><td colspan="2" class="" style="padding:2px; text-align:center; font-size: 125%; font-weight: bold; background:#ABCDEF;">Längd</td></tr><tr><th colspan="2" style="text-align:center;background:#ABCDEF;">Grundläggande</th></tr><tr><th style="text-align:left;"><a href="/wiki/Definition" title="Definition">Definition</a></th><td class="" style=""><a href="/wiki/Avst%C3%A5nd" title="Avstånd">Avståndet</a> mellan en <a href="/wiki/Str%C3%A4cka" title="Sträcka">sträckas</a> punkter</td></tr><tr><th style="text-align:left;"><a href="/wiki/Storhet" title="Storhet">Storhetssymbol(er)</a></th><td class="" style=""><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle l}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>l</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle l}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/829091f745070b9eb97a80244129025440a1cfac" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:0.693ex; height:2.176ex;" alt="{\displaystyle l}" /></span>, <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle s}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>s</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle s}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/01d131dfd7673938b947072a13a9744fe997e632" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.09ex; height:1.676ex;" alt="{\displaystyle s}" /></span></td></tr><tr><th colspan="2" style="text-align:center;background:#ABCDEF;">Enheter</th></tr><tr><th style="text-align:left;"><a href="/wiki/SI-enhet" title="SI-enhet">SI-enhet</a></th><td class="" style=""><a href="/wiki/Meter" title="Meter">m</a></td></tr><tr><th style="text-align:left;"><a href="/wiki/Dimensionsanalys" title="Dimensionsanalys">SI-dimension</a></th><td class="" style="">L</td></tr><tr><th style="text-align:left;"><a href="/wiki/CGS-enhet" class="mw-redirect" title="CGS-enhet">CGS-enhet</a></th><td class="" style=""><a href="/wiki/Centimeter" title="Centimeter">cm</a></td></tr><tr><th style="text-align:left;"><a href="/wiki/Dimensionsanalys" title="Dimensionsanalys">CGS-dimension</a></th><td class="" style="">L</td></tr><tr><th style="text-align:left;"><a href="/wiki/Planckenheter" title="Planckenheter">Planckenhet</a></th><td class="" style=""><a href="/wiki/Planckl%C3%A4ngd" title="Plancklängd">Plancklängd</a> (<a href="/wiki/Plancks_konstant" title="Plancks konstant">ħ</a><sup>1/2</sup>·<a href="/wiki/Gravitationskonstanten" title="Gravitationskonstanten">G</a><sup>1/2</sup>·<a href="/wiki/Ljusets_hastighet" title="Ljusets hastighet">c</a><sup>-3/2</sup>)</td></tr><tr><th style="text-align:left;"><a href="/wiki/Dimensionsanalys" title="Dimensionsanalys">Planckdimension</a></th><td class="" style="">L</td></tr><tr><th style="text-align:left;"><a href="/w/index.php?title=Astronomiska_enhetssystemet&action=edit&redlink=1" class="new" title="Astronomiska enhetssystemet [inte skriven än]">Astronomisk enhet</a></th><td class="" style=""><a href="/wiki/Ljus%C3%A5r" title="Ljusår">lj</a>, <a href="/wiki/Astronomisk_enhet" title="Astronomisk enhet">AE</a>, <a href="/wiki/Parsec" title="Parsec">pc</a></td></tr><tr><th style="text-align:left;"><a href="/wiki/Dimensionsanalys" title="Dimensionsanalys">Astronomisk dimension</a></th><td class="" style="">L</td></tr><tr><th style="text-align:left;"><a href="/wiki/Brittiska_m%C3%A5ttenheter" title="Brittiska måttenheter">Angloamerikansk enhet</a></th><td class="" style=""><a href="/wiki/Tum" title="Tum">in</a>, <a href="/wiki/Fot_(enhet)" title="Fot (enhet)">ft.</a>, <a href="/wiki/Yard" title="Yard">yd</a>, <a href="/wiki/Meile" title="Meile">mi</a>, <a href="/wiki/Legua" title="Legua">lea.</a></td></tr><tr><th style="text-align:left;"><a href="/wiki/Dimensionsanalys" title="Dimensionsanalys">Angloamerikansk dimension</a></th><td class="" style="">L</td></tr><tr><th colspan="2" style="text-align:center;background:#ABCDEF;">Anmärkningar</th></tr><tr><th style="text-align:left;">Se även</th><td class="" style=""><a href="/wiki/B%C3%A5gl%C3%A4ngd" title="Båglängd">Båglängd</a> (s); <a href="/wiki/Avst%C3%A5nd" title="Avstånd">avstånd</a> (r); höjd (h); <a href="/wiki/Radie" title="Radie">radie</a> (r); <a href="/wiki/Diameter" title="Diameter">diameter</a> (d); <a href="/wiki/Omkrets" title="Omkrets">omkrets</a> (u); <a href="/wiki/V%C3%A5gl%C3%A4ngd" title="Våglängd">våglängd</a> (λ)</td></tr></tbody></table> <dl class="noexcerpt dablink"><dd><i>För andra betydelser, se <a href="/wiki/L%C3%A4ngd_(olika_betydelser)" class="mw-disambig" title="Längd (olika betydelser)">Längd (olika betydelser)</a>.</i></dd></dl> <hr /> <p><b>Längd</b> är en fysikalisk storhet som anger ett avstånd, till exempel från en punkt där ett objekt börjar till den punkt där det slutar. En vertikal längd kallas även <b>höjd</b>.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-reference-link-bracket">[</span>1<span class="cite-reference-link-bracket">]</span></a></sup> </p><p>Vi har också en intuitiv uppfattning om storheten längd som något fast och oföränderligt. En människas längd kan visserligen variera, men att en meter är konstant skulle de flesta nog anse vara självklart. Desto mer anmärkningsvärt var det därför när <a href="/wiki/Albert_Einstein" title="Albert Einstein">Albert Einstein</a> kunde visa att detta bara nästan är sant. I den <a href="/wiki/Speciella_relativitetsteorin" title="Speciella relativitetsteorin">speciella relativitetsteorin</a> visas att de grundläggande storheterna längd, tid och massa påverkas av den hastighet betraktaren färdas i. De flesta människor kommer dock troligen aldrig att råka ut för någon situation där detta faktum är relevant eller ens mätbart för dem. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Beteckningar">Beteckningar</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=L%C3%A4ngd&veaction=edit&section=1" title="Redigera avsnitt: Beteckningar" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=L%C3%A4ngd&action=edit&section=1" title="Redigera avsnitts källkod: Beteckningar"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Längder mäts oftast i det tredimensionella rummet, och ett föremåls utsträckning längs motsvarande axel betecknas därför vanligen x, y respektive z. </p><p>Om endast en dimension är relevant är även <i>l</i> en vanlig beteckning. <b>Bredd</b> används som beskrivning av en riktning i tvådimensionella (<a href="/wiki/2D" class="mw-redirect" title="2D">2D</a>) och tredimensionella (<a href="/wiki/3D" class="mw-redirect" title="3D">3D</a>) rumsperspektiv. </p> <div class="mw-heading mw-heading2"><h2 id="Längden_av_en_funktionskurva_'"`UNIQ--postMath-00000003-QINU`"'"><span id="L.C3.A4ngden_av_en_funktionskurva_.7F.27.22.60UNIQ--postMath-00000003-QINU.60.22.27.7F"></span>Längden av en funktionskurva <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \varphi (x)}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>φ<!-- φ --></mi> <mo stretchy="false">(</mo> <mi>x</mi> <mo stretchy="false">)</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \varphi (x)}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/4c4046f1f2de7df04bde418ba2bc4d3898ac2385" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:4.659ex; height:2.843ex;" alt="{\displaystyle \varphi (x)}" /></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=L%C3%A4ngd&veaction=edit&section=2" title="Redigera avsnitt: Längden av en funktionskurva '"`UNIQ--postMath-00000003-QINU`"'" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=L%C3%A4ngd&action=edit&section=2" title="Redigera avsnitts källkod: Längden av en funktionskurva '"`UNIQ--postMath-00000003-QINU`"'"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Längden av en styckvis <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle C^{1}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msup> <mi>C</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msup> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle C^{1}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/bd24bae0d7570018e828e19851902c09c618af91" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:2.852ex; height:2.676ex;" alt="{\displaystyle C^{1}}" /></span> kurva </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \varphi (x);x\in [\alpha ,\beta ]}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>φ<!-- φ --></mi> <mo stretchy="false">(</mo> <mi>x</mi> <mo stretchy="false">)</mo> <mo>;</mo> <mi>x</mi> <mo>∈<!-- ∈ --></mo> <mo stretchy="false">[</mo> <mi>α<!-- α --></mi> <mo>,</mo> <mi>β<!-- β --></mi> <mo stretchy="false">]</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \varphi (x);x\in [\alpha ,\beta ]}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/f6608c333b72f964ee904bbd6870aefb519453ac" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:15.011ex; height:2.843ex;" alt="{\displaystyle \varphi (x);x\in [\alpha ,\beta ]}" /></span></dd></dl> <p>definieras som </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle s:=\int _{\alpha }^{\beta }{\sqrt {1+\left({\frac {d\varphi }{dx}}\right)^{2}}}dx}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>s</mi> <mo>:=</mo> <msubsup> <mo>∫<!-- ∫ --></mo> <mrow class="MJX-TeXAtom-ORD"> <mi>α<!-- α --></mi> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mi>β<!-- β --></mi> </mrow> </msubsup> <mrow class="MJX-TeXAtom-ORD"> <msqrt> <mn>1</mn> <mo>+</mo> <msup> <mrow> <mo>(</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <mi>d</mi> <mi>φ<!-- φ --></mi> </mrow> <mrow> <mi>d</mi> <mi>x</mi> </mrow> </mfrac> </mrow> <mo>)</mo> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> </msqrt> </mrow> <mi>d</mi> <mi>x</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle s:=\int _{\alpha }^{\beta }{\sqrt {1+\left({\frac {d\varphi }{dx}}\right)^{2}}}dx}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/8d2703b7cd79fdaf4539cbb9d544e5521d6f25e9" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -3.005ex; width:25.781ex; height:7.676ex;" alt="{\displaystyle s:=\int _{\alpha }^{\beta }{\sqrt {1+\left({\frac {d\varphi }{dx}}\right)^{2}}}dx}" /></span></dd></dl> <p>Detta kan exempelvis motiveras av att ett litet kurvsegments längd kan approximeras av en rak linje, av längd <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \delta s}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>δ<!-- δ --></mi> <mi>s</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \delta s}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/0a28942b162bd8425f3c4e1fa4a974c9d41bd84a" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:2.139ex; height:2.343ex;" alt="{\displaystyle \delta s}" /></span>, som utgör hypotenusan i en rätvinklig triangel med de två övriga sidornas längder som <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \delta \varphi }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>δ<!-- δ --></mi> <mi>φ<!-- φ --></mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \delta \varphi }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/a20ab8d5592114820c259a44b32191b518ab6b12" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:2.569ex; height:2.843ex;" alt="{\displaystyle \delta \varphi }" /></span> och <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \delta x}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>δ<!-- δ --></mi> <mi>x</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \delta x}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/d22318bef6d7358b79bd993321d65d7c1d3db9d4" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:2.378ex; height:2.343ex;" alt="{\displaystyle \delta x}" /></span>. Enligt <a href="/wiki/Pythagoras_sats" title="Pythagoras sats">Pythagoras sats</a> gäller då </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \delta s^{2}=\delta x^{2}+\delta \varphi ^{2}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>δ<!-- δ --></mi> <msup> <mi>s</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <mo>=</mo> <mi>δ<!-- δ --></mi> <msup> <mi>x</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <mo>+</mo> <mi>δ<!-- δ --></mi> <msup> <mi>φ<!-- φ --></mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \delta s^{2}=\delta x^{2}+\delta \varphi ^{2}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/1fae69754df9b3a20c7a814a74368441a06e325b" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:16.188ex; height:3.176ex;" alt="{\displaystyle \delta s^{2}=\delta x^{2}+\delta \varphi ^{2}}" /></span></dd></dl> <p>och därmed, eftersom <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \delta s>0}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>δ<!-- δ --></mi> <mi>s</mi> <mo>></mo> <mn>0</mn> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \delta s>0}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/245809d2e407e9c0e94d9d8cd9d3f5113af905ac" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:6.4ex; height:2.343ex;" alt="{\displaystyle \delta s>0}" /></span> och <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \delta x>0}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>δ<!-- δ --></mi> <mi>x</mi> <mo>></mo> <mn>0</mn> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \delta x>0}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/3df2ec868c4971b50f933577d22b410b4df9e61b" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:6.639ex; height:2.343ex;" alt="{\displaystyle \delta x>0}" /></span> </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \delta s={\sqrt {\delta x^{2}\left(1+\left({\frac {\delta \varphi }{\delta x}}\right)^{2}\right)}}={\sqrt {1+\left({\frac {\delta \varphi }{\delta x}}\right)^{2}}}\delta x}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>δ<!-- δ --></mi> <mi>s</mi> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <msqrt> <mi>δ<!-- δ --></mi> <msup> <mi>x</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <mrow> <mo>(</mo> <mrow> <mn>1</mn> <mo>+</mo> <msup> <mrow> <mo>(</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <mi>δ<!-- δ --></mi> <mi>φ<!-- φ --></mi> </mrow> <mrow> <mi>δ<!-- δ --></mi> <mi>x</mi> </mrow> </mfrac> </mrow> <mo>)</mo> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> </mrow> <mo>)</mo> </mrow> </msqrt> </mrow> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <msqrt> <mn>1</mn> <mo>+</mo> <msup> <mrow> <mo>(</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <mi>δ<!-- δ --></mi> <mi>φ<!-- φ --></mi> </mrow> <mrow> <mi>δ<!-- δ --></mi> <mi>x</mi> </mrow> </mfrac> </mrow> <mo>)</mo> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> </msqrt> </mrow> <mi>δ<!-- δ --></mi> <mi>x</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \delta s={\sqrt {\delta x^{2}\left(1+\left({\frac {\delta \varphi }{\delta x}}\right)^{2}\right)}}={\sqrt {1+\left({\frac {\delta \varphi }{\delta x}}\right)^{2}}}\delta x}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/e7eb26f171759eef718faa35f66439141c51d2db" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -3.171ex; width:46.759ex; height:8.176ex;" alt="{\displaystyle \delta s={\sqrt {\delta x^{2}\left(1+\left({\frac {\delta \varphi }{\delta x}}\right)^{2}\right)}}={\sqrt {1+\left({\frac {\delta \varphi }{\delta x}}\right)^{2}}}\delta x}" /></span></dd></dl> <div class="mw-heading mw-heading2"><h2 id="Enheter">Enheter</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=L%C3%A4ngd&veaction=edit&section=3" title="Redigera avsnitt: Enheter" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=L%C3%A4ngd&action=edit&section=3" title="Redigera avsnitts källkod: Enheter"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Längd har alltid haft en relevans för människan. Detta har medfört att det finns mängder av olika enheter för längd, som utvecklats i olika kulturer. </p><p>I <a href="/wiki/Internationella_m%C3%A5ttenhetssystemet" title="Internationella måttenhetssystemet">Internationella måttenhetssystemet</a> (SI) används <a href="/wiki/Meter" title="Meter">meter</a> som enheter för att mäta längd. Tillsammans med storheterna tid och massa kan många enheter inom mekaniken härledas; vanligast är <a href="/wiki/Hastighet" title="Hastighet">hastighet</a>, <a href="/wiki/Acceleration" title="Acceleration">acceleration</a>, <a href="/wiki/Kraft" title="Kraft">kraft</a>, <a href="/wiki/Energi" title="Energi">energi</a> och <a href="/wiki/Effekt" title="Effekt">effekt</a>. </p><p>Det finns ett stort antal mått som inte ingår i SI. Många äldre längdmått baserades på olika mått på människan, till exempel <a href="/wiki/Tum" title="Tum">tum</a>, <a href="/wiki/Fot_(enhet)" title="Fot (enhet)">fot</a>, <a href="/wiki/Aln" title="Aln">aln</a>, <a href="/wiki/Famn" title="Famn">famn</a>. För mycket små mått, i storleksordningen nere på <a href="/wiki/Atom" title="Atom">atomstorlek</a>, finns <a href="/wiki/%C3%85ngstr%C3%B6m" title="Ångström">ångström</a>. För större mått finns <a href="/wiki/St%C3%A5ng_(l%C3%A4ngdm%C3%A5tt)" title="Stång (längdmått)">stång</a>, olika varianter av <a href="/wiki/Mil" title="Mil">mil</a> så som till exempel <a href="/wiki/Engelsk_mil" title="Engelsk mil">Engelsk mil</a>. Inom sjöfarten används <a href="/wiki/Kabell%C3%A4ngd" title="Kabellängd">kabellängd</a> och <a href="/wiki/Nautisk_mil" title="Nautisk mil">nautisk mil</a>. För att beskriva extremt stora avstånd, så som man har behov av i astronomi, finns <a href="/wiki/Astronomisk_enhet" title="Astronomisk enhet">astronomisk enhet</a> och <a href="/wiki/Ljus%C3%A5r" title="Ljusår">ljusår</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Källor"><span id="K.C3.A4llor"></span>Källor</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=L%C3%A4ngd&veaction=edit&section=4" title="Redigera avsnitt: Källor" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=L%C3%A4ngd&action=edit&section=4" title="Redigera avsnitts källkod: Källor"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><a href="#cite_ref-1">^</a> <span class="reference-text"><cite class="book" style="font-style:normal"><i><a 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mall" style="border:none;;">v</span></a> <span style="font-size:80%;">•</span> <a class="external text" href="https://sv.wikipedia.org/w/index.php?title=Mall:SI&action=edit"><span style="border:none;;" title="Redigera den här mallen">r</span></a></div></div><span style="font-size:110%;"><a href="/wiki/Internationella_m%C3%A5ttenhetssystemet" title="Internationella måttenhetssystemet">Internationella måttenhetssystemet</a> (SI)</span></th></tr><tr style="height:2px;"><td></td></tr><tr><td class="navbox-group" style=";;"><a href="/wiki/SI-enhet#Grundenheter" title="SI-enhet">Grundenheter</a></td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-odd"><div style="padding:0em 0.25em"><div> <ul><li><span style="white-space:nowrap"><a href="/wiki/Elektrisk_str%C3%B6m" title="Elektrisk ström">Elektrisk ström</a>: <a href="/wiki/Ampere" title="Ampere">ampere</a> (A)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Ljusstyrka" title="Ljusstyrka">Ljusstyrka</a>: <a href="/wiki/Candela" title="Candela">candela</a> (cd)</span></li> <li><span style="white-space:nowrap"><a class="mw-selflink selflink">Längd</a>: <a href="/wiki/Meter" title="Meter">meter</a> (m)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Massa" title="Massa">Massa</a>: <a href="/wiki/Kilogram" title="Kilogram">kilogram</a> (kg)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Substansm%C3%A4ngd" title="Substansmängd">Substansmängd</a>: <a href="/wiki/Mol" title="Mol">mol</a> (mol)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Temperatur" title="Temperatur">Temperatur</a>: <a href="/wiki/Kelvin" title="Kelvin">kelvin</a> (K)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Tid" title="Tid">Tid</a>: <a href="/wiki/Sekund" title="Sekund">sekund</a> (s)</span></li></ul> </div></div></td><td style="width:0%;padding:0px 0px 0px 2px;" rowspan="5"><span typeof="mw:File"><a href="/wiki/Fil:SI_base_units.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/38/SI_base_units.svg/100px-SI_base_units.svg.png" decoding="async" width="100" height="100" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/38/SI_base_units.svg/150px-SI_base_units.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/38/SI_base_units.svg/200px-SI_base_units.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";;"><a href="/wiki/SI-enhet#Härledda_enheter" title="SI-enhet">Härledda enheter</a></td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-even"><div style="padding:0em 0.25em"><div> <ul><li><span style="white-space:nowrap"><a href="/wiki/Effekt" title="Effekt">Effekt</a>: <a href="/wiki/Watt" title="Watt">watt</a> (W)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Elektrisk_laddning" title="Elektrisk laddning">Elektrisk laddning</a>: <a href="/wiki/Coulomb" title="Coulomb">coulomb</a> (C)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Elektrisk_sp%C3%A4nning" title="Elektrisk spänning">Elektrisk spänning</a>: <a href="/wiki/Volt" title="Volt">volt</a> (V)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Energi" title="Energi">Energi</a>: <a href="/wiki/Joule" title="Joule">joule</a> (J)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Frekvens" title="Frekvens">Frekvens</a>: <a href="/wiki/Hertz" title="Hertz">hertz</a> (Hz)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Illuminans" title="Illuminans">Illuminans</a>: <a href="/wiki/Lux_(enhet)" title="Lux (enhet)">lux</a> (lx)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Induktans" title="Induktans">Induktans</a>: <a href="/wiki/Henry_(enhet)" title="Henry (enhet)">henry</a> (H)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Kapacitans" title="Kapacitans">Kapacitans</a>: <a href="/wiki/Farad" title="Farad">farad</a> (F)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Katalys" title="Katalys">Katalytisk aktivitet</a>: <a href="/wiki/Katal" title="Katal">katal</a> (kat)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Konduktans" title="Konduktans">Konduktans</a>: <a href="/wiki/Siemens_(enhet)" title="Siemens (enhet)">siemens</a> (S)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Kraft" title="Kraft">Kraft</a>: <a href="/wiki/Newton_(enhet)" title="Newton (enhet)">newton</a> (N)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Ljusfl%C3%B6de" title="Ljusflöde">Ljusflöde</a>: <a href="/wiki/Lumen_(enhet)" title="Lumen (enhet)">lumen</a> (lm)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Magnetiskt_fl%C3%B6de" class="mw-redirect" title="Magnetiskt flöde">Magnetiskt flöde</a>: <a href="/wiki/Weber_(enhet)" title="Weber (enhet)">weber</a> (Wb)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Magnetisk_fl%C3%B6dest%C3%A4thet" class="mw-redirect" title="Magnetisk flödestäthet">Magnetisk flödestäthet</a>: <a href="/wiki/Tesla_(enhet)" title="Tesla (enhet)">tesla</a> (T)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Mekanisk_sp%C3%A4nning" title="Mekanisk spänning">Mekanisk spänning</a> och <a href="/wiki/Tryck" title="Tryck">tryck</a>: <a href="/wiki/Pascal_(enhet)" title="Pascal (enhet)">pascal</a> (Pa)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Resistans" title="Resistans">Resistans</a>: <a href="/wiki/Ohm" title="Ohm">ohm</a> (Ω)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Rymdvinkel" title="Rymdvinkel">Rymdvinkel</a>: <a href="/wiki/Steradian" title="Steradian">steradian</a> (sr)</span></li> <li><span style="white-space:nowrap"><a 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