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<span>Nanosecond</span> </div> </a> <ul id="toc-Nanosecond-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#See_also"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>See also</span> </div> </a> <ul id="toc-See_also-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>References</span> </div> </a> <ul id="toc-References-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="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" 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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="Go to an article in another language. Available in 52 languages" > <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-52" 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">52 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%86%D8%A7%D9%86%D9%88_(%D8%B3%D8%A7%D8%A8%D9%82%D8%A9)" title="نانو (سابقة) – Arabic" lang="ar" hreflang="ar" data-title="نانو (سابقة)" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%9D%D0%B0%D0%BD%D0%B0-" title="Нана- – Belarusian" lang="be" hreflang="be" data-title="Нана-" data-language-autonym="Беларуская" data-language-local-name="Belarusian" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9D%D0%B0%D0%BD%D0%BE-" title="Нано- – Bulgarian" lang="bg" hreflang="bg" data-title="Нано-" data-language-autonym="Български" data-language-local-name="Bulgarian" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-br mw-list-item"><a href="https://br.wikipedia.org/wiki/Nano" title="Nano – Breton" lang="br" hreflang="br" data-title="Nano" data-language-autonym="Brezhoneg" data-language-local-name="Breton" 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/Nano-" title="Nano- – Catalan" lang="ca" hreflang="ca" data-title="Nano-" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Nano" title="Nano – Czech" lang="cs" hreflang="cs" data-title="Nano" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Nano-" title="Nano- – Danish" lang="da" hreflang="da" data-title="Nano-" data-language-autonym="Dansk" data-language-local-name="Danish" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Nano-" title="Nano- – Estonian" lang="et" hreflang="et" data-title="Nano-" data-language-autonym="Eesti" data-language-local-name="Estonian" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Nano_(prefijo)" title="Nano (prefijo) – Spanish" lang="es" hreflang="es" data-title="Nano (prefijo)" data-language-autonym="Español" data-language-local-name="Spanish" 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/Nano_(SI)" title="Nano (SI) – Esperanto" lang="eo" hreflang="eo" data-title="Nano (SI)" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Nano_(Nazioarteko_Unitate_Sistemarako_aurrizkia)" title="Nano (Nazioarteko Unitate Sistemarako aurrizkia) – Basque" lang="eu" hreflang="eu" data-title="Nano (Nazioarteko Unitate Sistemarako aurrizkia)" data-language-autonym="Euskara" data-language-local-name="Basque" 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/%D9%86%D8%A7%D9%86%D9%88" title="نانو – Persian" lang="fa" hreflang="fa" data-title="نانو" data-language-autonym="فارسی" data-language-local-name="Persian" 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/Nano" title="Nano – French" lang="fr" hreflang="fr" data-title="Nano" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Nano-" title="Nano- – Galician" lang="gl" hreflang="gl" data-title="Nano-" data-language-autonym="Galego" data-language-local-name="Galician" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EB%82%98%EB%85%B8" title="나노 – Korean" lang="ko" hreflang="ko" data-title="나노" data-language-autonym="한국어" data-language-local-name="Korean" 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/%D5%86%D5%A1%D5%B6%D5%B8" title="Նանո – Armenian" lang="hy" hreflang="hy" data-title="Նանո" data-language-autonym="Հայերեն" data-language-local-name="Armenian" 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%85%E0%A4%B0%E0%A5%8D%E0%A4%AC%E0%A4%BF-" title="अर्बि- – Hindi" lang="hi" hreflang="hi" data-title="अर्बि-" data-language-autonym="हिन्दी" data-language-local-name="Hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Nano-" title="Nano- – Indonesian" lang="id" hreflang="id" data-title="Nano-" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Nan%C3%B3" title="Nanó – Icelandic" lang="is" hreflang="is" data-title="Nanó" data-language-autonym="Íslenska" data-language-local-name="Icelandic" 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/Nano_(prefisso)" title="Nano (prefisso) – Italian" lang="it" hreflang="it" data-title="Nano (prefisso)" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%9C%E1%83%90%E1%83%9C%E1%83%9D..." title="ნანო... – Georgian" lang="ka" hreflang="ka" data-title="ნანო..." data-language-autonym="ქართული" data-language-local-name="Georgian" 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/%D0%9D%D0%B0%D0%BD%D0%BE-" title="Нано- – Kazakh" lang="kk" hreflang="kk" data-title="Нано-" data-language-autonym="Қазақша" data-language-local-name="Kazakh" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Nano" title="Nano – Latvian" lang="lv" hreflang="lv" data-title="Nano" data-language-autonym="Latviešu" data-language-local-name="Latvian" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Nano-" title="Nano- – Lithuanian" lang="lt" hreflang="lt" data-title="Nano-" data-language-autonym="Lietuvių" data-language-local-name="Lithuanian" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Nano_(prefixum)" title="Nano (prefixum) – Hungarian" lang="hu" hreflang="hu" data-title="Nano (prefixum)" data-language-autonym="Magyar" data-language-local-name="Hungarian" 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%9D%D0%B0%D0%BD%D0%BE-" title="Нано- – Macedonian" lang="mk" hreflang="mk" data-title="Нано-" data-language-autonym="Македонски" data-language-local-name="Macedonian" 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%B4%BE%E0%B4%A8%E0%B5%8B-" title="നാനോ- – Malayalam" lang="ml" hreflang="ml" data-title="നാനോ-" 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%A8%E0%A5%85%E0%A4%A8%E0%A5%8B" title="नॅनो – Marathi" lang="mr" hreflang="mr" data-title="नॅनो" data-language-autonym="मराठी" data-language-local-name="Marathi" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/%E1%80%94%E1%80%94%E1%80%BA%E1%80%94%E1%80%AD%E1%80%AF" title="နန်နို – Burmese" lang="my" hreflang="my" data-title="နန်နို" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="Burmese" 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/Nano_(SI-prefix)" title="Nano (SI-prefix) – Dutch" lang="nl" hreflang="nl" data-title="Nano (SI-prefix)" data-language-autonym="Nederlands" data-language-local-name="Dutch" 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/%E3%83%8A%E3%83%8E" title="ナノ – Japanese" lang="ja" hreflang="ja" data-title="ナノ" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Nano" title="Nano – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="Nano" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian 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/Nano" title="Nano – Norwegian Nynorsk" lang="nn" hreflang="nn" data-title="Nano" data-language-autonym="Norsk nynorsk" data-language-local-name="Norwegian Nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-km mw-list-item"><a href="https://km.wikipedia.org/wiki/%E1%9E%8E%E1%9E%B6%E1%9E%8E%E1%9E%BC" title="ណាណូ – Khmer" lang="km" hreflang="km" data-title="ណាណូ" data-language-autonym="ភាសាខ្មែរ" data-language-local-name="Khmer" class="interlanguage-link-target"><span>ភាសាខ្មែរ</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Nano" title="Nano – Low German" lang="nds" hreflang="nds" data-title="Nano" data-language-autonym="Plattdüütsch" data-language-local-name="Low German" 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/Nano" title="Nano – Polish" lang="pl" hreflang="pl" data-title="Nano" data-language-autonym="Polski" data-language-local-name="Polish" 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/Nano" title="Nano – Portuguese" lang="pt" hreflang="pt" data-title="Nano" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ksh mw-list-item"><a href="https://ksh.wikipedia.org/wiki/Nano" title="Nano – Colognian" lang="ksh" hreflang="ksh" data-title="Nano" data-language-autonym="Ripoarisch" data-language-local-name="Colognian" class="interlanguage-link-target"><span>Ripoarisch</span></a></li><li class="interlanguage-link interwiki-rue mw-list-item"><a href="https://rue.wikipedia.org/wiki/%D0%9D%D0%B0%D0%BD%D0%BE-" title="Нано- – Rusyn" lang="rue" hreflang="rue" data-title="Нано-" 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%9D%D0%B0%D0%BD%D0%BE-" title="Нано- – Russian" lang="ru" hreflang="ru" data-title="Нано-" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-scn mw-list-item"><a href="https://scn.wikipedia.org/wiki/Nano_(prifissu)" title="Nano (prifissu) – Sicilian" lang="scn" hreflang="scn" data-title="Nano (prifissu)" data-language-autonym="Sicilianu" data-language-local-name="Sicilian" class="interlanguage-link-target"><span>Sicilianu</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Nano-" title="Nano- – Simple English" lang="en-simple" hreflang="en-simple" data-title="Nano-" 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-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Nano" title="Nano – Slovenian" lang="sl" hreflang="sl" data-title="Nano" data-language-autonym="Slovenščina" data-language-local-name="Slovenian" 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/%D9%86%D8%A7%D9%86%DB%86-" title="نانۆ- – Central Kurdish" lang="ckb" hreflang="ckb" data-title="نانۆ-" data-language-autonym="کوردی" data-language-local-name="Central Kurdish" 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%9D%D0%B0%D0%BD%D0%BE" title="Нано – Serbian" lang="sr" hreflang="sr" data-title="Нано" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Nano_(kerrannaisyksikk%C3%B6)" title="Nano (kerrannaisyksikkö) – Finnish" lang="fi" hreflang="fi" data-title="Nano (kerrannaisyksikkö)" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Nano" title="Nano – Swedish" lang="sv" hreflang="sv" data-title="Nano" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%A8%E0%B0%BE%E0%B0%A8%E0%B1%8B-" title="నానో- – Telugu" lang="te" hreflang="te" data-title="నానో-" data-language-autonym="తెలుగు" data-language-local-name="Telugu" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Nano-" title="Nano- – Turkish" lang="tr" hreflang="tr" data-title="Nano-" data-language-autonym="Türkçe" data-language-local-name="Turkish" 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%9D%D0%B0%D0%BD%D0%BE-" title="Нано- – Ukrainian" lang="uk" hreflang="uk" data-title="Нано-" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Nano-" title="Nano- – Vietnamese" lang="vi" hreflang="vi" data-title="Nano-" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E5%A5%88" title="奈 – Chinese" lang="zh" hreflang="zh" data-title="奈" data-language-autonym="中文" data-language-local-name="Chinese" 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/Q154357#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</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="Namespaces"> <div 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<div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</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="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">SI prefix denoting 10 to the -9th power</div> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">This article is about the SI prefix. For other uses, see <a href="/wiki/Nano_(disambiguation)" class="mw-redirect mw-disambig" title="Nano (disambiguation)">Nano (disambiguation)</a>.</div> <style data-mw-deduplicate="TemplateStyles:r1251242444">.mw-parser-output .ambox{border:1px solid #a2a9b1;border-left:10px solid #36c;background-color:#fbfbfb;box-sizing:border-box}.mw-parser-output .ambox+link+.ambox,.mw-parser-output .ambox+link+style+.ambox,.mw-parser-output .ambox+link+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+style+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+link+.ambox{margin-top:-1px}html body.mediawiki .mw-parser-output .ambox.mbox-small-left{margin:4px 1em 4px 0;overflow:hidden;width:238px;border-collapse:collapse;font-size:88%;line-height:1.25em}.mw-parser-output .ambox-speedy{border-left:10px solid #b32424;background-color:#fee7e6}.mw-parser-output .ambox-delete{border-left:10px solid #b32424}.mw-parser-output .ambox-content{border-left:10px solid #f28500}.mw-parser-output .ambox-style{border-left:10px solid #fc3}.mw-parser-output .ambox-move{border-left:10px solid #9932cc}.mw-parser-output .ambox-protection{border-left:10px solid #a2a9b1}.mw-parser-output .ambox .mbox-text{border:none;padding:0.25em 0.5em;width:100%}.mw-parser-output .ambox .mbox-image{border:none;padding:2px 0 2px 0.5em;text-align:center}.mw-parser-output .ambox .mbox-imageright{border:none;padding:2px 0.5em 2px 0;text-align:center}.mw-parser-output .ambox .mbox-empty-cell{border:none;padding:0;width:1px}.mw-parser-output .ambox .mbox-image-div{width:52px}@media(min-width:720px){.mw-parser-output .ambox{margin:0 10%}}@media print{body.ns-0 .mw-parser-output .ambox{display:none!important}}</style><table class="box-More_citations_needed plainlinks metadata ambox ambox-content ambox-Refimprove" role="presentation"><tbody><tr><td class="mbox-image"><div class="mbox-image-div"><span typeof="mw:File"><a href="/wiki/File:Question_book-new.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/50px-Question_book-new.svg.png" decoding="async" width="50" height="39" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/75px-Question_book-new.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/100px-Question_book-new.svg.png 2x" data-file-width="512" data-file-height="399" /></a></span></div></td><td class="mbox-text"><div class="mbox-text-span">This article <b>needs additional citations for <a href="/wiki/Wikipedia:Verifiability" title="Wikipedia:Verifiability">verification</a></b>.<span class="hide-when-compact"> Please help <a href="/wiki/Special:EditPage/Nano-" title="Special:EditPage/Nano-">improve this article</a> by <a href="/wiki/Help:Referencing_for_beginners" title="Help:Referencing for beginners">adding citations to reliable sources</a>. Unsourced material may be challenged and removed.<br /><small><span class="plainlinks"><i>Find sources:</i> <a rel="nofollow" class="external text" href="https://www.google.com/search?as_eq=wikipedia&q=%22Nano-%22">"Nano-"</a> – <a rel="nofollow" class="external text" href="https://www.google.com/search?tbm=nws&q=%22Nano-%22+-wikipedia&tbs=ar:1">news</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?&q=%22Nano-%22&tbs=bkt:s&tbm=bks">newspapers</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?tbs=bks:1&q=%22Nano-%22+-wikipedia">books</a> <b>·</b> <a rel="nofollow" class="external text" href="https://scholar.google.com/scholar?q=%22Nano-%22">scholar</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.jstor.org/action/doBasicSearch?Query=%22Nano-%22&acc=on&wc=on">JSTOR</a></span></small></span> <span class="date-container"><i>(<span class="date">January 2020</span>)</i></span><span class="hide-when-compact"><i> (<small><a href="/wiki/Help:Maintenance_template_removal" title="Help:Maintenance template removal">Learn how and when to remove this message</a></small>)</i></span></div></td></tr></tbody></table> <style data-mw-deduplicate="TemplateStyles:r1235681985">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid #aaa;font-size:88%;line-height:1.25em;background-color:var(--background-color-interactive-subtle,#f8f9fa);display:flow-root}.mw-parser-output .side-box-abovebelow,.mw-parser-output .side-box-text{padding:0.25em 0.9em}.mw-parser-output .side-box-image{padding:2px 0 2px 0.9em;text-align:center}.mw-parser-output .side-box-imageright{padding:2px 0.9em 2px 0;text-align:center}@media(min-width:500px){.mw-parser-output .side-box-flex{display:flex;align-items:center}.mw-parser-output .side-box-text{flex:1;min-width:0}}@media(min-width:720px){.mw-parser-output .side-box{width:238px}.mw-parser-output .side-box-right{clear:right;float:right;margin-left:1em}.mw-parser-output .side-box-left{margin-right:1em}}</style><style data-mw-deduplicate="TemplateStyles:r1237033735">@media print{body.ns-0 .mw-parser-output .sistersitebox{display:none!important}}@media screen{html.skin-theme-clientpref-night .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}</style><div class="side-box side-box-right plainlinks sistersitebox"><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style> <div class="side-box-flex"> <div class="side-box-image"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/40px-Wiktionary-logo-en-v2.svg.png" decoding="async" width="40" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/60px-Wiktionary-logo-en-v2.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/80px-Wiktionary-logo-en-v2.svg.png 2x" data-file-width="512" data-file-height="512" /></span></span></div> <div class="side-box-text plainlist">Look up <i><b><a href="https://en.wiktionary.org/wiki/nano-" class="extiw" title="wiktionary:nano-">nano-</a></b></i> in Wiktionary, the free dictionary.</div></div> </div> <p><b>Nano</b> (symbol <b>n</b>) is a <a href="/wiki/Unit_prefix" title="Unit prefix">unit prefix</a> meaning one <a href="/wiki/Billionth" class="mw-redirect" title="Billionth">billionth</a>. Used primarily with the <a href="/wiki/Metric_system" title="Metric system">metric system</a>, this prefix denotes a factor of 10<sup>−9</sup> or <span style="white-space:nowrap">0.000<span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">001</span></span>. It is frequently encountered in <a href="/wiki/Science" title="Science">science</a> and <a href="/wiki/Electronics" title="Electronics">electronics</a> for prefixing <a href="/wiki/Unit_of_measurement" title="Unit of measurement">units</a> of <a href="/wiki/Time" title="Time">time</a> and <a href="/wiki/Length" title="Length">length</a>. </p> <dl><dt>Examples</dt> <dd></dd></dl> <ul><li>Three gold atoms lined up are about one <a href="/wiki/Nanometer" class="mw-redirect" title="Nanometer">nanometer</a> (nm) long.</li> <li>If a <a href="/wiki/Marble_(toy)" title="Marble (toy)">toy marble</a> were scaled down to one nanometer wide, Earth would scale to about 1 meter (3.3 ft) wide.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></li> <li>One <a href="/wiki/Nanosecond" title="Nanosecond">nanosecond</a> (ns) is about the time required for light to travel 30 cm in air, or 20 cm in an optical fiber.</li> <li>One nanometer per second (nm/s) is approximately the speed that a fingernail grows.</li></ul> <p>The prefix derives from the Greek <span title="Ancient Greek (to 1453)-language text"><span lang="grc"><a href="https://en.wiktionary.org/wiki/%CE%BD%E1%BE%B6%CE%BD%CE%BF%CF%82" class="extiw" title="wiktionary:νᾶνος">νᾶνος</a></span></span> (Latin <span title="Latin-language text"><i lang="la">nanus</i></span>), meaning "dwarf". The <a href="/wiki/General_Conference_on_Weights_and_Measures" title="General Conference on Weights and Measures">General Conference on Weights and Measures</a> (CGPM) officially endorsed the usage of <i>nano</i> as a standard prefix in 1960. </p><p>When used as a <a href="/wiki/Prefix" title="Prefix">prefix</a> for something other than a unit of measure (as for example in words like "nanoscience"), <b>nano</b> refers to <a href="/wiki/Nanotechnology" title="Nanotechnology">nanotechnology</a>, or means "on a scale of nanometres" (<a href="/wiki/Nanoscale" class="mw-redirect" title="Nanoscale">nanoscale</a>). </p> <table class="wikitable" style="padding: 0; text-align: center; width: 0"> <caption><style data-mw-deduplicate="TemplateStyles:r1045256916">.mw-parser-output .navbar-header{text-align:center;position:relative;white-space:nowrap}.mw-parser-output .navbar-header .navbar{position:absolute;right:0;top:0;margin:0 5px}</style><div class="navbar-header"><a href="/wiki/Metric_prefix" 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.hlist dt:last-child::after,.mw-parser-output .hlist li:last-child::after{content:none}.mw-parser-output .hlist dd dd:first-child::before,.mw-parser-output .hlist dd dt:first-child::before,.mw-parser-output .hlist dd li:first-child::before,.mw-parser-output .hlist dt dd:first-child::before,.mw-parser-output .hlist dt dt:first-child::before,.mw-parser-output .hlist dt li:first-child::before,.mw-parser-output .hlist li dd:first-child::before,.mw-parser-output .hlist li dt:first-child::before,.mw-parser-output .hlist li li:first-child::before{content:" (";font-weight:normal}.mw-parser-output .hlist dd dd:last-child::after,.mw-parser-output .hlist dd dt:last-child::after,.mw-parser-output .hlist dd li:last-child::after,.mw-parser-output .hlist dt dd:last-child::after,.mw-parser-output .hlist dt dt:last-child::after,.mw-parser-output .hlist dt li:last-child::after,.mw-parser-output .hlist li dd:last-child::after,.mw-parser-output .hlist li dt:last-child::after,.mw-parser-output .hlist li li:last-child::after{content:")";font-weight:normal}.mw-parser-output .hlist ol{counter-reset:listitem}.mw-parser-output .hlist ol>li{counter-increment:listitem}.mw-parser-output .hlist ol>li::before{content:" "counter(listitem)"\a0 "}.mw-parser-output .hlist dd ol>li:first-child::before,.mw-parser-output .hlist dt ol>li:first-child::before,.mw-parser-output .hlist li ol>li:first-child::before{content:" ("counter(listitem)"\a0 "}</style><style data-mw-deduplicate="TemplateStyles:r1239400231">.mw-parser-output .navbar{display:inline;font-size:88%;font-weight:normal}.mw-parser-output .navbar-collapse{float:left;text-align:left}.mw-parser-output .navbar-boxtext{word-spacing:0}.mw-parser-output .navbar ul{display:inline-block;white-space:nowrap;line-height:inherit}.mw-parser-output .navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}html.skin-theme-clientpref-night .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:SI_prefixes_(infobox)" title="Template:SI prefixes (infobox)"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:SI_prefixes_(infobox)" title="Template talk:SI prefixes (infobox)"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:SI_prefixes_(infobox)" title="Special:EditPage/Template:SI prefixes (infobox)"><abbr title="Edit this template">e</abbr></a></li></ul></div></div> </caption> <tbody><tr> <th colspan="2">Prefix</th> <th rowspan="2">Base 10 </th> <th rowspan="2"><a href="/wiki/Decimal" title="Decimal">Decimal</a> </th> <th rowspan="2">Adoption<br /><sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>nb 1<span class="cite-bracket">]</span></a></sup> </th></tr> <tr> <th>Name</th> <th>Symbol </th></tr> <tr> <td>quetta</td> <td>Q</td> <td style="text-align:left;"><a href="/wiki/Orders_of_magnitude_(numbers)#1030" title="Orders of magnitude (numbers)">10<sup>30</sup></a> </td> <td style="text-align:right; font-variant-numeric: tabular-nums;"><span style="white-space:nowrap">1<span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span></span></td> <td rowspan="2">2022<sup id="cite_ref-newUnitAdoption_3-0" class="reference"><a href="#cite_note-newUnitAdoption-3"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td>ronna</td> <td>R</td> <td style="text-align:left;"><a href="/wiki/Orders_of_magnitude_(numbers)#1027" title="Orders of magnitude (numbers)">10<sup>27</sup></a> </td> <td style="text-align:right; font-variant-numeric: tabular-nums;"><span style="white-space:nowrap">1<span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span></span> </td></tr> <tr> <td>yotta</td> <td>Y</td> <td style="text-align:left;"><a href="/wiki/Orders_of_magnitude_(numbers)#1024" title="Orders of magnitude (numbers)">10<sup>24</sup></a> </td> <td style="text-align:right; font-variant-numeric: tabular-nums;"><span style="white-space:nowrap">1<span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span></span></td> <td rowspan="2">1991 </td></tr> <tr> <td>zetta</td> <td>Z</td> <td style="text-align:left;"><a href="/wiki/Orders_of_magnitude_(numbers)#1021" title="Orders of magnitude (numbers)">10<sup>21</sup></a> </td> <td style="text-align:right; font-variant-numeric: tabular-nums;"><span style="white-space:nowrap">1<span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span></span> </td></tr> <tr> <td>exa</td> <td>E</td> <td style="text-align:left;"><a href="/wiki/Orders_of_magnitude_(numbers)#1018" title="Orders of magnitude (numbers)">10<sup>18</sup></a> </td> <td style="text-align:right; font-variant-numeric: tabular-nums;"><span style="white-space:nowrap">1<span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span></span></td> <td rowspan="2">1975<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td>peta</td> <td>P</td> <td style="text-align:left;"><a href="/wiki/Orders_of_magnitude_(numbers)#1015" title="Orders of magnitude (numbers)">10<sup>15</sup></a> </td> <td style="text-align:right; font-variant-numeric: tabular-nums;"><span style="white-space:nowrap">1<span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span></span> </td></tr> <tr> <td>tera</td> <td>T</td> <td style="text-align:left;"><a href="/wiki/Orders_of_magnitude_(numbers)#1012" title="Orders of magnitude (numbers)">10<sup>12</sup></a> </td> <td style="text-align:right; font-variant-numeric: tabular-nums;"><span style="white-space:nowrap">1<span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span></span></td> <td rowspan="2">1960 </td></tr> <tr> <td><a href="/wiki/Giga-" title="Giga-">giga</a></td> <td>G</td> <td style="text-align:left;"><a href="/wiki/1,000,000,000" title="1,000,000,000">10<sup>9</sup></a> </td> <td style="text-align:right; font-variant-numeric: tabular-nums;"><span style="white-space:nowrap">1<span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span></span> </td></tr> <tr> <td><a href="/wiki/Mega-" title="Mega-">mega</a></td> <td>M</td> <td style="text-align:left;"><a href="/wiki/1,000,000" title="1,000,000">10<sup>6</sup></a> </td> <td style="text-align:right; font-variant-numeric: tabular-nums;"><span style="white-space:nowrap">1<span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span></span></td> <td>1873 </td></tr> <tr> <td><a href="/wiki/Kilo-" title="Kilo-">kilo</a></td> <td>k</td> <td style="text-align:left;"><a href="/wiki/1000_(number)" title="1000 (number)">10<sup>3</sup></a> </td> <td style="text-align:right; font-variant-numeric: tabular-nums;"><span style="white-space:nowrap">1<span style="margin-left:0.25em">000</span></span></td> <td rowspan="3">1795 </td></tr> <tr> <td><a href="/wiki/Hecto-" title="Hecto-">hecto</a></td> <td>h</td> <td style="text-align:left;"><a href="/wiki/100" title="100">10<sup>2</sup></a></td> <td style="text-align:right; font-variant-numeric: tabular-nums;">100 </td></tr> <tr> <td><a href="/wiki/Deca-" title="Deca-">deca</a></td> <td>da</td> <td style="text-align:left;"><a href="/wiki/10" title="10">10<sup>1</sup></a></td> <td style="text-align:right; font-variant-numeric: tabular-nums;">10 </td></tr> <tr style="background:#EAECF0;color:black;"> <td>—</td> <td>—</td> <td style="text-align:left;"><a href="/wiki/1" title="1">10<sup>0</sup></a></td> <td style="font-variant-numeric: tabular-nums;">1</td> <td>— </td></tr> <tr> <td><a href="/wiki/Deci-" title="Deci-">deci</a></td> <td>d</td> <td style="text-align:left;"><a href="/wiki/Orders_of_magnitude_(numbers)#10-1" title="Orders of magnitude (numbers)">10<sup>−1</sup></a> </td> <td style="text-align:left; font-variant-numeric: tabular-nums;">0.1</td> <td rowspan="3">1795 </td></tr> <tr> <td><a href="/wiki/Centi-" title="Centi-">centi</a></td> <td>c</td> <td style="text-align:left;"><a href="/wiki/Orders_of_magnitude_(numbers)#10−2" title="Orders of magnitude (numbers)">10<sup>−2</sup></a> </td> <td style="text-align:left; font-variant-numeric: tabular-nums;">0.01 </td></tr> <tr> <td><a href="/wiki/Milli-" title="Milli-">milli</a></td> <td>m</td> <td style="text-align:left;"><a href="/wiki/Orders_of_magnitude_(numbers)#10−3" title="Orders of magnitude (numbers)">10<sup>−3</sup></a> </td> <td style="text-align:left; font-variant-numeric: tabular-nums;">0.001 </td></tr> <tr> <td><a href="/wiki/Micro-" title="Micro-">micro</a></td> <td>μ</td> <td style="text-align:left;"><a href="/wiki/Orders_of_magnitude_(numbers)#10−6" title="Orders of magnitude (numbers)">10<sup>−6</sup></a> </td> <td style="text-align:left; font-variant-numeric: tabular-nums;"><span style="white-space:nowrap">0.000<span style="margin-left:0.25em">001</span></span></td> <td>1873 </td></tr> <tr> <td><a class="mw-selflink selflink">nano</a></td> <td>n</td> <td style="text-align:left;"><a href="/wiki/Orders_of_magnitude_(numbers)#10−9" title="Orders of magnitude (numbers)">10<sup>−9</sup></a> </td> <td style="text-align:left; font-variant-numeric: tabular-nums;"><span style="white-space:nowrap">0.000<span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">001</span></span></td> <td rowspan="2">1960 </td></tr> <tr> <td>pico</td> <td>p</td> <td style="text-align:left;"><a href="/wiki/Orders_of_magnitude_(numbers)#10−12" title="Orders of magnitude (numbers)">10<sup>−12</sup></a> </td> <td style="text-align:left; font-variant-numeric: tabular-nums;"><span style="white-space:nowrap">0.000<span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">001</span></span> </td></tr> <tr> <td>femto</td> <td>f</td> <td style="text-align:left;"><a href="/wiki/Orders_of_magnitude_(numbers)#10−15" title="Orders of magnitude (numbers)">10<sup>−15</sup></a> </td> <td style="text-align:left; font-variant-numeric: tabular-nums;"><span style="white-space:nowrap">0.000<span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">001</span></span></td> <td rowspan="2">1964 </td></tr> <tr> <td>atto</td> <td>a</td> <td style="text-align:left;"><a href="/wiki/Orders_of_magnitude_(numbers)#10−18" title="Orders of magnitude (numbers)">10<sup>−18</sup></a> </td> <td style="text-align:left; font-variant-numeric: tabular-nums;"><span style="white-space:nowrap">0.000<span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">001</span></span> </td></tr> <tr> <td>zepto</td> <td>z</td> <td style="text-align:left;"><a href="/wiki/Orders_of_magnitude_(numbers)#10−21" title="Orders of magnitude (numbers)">10<sup>−21</sup></a> </td> <td style="text-align:left; font-variant-numeric: tabular-nums;"><span style="white-space:nowrap">0.000<span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">001</span></span></td> <td rowspan="2">1991 </td></tr> <tr> <td>yocto</td> <td>y</td> <td style="text-align:left;"><a href="/wiki/Orders_of_magnitude_(numbers)#10−24" title="Orders of magnitude (numbers)">10<sup>−24</sup></a> </td> <td style="text-align:left; font-variant-numeric: tabular-nums;"><span style="white-space:nowrap">0.000<span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">001</span></span> </td></tr> <tr> <td>ronto</td> <td>r</td> <td style="text-align:left;"><a href="/wiki/Orders_of_magnitude_(numbers)#10−27" title="Orders of magnitude (numbers)">10<sup>−27</sup></a> </td> <td style="text-align:left; font-variant-numeric: tabular-nums;"><span style="white-space:nowrap">0.000<span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">001</span></span></td> <td rowspan="2">2022<sup id="cite_ref-newUnitAdoption_3-1" class="reference"><a href="#cite_note-newUnitAdoption-3"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td>quecto</td> <td>q</td> <td style="text-align:left;"><a href="/wiki/Orders_of_magnitude_(numbers)#10−30" title="Orders of magnitude (numbers)">10<sup>−30</sup></a> </td> <td style="text-align:left; font-variant-numeric: tabular-nums;"><span style="white-space:nowrap">0.000<span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">000</span><span style="margin-left:0.25em">001</span></span> </td></tr> <tr> <td style="text-align: left;" colspan="5"> <dl><dt>Notes</dt></dl> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text">Prefixes adopted before 1960 already existed before SI. The introduction of the <a href="/wiki/Centimetre%E2%80%93gram%E2%80%93second_system_of_units" title="Centimetre–gram–second system of units">CGS system</a> was in 1873.</span> </li> </ol></div></div> </td></tr></tbody></table> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Nanometre">Nanometre</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Nano-&action=edit&section=1" title="Edit section: Nanometre"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="excerpt-block"><style data-mw-deduplicate="TemplateStyles:r1066933788">.mw-parser-output .excerpt-hat .mw-editsection-like{font-style:normal}</style><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable dablink excerpt-hat selfref">This section is an excerpt from <a href="/wiki/Nanometre" title="Nanometre">Nanometre</a>.<span class="mw-editsection-like plainlinks"><span class="mw-editsection-bracket">[</span><a class="external text" href="https://en.wikipedia.org/w/index.php?title=Nanometre&action=edit">edit</a><span class="mw-editsection-bracket">]</span></span></div><div class="excerpt"> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Chiraltube.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/da/Chiraltube.png/220px-Chiraltube.png" decoding="async" width="220" height="70" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/da/Chiraltube.png/330px-Chiraltube.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/da/Chiraltube.png/440px-Chiraltube.png 2x" data-file-width="486" data-file-height="155" /></a><figcaption>One nanometric <a href="/wiki/Carbon_nanotube" title="Carbon nanotube">carbon nanotube</a>, photographed with <a href="/wiki/Scanning_tunneling_microscope" title="Scanning tunneling microscope">scanning tunneling microscope</a></figcaption></figure> <p class="mw-empty-elt"> </p> <figure typeof="mw:File/Thumb"><a href="/wiki/File:EM_Spectrum_Properties_edit.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/cf/EM_Spectrum_Properties_edit.svg/330px-EM_Spectrum_Properties_edit.svg.png" decoding="async" width="330" height="196" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/cf/EM_Spectrum_Properties_edit.svg/495px-EM_Spectrum_Properties_edit.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/cf/EM_Spectrum_Properties_edit.svg/660px-EM_Spectrum_Properties_edit.svg.png 2x" data-file-width="675" data-file-height="400" /></a><figcaption>Different lengths as in respect to the <a href="/wiki/Electromagnetic_spectrum" title="Electromagnetic spectrum">electromagnetic spectrum</a>, measured by the metre and its derived scales. The nanometre is often used to express dimensions on an atomic scale and mostly in the <a href="/wiki/Molecule" title="Molecule">molecular</a> scale.</figcaption></figure> The <a href="/wiki/Nanometre" title="Nanometre">nanometre</a> (international spelling as used by the <a href="/wiki/International_Bureau_of_Weights_and_Measures" title="International Bureau of Weights and Measures">International Bureau of Weights and Measures</a>; <a href="/wiki/SI" class="mw-redirect" title="SI">SI</a> symbol: nm), or nanometer (<a href="/wiki/American_and_British_English_spelling_differences#-re,_-er" title="American and British English spelling differences">American spelling</a>), is a <a href="/wiki/Units_of_measurement" class="mw-redirect" title="Units of measurement">unit</a> of <a href="/wiki/Length" title="Length">length</a> in the International System of Units (SI), equal to one <a href="/wiki/Billionth" class="mw-redirect" title="Billionth">billionth</a> (<a href="/wiki/Short_scale" class="mw-redirect" title="Short scale">short scale</a>) of a <a href="/wiki/Metre" title="Metre">meter</a> (0.000000001 m) and to 1000 <a href="/wiki/Picometres" class="mw-redirect" title="Picometres">picometres</a>. One nanometre can be expressed in <a href="/wiki/Scientific_notation" title="Scientific notation">scientific notation</a> as 1 × 10<sup>-9</sup> m and as <style data-mw-deduplicate="TemplateStyles:r1214402035">.mw-parser-output .sfrac{white-space:nowrap}.mw-parser-output .sfrac.tion,.mw-parser-output .sfrac .tion{display:inline-block;vertical-align:-0.5em;font-size:85%;text-align:center}.mw-parser-output .sfrac .num{display:block;line-height:1em;margin:0.0em 0.1em;border-bottom:1px solid}.mw-parser-output .sfrac .den{display:block;line-height:1em;margin:0.1em 0.1em}.mw-parser-output .sr-only{border:0;clip:rect(0,0,0,0);clip-path:polygon(0px 0px,0px 0px,0px 0px);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px}</style><span class="sfrac">⁠<span class="tion"><span class="num">1</span><span class="sr-only">/</span><span class="den"><span class="nowrap"><span data-sort-value="7009100000000000000♠"></span>1<span style="margin-left:.25em;">000</span><span style="margin-left:.25em;">000</span><span style="margin-left:.25em;">000</span></span></span></span>⁠</span> m.</div></div><p>X-rays have a wavelength ranging from the size of 0.01 nm to 10 nm. </p><p>Human fingernails grow at approximately one nanometer per second.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Nanosecond">Nanosecond</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Nano-&action=edit&section=2" title="Edit section: Nanosecond"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="excerpt-block"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1066933788"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable dablink excerpt-hat selfref">This section is an excerpt from <a href="/wiki/Nanosecond" title="Nanosecond">Nanosecond</a>.<span class="mw-editsection-like plainlinks"><span class="mw-editsection-bracket">[</span><a class="external text" href="https://en.wikipedia.org/w/index.php?title=Nanosecond&action=edit">edit</a><span class="mw-editsection-bracket">]</span></span></div><div class="excerpt"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1235681985"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1237033735"><div class="side-box side-box-right plainlinks sistersitebox"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"> <div class="side-box-flex"> <div class="side-box-image"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/40px-Wiktionary-logo-en-v2.svg.png" decoding="async" width="40" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/60px-Wiktionary-logo-en-v2.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/80px-Wiktionary-logo-en-v2.svg.png 2x" data-file-width="512" data-file-height="512" /></span></span></div> <div class="side-box-text plainlist">Look up <i><b><a href="https://en.wiktionary.org/wiki/nanosecond" class="extiw" title="wiktionary:nanosecond">nanosecond</a></b></i> in Wiktionary, the free dictionary.</div></div> </div> <p>A <a href="/wiki/Nanosecond" title="Nanosecond">nanosecond</a> (ns) is a unit of <a href="/wiki/Time" title="Time">time</a> in the <a href="/wiki/International_System_of_Units" title="International System of Units">International System of Units</a> (SI) equal to one billionth of a <a href="/wiki/Second" title="Second">second</a>, that is, <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1214402035"><span class="sfrac">⁠<span class="tion"><span class="num">1</span><span class="sr-only">/</span><span class="den"><span class="nowrap"><span data-sort-value="7009100000000000000♠"></span>1<span style="margin-left:.25em;">000</span><span style="margin-left:.25em;">000</span><span style="margin-left:.25em;">000</span></span></span></span>⁠</span> of a second, or <span class="nowrap"><span data-sort-value="6991100000000000000♠"></span>10<sup>−9</sup></span> seconds. </p><p>The term combines the <a href="/wiki/SI_prefix" class="mw-redirect" title="SI prefix">SI prefix</a> <i>nano-</i> indicating a 1 billionth submultiple of an SI unit (e.g. nanogram, <a href="/wiki/Nanometre" title="Nanometre">nanometre</a>, etc.) and <i>second</i>, the primary unit of time in the SI. </p><p>A nanosecond is to one second, as one second is to approximately 31.69 years. </p><p>A nanosecond is equal to 1000 <a href="/wiki/Picosecond" title="Picosecond">picoseconds</a> or <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1214402035"><span class="sfrac">⁠<span class="tion"><span class="num">1</span><span class="sr-only">/</span><span class="den">1000</span></span>⁠</span> <a href="/wiki/Microsecond" title="Microsecond">microsecond</a>. Time units ranging between 10<sup>−8</sup> and 10<sup>−7</sup> seconds are typically expressed as tens or hundreds of nanoseconds. </p> Time units of this granularity are commonly found in <a href="/wiki/Telecommunications" title="Telecommunications">telecommunications</a>, pulsed <a href="/wiki/Laser" title="Laser">lasers</a>, and related aspects of <a href="/wiki/Electronics" title="Electronics">electronics</a>.</div></div> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Nano-&action=edit&section=3" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/RKM_code" title="RKM code">RKM code</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Nano-&action=edit&section=4" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239543626"><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.nano.gov/nanotech-101/what/nano-size">"Size of the Nanoscale"</a>. <a href="/wiki/National_Nanotechnology_Initiative" title="National Nanotechnology Initiative">National Nanotechnology Initiative</a><span class="reference-accessdate">. Retrieved <span class="nowrap">2020-05-14</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Size+of+the+Nanoscale&rft.pub=National+Nanotechnology+Initiative&rft_id=https%3A%2F%2Fwww.nano.gov%2Fnanotech-101%2Fwhat%2Fnano-size&rfr_id=info%3Asid%2Fen.wikipedia.org%3ANano-" class="Z3988"></span></span> </li> <li id="cite_note-newUnitAdoption-3"><span class="mw-cite-backlink">^ <a href="#cite_ref-newUnitAdoption_3-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-newUnitAdoption_3-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.bipm.org/en/cgpm-2022/resolution-3">"On the extension of the range of SI prefixes"</a>. 18 November 2022<span class="reference-accessdate">. Retrieved <span class="nowrap">5 February</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=On+the+extension+of+the+range+of+SI+prefixes&rft.date=2022-11-18&rft_id=https%3A%2F%2Fwww.bipm.org%2Fen%2Fcgpm-2022%2Fresolution-3&rfr_id=info%3Asid%2Fen.wikipedia.org%3ANano-" class="Z3988"></span></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.nist.gov/pml/owm/metric-si-prefixes">"Metric (SI) Prefixes"</a>. NIST.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Metric+%28SI%29+Prefixes&rft.pub=NIST&rft_id=https%3A%2F%2Fwww.nist.gov%2Fpml%2Fowm%2Fmetric-si-prefixes&rfr_id=info%3Asid%2Fen.wikipedia.org%3ANano-" class="Z3988"></span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.thoughtco.com/examples-of-nanoscale-608575">"Examples of Nanoscale Objects"</a>. <i>ThoughtCo</i><span class="reference-accessdate">. Retrieved <span class="nowrap">2024-03-16</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=ThoughtCo&rft.atitle=Examples+of+Nanoscale+Objects&rft_id=https%3A%2F%2Fwww.thoughtco.com%2Fexamples-of-nanoscale-608575&rfr_id=info%3Asid%2Fen.wikipedia.org%3ANano-" class="Z3988"></span></span> </li> </ol></div></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=Nano-&oldid=1251014038">https://en.wikipedia.org/w/index.php?title=Nano-&oldid=1251014038</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Help:Category" title="Help:Category">Category</a>: <ul><li><a href="/wiki/Category:SI_prefixes" title="Category:SI prefixes">SI prefixes</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Hidden categories: <ul><li><a href="/wiki/Category:Articles_with_short_description" title="Category:Articles with short description">Articles with short description</a></li><li><a href="/wiki/Category:Short_description_is_different_from_Wikidata" title="Category:Short description is different from Wikidata">Short description is different from Wikidata</a></li><li><a href="/wiki/Category:Articles_needing_additional_references_from_January_2020" title="Category:Articles needing additional references from January 2020">Articles needing additional references from January 2020</a></li><li><a href="/wiki/Category:All_articles_needing_additional_references" title="Category:All articles needing additional references">All articles needing additional references</a></li><li><a href="/wiki/Category:Articles_containing_Ancient_Greek_(to_1453)-language_text" title="Category:Articles containing Ancient Greek (to 1453)-language text">Articles containing Ancient Greek (to 1453)-language text</a></li><li><a href="/wiki/Category:Articles_containing_Latin-language_text" title="Category:Articles containing Latin-language text">Articles containing Latin-language text</a></li><li><a href="/wiki/Category:Articles_with_excerpts" title="Category:Articles with excerpts">Articles with excerpts</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> This page was last edited on 13 October 2024, at 21:49<span class="anonymous-show"> (UTC)</span>.</li> <li id="footer-info-copyright">Text is available under the <a href="/wiki/Wikipedia:Text_of_the_Creative_Commons_Attribution-ShareAlike_4.0_International_License" title="Wikipedia:Text of the Creative Commons Attribution-ShareAlike 4.0 International License">Creative Commons Attribution-ShareAlike 4.0 License</a>; additional terms may apply. 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