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</ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="站点"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="目录" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">目录</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">移至侧栏</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">隐藏</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">序言</div> </a> </li> <li id="toc-基本单位列表" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#基本单位列表"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>基本单位列表</span> </div> </a> <ul id="toc-基本单位列表-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-注释" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#注释"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>注释</span> </div> </a> <ul id="toc-注释-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-参考文献" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#参考文献"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>参考文献</span> </div> </a> <ul id="toc-参考文献-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-外部链接" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#外部链接"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>外部链接</span> </div> </a> <ul id="toc-外部链接-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-参见" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#参见"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>参见</span> </div> </a> <ul id="toc-参见-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="目录" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="开关目录" > <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">开关目录</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">国际单位制基本单位</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="前往另一种语言写成的文章。53种语言可用" > <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-53" 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">53种语言</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%88%D8%AD%D8%AF%D8%A9_%D8%AF%D9%88%D9%84%D9%8A%D8%A9_%D8%A3%D8%B3%D8%A7%D8%B3%D9%8A%D8%A9" title="وحدة دولية أساسية – 阿拉伯语" lang="ar" hreflang="ar" data-title="وحدة دولية أساسية" data-language-autonym="العربية" data-language-local-name="阿拉伯语" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ary mw-list-item"><a href="https://ary.wikipedia.org/wiki/%D8%B9%D8%A8%D8%B1%D8%A7%D8%AA_%D8%A3%D8%B3%D8%A7%D8%B3%D9%8A%D8%A9_%D9%81_%D8%A7%D9%84%D8%B3%D9%8A%D8%B3%D8%AA%D9%8A%D9%85_%D9%84%D8%B9%D8%A7%D9%84%D9%85%D9%8A_%D8%AF_%D9%84%D8%B9%D8%A8%D8%B1%D8%A7%D8%AA" title="عبرات أساسية ف السيستيم لعالمي د لعبرات – 摩洛哥阿拉伯文" lang="ary" hreflang="ary" data-title="عبرات أساسية ف السيستيم لعالمي د لعبرات" data-language-autonym="الدارجة" data-language-local-name="摩洛哥阿拉伯文" class="interlanguage-link-target"><span>الدارجة</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Unidaes_b%C3%A1siques_del_Sistema_Internacional" title="Unidaes básiques del Sistema Internacional – 阿斯图里亚斯语" lang="ast" hreflang="ast" data-title="Unidaes básiques del Sistema Internacional" data-language-autonym="Asturianu" data-language-local-name="阿斯图里亚斯语" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%90%D1%81%D0%BD%D0%BE%D1%9E%D0%BD%D1%8B%D1%8F_%D0%B0%D0%B4%D0%B7%D1%96%D0%BD%D0%BA%D1%96_%D0%A1%D0%86" title="Асноўныя адзінкі СІ – 白俄罗斯语" lang="be" hreflang="be" data-title="Асноўныя адзінкі СІ" data-language-autonym="Беларуская" data-language-local-name="白俄罗斯语" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-br mw-list-item"><a href="https://br.wikipedia.org/wiki/Unanenno%C3%B9_diazez_ar_sistem_etrebroadel" title="Unanennoù diazez ar sistem etrebroadel – 布列塔尼语" lang="br" hreflang="br" data-title="Unanennoù diazez ar sistem etrebroadel" data-language-autonym="Brezhoneg" data-language-local-name="布列塔尼语" class="interlanguage-link-target"><span>Brezhoneg</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Osnovne_SI_jedinice" title="Osnovne SI jedinice – 波斯尼亚语" lang="bs" hreflang="bs" data-title="Osnovne SI jedinice" data-language-autonym="Bosanski" data-language-local-name="波斯尼亚语" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Unitat_b%C3%A0sica_del_Sistema_Internacional" title="Unitat bàsica del Sistema Internacional – 加泰罗尼亚语" lang="ca" hreflang="ca" data-title="Unitat bàsica del Sistema Internacional" data-language-autonym="Català" data-language-local-name="加泰罗尼亚语" 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%A1%D0%98_%D1%82%C4%95%D0%BF_%D0%BF%C4%95%D1%80%D1%87%D0%B8%D1%81%D0%B5%D0%BC" title="СИ тĕп пĕрчисем – 楚瓦什语" lang="cv" hreflang="cv" data-title="СИ тĕп пĕрчисем" data-language-autonym="Чӑвашла" data-language-local-name="楚瓦什语" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Unedau_sylfaenol_SI" title="Unedau sylfaenol SI – 威尔士语" lang="cy" hreflang="cy" data-title="Unedau sylfaenol SI" data-language-autonym="Cymraeg" data-language-local-name="威尔士语" 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/Grundl%C3%A6ggende_SI-enheder" title="Grundlæggende SI-enheder – 丹麦语" lang="da" hreflang="da" data-title="Grundlæggende SI-enheder" data-language-autonym="Dansk" data-language-local-name="丹麦语" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de badge-Q70894304 mw-list-item" title=""><a href="https://de.wikipedia.org/wiki/SI-Basiseinheit" title="SI-Basiseinheit – 德语" lang="de" hreflang="de" data-title="SI-Basiseinheit" data-language-autonym="Deutsch" data-language-local-name="德语" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%98%CE%B5%CE%BC%CE%B5%CE%BB%CE%B9%CF%8E%CE%B4%CE%B5%CE%B9%CF%82_%CE%BC%CE%BF%CE%BD%CE%AC%CE%B4%CE%B5%CF%82_%CE%BC%CE%AD%CF%84%CF%81%CE%B7%CF%83%CE%B7%CF%82_%CF%84%CE%BF%CF%85_%CE%94%CE%B9%CE%B5%CE%B8%CE%BD%CE%BF%CF%8D%CF%82_%CE%A3%CF%85%CF%83%CF%84%CE%AE%CE%BC%CE%B1%CF%84%CE%BF%CF%82_%CE%9C%CE%BF%CE%BD%CE%AC%CE%B4%CF%89%CE%BD" title="Θεμελιώδεις μονάδες μέτρησης του Διεθνούς Συστήματος Μονάδων – 希腊语" lang="el" hreflang="el" data-title="Θεμελιώδεις μονάδες μέτρησης του Διεθνούς Συστήματος Μονάδων" data-language-autonym="Ελληνικά" data-language-local-name="希腊语" 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/SI_base_unit" title="SI base unit – 英语" lang="en" hreflang="en" data-title="SI base unit" data-language-autonym="English" data-language-local-name="英语" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Internacia_sistemo_de_unuoj#Bazaj_unuoj" title="Internacia sistemo de unuoj – 世界语" lang="eo" hreflang="eo" data-title="Internacia sistemo de unuoj" data-language-autonym="Esperanto" data-language-local-name="世界语" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Unidades_b%C3%A1sicas_del_Sistema_Internacional" title="Unidades básicas del Sistema Internacional – 西班牙语" lang="es" hreflang="es" data-title="Unidades básicas del Sistema Internacional" data-language-autonym="Español" data-language-local-name="西班牙语" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/SI-s%C3%BCsteemi_p%C3%B5hi%C3%BChikud" title="SI-süsteemi põhiühikud – 爱沙尼亚语" lang="et" hreflang="et" data-title="SI-süsteemi põhiühikud" data-language-autonym="Eesti" data-language-local-name="爱沙尼亚语" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%DB%8C%DA%A9%D8%A7%DB%8C_%D8%A7%D8%B5%D9%84%DB%8C_%D8%A7%D8%B3%E2%80%8C%D8%A2%DB%8C" title="یکای اصلی اس‌آی – 波斯语" lang="fa" hreflang="fa" data-title="یکای اصلی اس‌آی" data-language-autonym="فارسی" data-language-local-name="波斯语" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/SI-perusyksik%C3%B6t" title="SI-perusyksiköt – 芬兰语" lang="fi" hreflang="fi" data-title="SI-perusyksiköt" data-language-autonym="Suomi" data-language-local-name="芬兰语" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Unit%C3%A9s_de_base_du_Syst%C3%A8me_international" title="Unités de base du Système international – 法语" lang="fr" hreflang="fr" data-title="Unités de base du Système international" data-language-autonym="Français" data-language-local-name="法语" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%AE%E0%A5%82%E0%A4%B2_%E0%A4%87%E0%A4%95%E0%A4%BE%E0%A4%87%E0%A4%AF%E0%A4%BE%E0%A4%81" title="मूल इकाइयाँ – 印地语" lang="hi" hreflang="hi" data-title="मूल इकाइयाँ" data-language-autonym="हिन्दी" data-language-local-name="印地语" 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/SI_osnovne_jedinice" title="SI osnovne jedinice – 克罗地亚语" lang="hr" hreflang="hr" data-title="SI osnovne jedinice" data-language-autonym="Hrvatski" data-language-local-name="克罗地亚语" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/SI-alapegys%C3%A9g" title="SI-alapegység – 匈牙利语" lang="hu" hreflang="hu" data-title="SI-alapegység" data-language-autonym="Magyar" data-language-local-name="匈牙利语" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%84%D5%80_%D5%B0%D5%AB%D5%B4%D5%B6%D5%A1%D5%AF%D5%A1%D5%B6_%D5%B4%D5%AB%D5%A1%D5%BE%D5%B8%D6%80%D5%B6%D5%A5%D6%80" title="ՄՀ հիմնական միավորներ – 亚美尼亚语" lang="hy" hreflang="hy" data-title="ՄՀ հիմնական միավորներ" data-language-autonym="Հայերեն" data-language-local-name="亚美尼亚语" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-hyw mw-list-item"><a href="https://hyw.wikipedia.org/wiki/%D5%84%D5%80_%D5%B0%D5%AB%D5%B4%D5%B6%D5%A1%D5%AF%D5%A1%D5%B6_%D5%B4%D5%AB%D5%A1%D6%82%D5%B8%D6%80%D5%B6%D5%A5%D6%80" title="ՄՀ հիմնական միաւորներ – Western Armenian" lang="hyw" hreflang="hyw" data-title="ՄՀ հիմնական միաւորներ" data-language-autonym="Արեւմտահայերէն" data-language-local-name="Western Armenian" class="interlanguage-link-target"><span>Արեւմտահայերէն</span></a></li><li class="interlanguage-link interwiki-ia mw-list-item"><a href="https://ia.wikipedia.org/wiki/Unitate_de_base_del_SI" title="Unitate de base del SI – 国际语" lang="ia" hreflang="ia" data-title="Unitate de base del SI" data-language-autonym="Interlingua" data-language-local-name="国际语" class="interlanguage-link-target"><span>Interlingua</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Satuan_pokok_SI" title="Satuan pokok SI – 印度尼西亚语" lang="id" hreflang="id" data-title="Satuan pokok SI" data-language-autonym="Bahasa Indonesia" data-language-local-name="印度尼西亚语" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-ilo mw-list-item"><a href="https://ilo.wikipedia.org/wiki/Batayan_a_yunit_ti_SI" title="Batayan a yunit ti SI – 伊洛卡诺语" lang="ilo" hreflang="ilo" data-title="Batayan a yunit ti SI" data-language-autonym="Ilokano" data-language-local-name="伊洛卡诺语" class="interlanguage-link-target"><span>Ilokano</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/SI_grunneining" title="SI grunneining – 冰岛语" lang="is" hreflang="is" data-title="SI grunneining" data-language-autonym="Íslenska" data-language-local-name="冰岛语" 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/Unit%C3%A0_fondamentali_del_sistema_internazionale" title="Unità fondamentali del sistema internazionale – 意大利语" lang="it" hreflang="it" data-title="Unità fondamentali del sistema internazionale" data-language-autonym="Italiano" data-language-local-name="意大利语" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/SI%E5%9F%BA%E6%9C%AC%E5%8D%98%E4%BD%8D" title="SI基本単位 – 日语" lang="ja" hreflang="ja" data-title="SI基本単位" data-language-autonym="日本語" data-language-local-name="日语" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-km mw-list-item"><a href="https://km.wikipedia.org/wiki/%E1%9E%81%E1%9F%92%E1%9E%93%E1%9E%B6%E1%9E%8F%E1%9E%82%E1%9F%84%E1%9E%9B%E1%9E%93%E1%9F%85%E1%9E%80%E1%9F%92%E1%9E%93%E1%9E%BB%E1%9E%84%E1%9E%94%E1%9F%92%E1%9E%9A%E1%9E%96%E1%9F%90%E1%9E%93%E1%9F%92%E1%9E%92%E1%9E%81%E1%9F%92%E1%9E%93%E1%9E%B6%E1%9E%8F%E1%9E%A2%E1%9E%93%E1%9F%92%E1%9E%8F%E1%9E%9A%E1%9E%87%E1%9E%B6%E1%9E%8F%E1%9E%B7" title="ខ្នាតគោលនៅក្នុងប្រព័ន្ធខ្នាតអន្តរជាតិ – 高棉语" lang="km" hreflang="km" data-title="ខ្នាតគោលនៅក្នុងប្រព័ន្ធខ្នាតអន្តរជាតិ" data-language-autonym="ភាសាខ្មែរ" data-language-local-name="高棉语" class="interlanguage-link-target"><span>ភាសាខ្មែរ</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/SI_%EA%B8%B0%EB%B3%B8_%EB%8B%A8%EC%9C%84" title="SI 기본 단위 – 韩语" lang="ko" hreflang="ko" data-title="SI 기본 단위" data-language-autonym="한국어" data-language-local-name="韩语" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/SI_pamatvien%C4%ABbas" title="SI pamatvienības – 拉脱维亚语" lang="lv" hreflang="lv" data-title="SI pamatvienības" data-language-autonym="Latviešu" data-language-local-name="拉脱维亚语" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%9E%D1%81%D0%BD%D0%BE%D0%B2%D0%BD%D0%B8_SI-%D0%B5%D0%B4%D0%B8%D0%BD%D0%B8%D1%86%D0%B8" title="Основни SI-единици – 马其顿语" lang="mk" hreflang="mk" data-title="Основни SI-единици" data-language-autonym="Македонски" data-language-local-name="马其顿语" 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%85%E0%B4%A8%E0%B5%8D%E0%B4%A4%E0%B4%BE%E0%B4%B0%E0%B4%BE%E0%B4%B7%E0%B5%8D%E0%B4%9F%E0%B5%8D%E0%B4%B0_%E0%B4%8F%E0%B4%95%E0%B4%95%E0%B4%B5%E0%B5%8D%E0%B4%AF%E0%B4%B5%E0%B4%B8%E0%B5%8D%E0%B4%A5_-_%E0%B4%AE%E0%B5%97%E0%B4%B2%E0%B4%BF%E0%B4%95_%E0%B4%8F%E0%B4%95%E0%B4%95%E0%B4%99%E0%B5%8D%E0%B4%99%E0%B5%BE" title="അന്താരാഷ്ട്ര ഏകകവ്യവസ്ഥ - മൗലിക ഏകകങ്ങൾ – 马拉雅拉姆语" lang="ml" hreflang="ml" data-title="അന്താരാഷ്ട്ര ഏകകവ്യവസ്ഥ - മൗലിക ഏകകങ്ങൾ" data-language-autonym="മലയാളം" data-language-local-name="马拉雅拉姆语" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Unit_asas_SI" title="Unit asas SI – 马来语" lang="ms" hreflang="ms" data-title="Unit asas SI" data-language-autonym="Bahasa Melayu" data-language-local-name="马来语" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/SI-basiseenheid" title="SI-basiseenheid – 荷兰语" lang="nl" hreflang="nl" data-title="SI-basiseenheid" data-language-autonym="Nederlands" data-language-local-name="荷兰语" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/SI_baseenhet" title="SI baseenhet – 书面挪威语" lang="nb" hreflang="nb" data-title="SI baseenhet" data-language-autonym="Norsk bokmål" data-language-local-name="书面挪威语" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%90%E0%A9%B1%E0%A8%B8%E0%A8%86%E0%A8%88_%E0%A8%AE%E0%A9%82%E0%A8%B2_%E0%A8%87%E0%A8%95%E0%A8%BE%E0%A8%88%E0%A8%86%E0%A8%82" title="ਐੱਸਆਈ ਮੂਲ ਇਕਾਈਆਂ – 旁遮普语" lang="pa" hreflang="pa" data-title="ਐੱਸਆਈ ਮੂਲ ਇਕਾਈਆਂ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="旁遮普语" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Jednostka_podstawowa_uk%C5%82adu_SI" title="Jednostka podstawowa układu SI – 波兰语" lang="pl" hreflang="pl" data-title="Jednostka podstawowa układu SI" data-language-autonym="Polski" data-language-local-name="波兰语" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt badge-Q70893996 mw-list-item" title=""><a href="https://pt.wikipedia.org/wiki/Unidades_b%C3%A1sicas_do_SI" title="Unidades básicas do SI – 葡萄牙语" lang="pt" hreflang="pt" data-title="Unidades básicas do SI" data-language-autonym="Português" data-language-local-name="葡萄牙语" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9E%D1%81%D0%BD%D0%BE%D0%B2%D0%BD%D1%8B%D0%B5_%D0%B5%D0%B4%D0%B8%D0%BD%D0%B8%D1%86%D1%8B_%D0%A1%D0%98" title="Основные единицы СИ – 俄语" lang="ru" hreflang="ru" data-title="Основные единицы СИ" data-language-autonym="Русский" data-language-local-name="俄语" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Osnovne_jedinice_SI_sistema" title="Osnovne jedinice SI sistema – 塞尔维亚-克罗地亚语" lang="sh" hreflang="sh" data-title="Osnovne jedinice SI sistema" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="塞尔维亚-克罗地亚语" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Osnovna_enota_SI" title="Osnovna enota SI – 斯洛文尼亚语" lang="sl" hreflang="sl" data-title="Osnovna enota SI" data-language-autonym="Slovenščina" data-language-local-name="斯洛文尼亚语" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%9E%D1%81%D0%BD%D0%BE%D0%B2%D0%BD%D0%B5_%D1%98%D0%B5%D0%B4%D0%B8%D0%BD%D0%B8%D1%86%D0%B5_%D0%A1%D0%98_%D1%81%D0%B8%D1%81%D1%82%D0%B5%D0%BC%D0%B0" title="Основне јединице СИ система – 塞尔维亚语" lang="sr" hreflang="sr" data-title="Основне јединице СИ система" data-language-autonym="Српски / srpski" data-language-local-name="塞尔维亚语" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/SI-enhet" title="SI-enhet – 瑞典语" lang="sv" hreflang="sv" data-title="SI-enhet" data-language-autonym="Svenska" data-language-local-name="瑞典语" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%AB%E0%B8%99%E0%B9%88%E0%B8%A7%E0%B8%A2%E0%B8%90%E0%B8%B2%E0%B8%99%E0%B9%80%E0%B8%AD%E0%B8%AA%E0%B9%84%E0%B8%AD" title="หน่วยฐานเอสไอ – 泰语" lang="th" hreflang="th" data-title="หน่วยฐานเอสไอ" data-language-autonym="ไทย" data-language-local-name="泰语" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9E%D1%81%D0%BD%D0%BE%D0%B2%D0%BD%D1%96_%D0%BE%D0%B4%D0%B8%D0%BD%D0%B8%D1%86%D1%96_SI" title="Основні одиниці SI – 乌克兰语" lang="uk" hreflang="uk" data-title="Основні одиниці SI" data-language-autonym="Українська" data-language-local-name="乌克兰语" 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/%D8%A7%DB%8C%D8%B3_%D8%A2%D8%A6%DB%8C_%D8%A8%D9%86%DB%8C%D8%A7%D8%AF%DB%8C_%D8%A7%DA%A9%D8%A7%D8%A6%DB%8C%D8%A7%DA%BA" title="ایس آئی بنیادی اکائیاں – 乌尔都语" lang="ur" hreflang="ur" data-title="ایس آئی بنیادی اکائیاں" data-language-autonym="اردو" data-language-local-name="乌尔都语" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-vls mw-list-item"><a href="https://vls.wikipedia.org/wiki/SI-basis%C3%AAenheid" title="SI-basisêenheid – 西佛蘭德文" lang="vls" hreflang="vls" data-title="SI-basisêenheid" data-language-autonym="West-Vlams" data-language-local-name="西佛蘭德文" class="interlanguage-link-target"><span>West-Vlams</span></a></li><li class="interlanguage-link interwiki-zgh mw-list-item"><a href="https://zgh.wikipedia.org/wiki/%E2%B5%9C%E2%B5%89%E2%B5%A2%E2%B5%93%E2%B5%A1%E2%B5%8F%E2%B5%89%E2%B5%8F_%E2%B5%9C%E2%B5%89%E2%B5%99%E2%B5%89%E2%B5%8D%E2%B4%B0%E2%B5%8F%E2%B5%89%E2%B5%8F_%E2%B5%8F_%E2%B5%93%E2%B5%8F%E2%B4%B3%E2%B5%94%E2%B4%B0%E2%B5%A1_%E2%B4%B0%E2%B4%B3%E2%B5%94%E2%B4%B0%E2%B5%96%E2%B5%8D%E2%B4%B0%E2%B5%8F" title="ⵜⵉⵢⵓⵡⵏⵉⵏ ⵜⵉⵙⵉⵍⴰⵏⵉⵏ ⵏ ⵓⵏⴳⵔⴰⵡ ⴰⴳⵔⴰⵖⵍⴰⵏ – 标准摩洛哥塔马塞特语" lang="zgh" hreflang="zgh" data-title="ⵜⵉⵢⵓⵡⵏⵉⵏ ⵜⵉⵙⵉⵍⴰⵏⵉⵏ ⵏ ⵓⵏⴳⵔⴰⵡ ⴰⴳⵔⴰⵖⵍⴰⵏ" data-language-autonym="ⵜⴰⵎⴰⵣⵉⵖⵜ ⵜⴰⵏⴰⵡⴰⵢⵜ" data-language-local-name="标准摩洛哥塔马塞特语" class="interlanguage-link-target"><span>ⵜⴰⵎⴰⵣⵉⵖⵜ ⵜⴰⵏⴰⵡⴰⵢⵜ</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/SI_ki-p%C3%BAn_tan-%C5%ABi" title="SI ki-pún tan-ūi – 闽南语" lang="nan" hreflang="nan" data-title="SI ki-pún tan-ūi" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="闽南语" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E5%9C%8B%E9%9A%9B%E5%96%AE%E4%BD%8D%E5%88%B6%E5%9F%BA%E6%9C%AC%E5%96%AE%E4%BD%8D" title="國際單位制基本單位 – 粤语" lang="yue" hreflang="yue" data-title="國際單位制基本單位" data-language-autonym="粵語" data-language-local-name="粤语" class="interlanguage-link-target"><span>粵語</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/Q223662#sitelinks-wikipedia" title="编辑跨语言链接" class="wbc-editpage">编辑链接</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="命名空间"> <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 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<div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-varlang-0" class="selected ca-variants-zh mw-list-item"><a href="/zh/%E5%9B%BD%E9%99%85%E5%8D%95%E4%BD%8D%E5%88%B6%E5%9F%BA%E6%9C%AC%E5%8D%95%E4%BD%8D" lang="zh" hreflang="zh"><span>不转换</span></a></li><li id="ca-varlang-1" class="ca-variants-zh-Hans mw-list-item"><a href="/zh-hans/%E5%9B%BD%E9%99%85%E5%8D%95%E4%BD%8D%E5%88%B6%E5%9F%BA%E6%9C%AC%E5%8D%95%E4%BD%8D" lang="zh-Hans" hreflang="zh-Hans"><span>简体</span></a></li><li id="ca-varlang-2" class="ca-variants-zh-Hant mw-list-item"><a href="/zh-hant/%E5%9B%BD%E9%99%85%E5%8D%95%E4%BD%8D%E5%88%B6%E5%9F%BA%E6%9C%AC%E5%8D%95%E4%BD%8D" lang="zh-Hant" hreflang="zh-Hant"><span>繁體</span></a></li><li id="ca-varlang-3" class="ca-variants-zh-Hans-CN mw-list-item"><a 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/>致使用者：请搜索一下条目的标题（来源搜索：<span class="plainlinks"><a rel="nofollow" class="external text" href="//www.google.com/search?&as_eq=wikipedia&q=%22%E5%9B%BD%E9%99%85%E5%8D%95%E4%BD%8D%E5%88%B6%E5%9F%BA%E6%9C%AC%E5%8D%95%E4%BD%8D%22">"国际单位制基本单位"</a> — <a rel="nofollow" class="external text" href="//www.google.com/search?q=%22%E5%9B%BD%E9%99%85%E5%8D%95%E4%BD%8D%E5%88%B6%E5%9F%BA%E6%9C%AC%E5%8D%95%E4%BD%8D%22">网页</a>、<a rel="nofollow" class="external text" href="//www.google.com/search?tbm=nws&q=&as_src=-newswire+-wire+-presswire+-PR+-press+-release+-wikipedia&q=%22%E5%9B%BD%E9%99%85%E5%8D%95%E4%BD%8D%E5%88%B6%E5%9F%BA%E6%9C%AC%E5%8D%95%E4%BD%8D%22">新闻</a>、<a rel="nofollow" class="external text" href="//books.google.com/books?&as_brr=0&as_pub=-icon&q=%22%E5%9B%BD%E9%99%85%E5%8D%95%E4%BD%8D%E5%88%B6%E5%9F%BA%E6%9C%AC%E5%8D%95%E4%BD%8D%22">书籍</a>、<a rel="nofollow" class="external text" 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width="220" height="220" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c8/SI_base_unit.svg/330px-SI_base_unit.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c8/SI_base_unit.svg/440px-SI_base_unit.svg.png 2x" data-file-width="600" data-file-height="600" /></a><figcaption>七個SI基本單位及其定義的相互依賴性：例如，從<a href="/wiki/%E5%85%89%E9%80%9F" title="光速">光速</a>中提取<a href="/wiki/%E5%85%AC%E5%B0%BA" class="mw-redirect" title="公尺">公尺</a>的定義，必須知道<a href="/wiki/%E7%A7%92" title="秒">秒</a>的定義，至於<a href="/wiki/%E5%AE%89%E5%9F%B9" title="安培">安培</a>和<a href="/wiki/%E5%9D%8E%E5%BE%B7%E6%8B%89" title="坎德拉">坎德拉</a>都依據<a href="/wiki/%E8%83%BD%E9%87%8F" title="能量">能量</a>來定義，而<a href="/wiki/%E8%83%BD%E9%87%8F" title="能量">能量</a>則依據<a href="/wiki/%E9%95%B7%E5%BA%A6" class="mw-redirect" title="長度">長度</a>、<a href="/wiki/%E8%B3%AA%E9%87%8F" class="mw-redirect" title="質量">質量</a>和<a href="/wiki/%E6%99%82%E9%96%93" class="mw-redirect" title="時間">時間</a>來定義。</figcaption></figure> <figure typeof="mw:File/Thumb"><a href="/wiki/File:Unit_relations_in_the_old_SI.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/fb/Unit_relations_in_the_old_SI.svg/250px-Unit_relations_in_the_old_SI.svg.png" decoding="async" width="250" height="262" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/fb/Unit_relations_in_the_old_SI.svg/375px-Unit_relations_in_the_old_SI.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/fb/Unit_relations_in_the_old_SI.svg/500px-Unit_relations_in_the_old_SI.svg.png 2x" data-file-width="625" data-file-height="655" /></a><figcaption>舊SI基本單位定義，基於過去經修正數值後之物理常數。</figcaption></figure> <figure typeof="mw:File/Thumb"><a href="/wiki/File:Unit_relations_in_the_new_SI.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/a/ab/Unit_relations_in_the_new_SI.svg/250px-Unit_relations_in_the_new_SI.svg.png" decoding="async" width="250" height="240" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/ab/Unit_relations_in_the_new_SI.svg/375px-Unit_relations_in_the_new_SI.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/ab/Unit_relations_in_the_new_SI.svg/500px-Unit_relations_in_the_new_SI.svg.png 2x" data-file-width="625" data-file-height="600" /></a><figcaption>新SI基本單位定義，基於經修正數值後的<a href="/wiki/%E7%89%A9%E7%90%86%E5%B8%B8%E6%95%B8" title="物理常數">物理常數</a>，以及基於同樣物理常數而衍生的其他基本單位。</figcaption></figure> <p><b>国际单位制基本单位</b>（SI base units）简称<b>SI基本单位</b>，是一系列由物理学家订定的基本标准<a href="/wiki/%E8%AE%A1%E9%87%8F%E5%8D%95%E4%BD%8D" title="计量单位">单位</a>。<a href="/wiki/%E5%9B%BD%E9%99%85%E5%8D%95%E4%BD%8D%E5%88%B6" title="国际单位制">国际单位制</a>共有7个基本单位。 </p><p><a href="/wiki/%E4%B8%AD%E5%9B%BD%E5%A4%A7%E9%99%86" title="中国大陆">中国大陆</a>用的单位名称依据《<a href="https://zh.wikisource.org/wiki/%E4%B8%AD%E5%8D%8E%E4%BA%BA%E6%B0%91%E5%85%B1%E5%92%8C%E5%9B%BD%E6%B3%95%E5%AE%9A%E8%AE%A1%E9%87%8F%E5%8D%95%E4%BD%8D" class="extiw" title="s:中华人民共和国法定计量单位">中华人民共和国法定计量单位</a>》，<a href="/wiki/%E9%A6%99%E6%B8%AF%E5%BA%A6%E9%87%8F%E8%A1%A1%E5%88%B6%E5%BA%A6" title="香港度量衡制度">香港度量衡制度</a>受《香港法例》第68章《度量衡條例》所監管及制定。<a href="/wiki/%E5%8F%B0%E6%B9%BE" class="mw-redirect" title="台湾">台湾</a>用的單位名稱依據<a href="/wiki/%E4%B8%AD%E8%8F%AF%E6%B0%91%E5%9C%8B%E7%B6%93%E6%BF%9F%E9%83%A8" title="中華民國經濟部">中華民國經濟部</a>公告的《<span title=""><span class="plainlinks"><a rel="nofollow" class="external text" href="https://www.bsmi.gov.tw/wSite/public/Attachment/f1706604321763.pdf">法定度量衡單位及前綴詞</a></span></span>》。 </p><p>2018年11月16日，第26届<a href="/wiki/%E5%9B%BD%E9%99%85%E8%AE%A1%E9%87%8F%E5%A4%A7%E4%BC%9A" class="mw-redirect" title="国际计量大会">国际计量大会</a>一致通过了新的國際單位制基本單位<a href="/wiki/%E5%9C%8B%E9%9A%9B%E5%96%AE%E4%BD%8D%E5%88%B6%E5%9F%BA%E6%9C%AC%E5%96%AE%E4%BD%8D%E7%9A%84%E9%87%8D%E6%96%B0%E5%AE%9A%E7%BE%A9" class="mw-redirect" title="國際單位制基本單位的重新定義">定義</a>的提案，新的定义于2019年5月20日生效，从此以后国际单位制基本单位将全部由物理常数定义。<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> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="基本单位列表"><span id=".E5.9F.BA.E6.9C.AC.E5.8D.95.E4.BD.8D.E5.88.97.E8.A1.A8"></span>基本单位列表</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E5%9B%BD%E9%99%85%E5%8D%95%E4%BD%8D%E5%88%B6%E5%9F%BA%E6%9C%AC%E5%8D%95%E4%BD%8D&action=edit&section=1" title="编辑章节：基本单位列表"><span>编辑</span></a><span class="mw-editsection-bracket">]</span></span></div> <table class="wikitable" style="text-align: left;"> <tbody><tr> <th rowspan="2">量 </th> <th rowspan="2">常用符号<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>a<span class="cite-bracket">]</span></a></sup> </th> <th colspan="2">單位名稱<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>b<span class="cite-bracket">]</span></a></sup> </th> <th rowspan="2">單位符号<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>c<span class="cite-bracket">]</span></a></sup> </th> <th rowspan="2">量綱符號<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>d<span class="cite-bracket">]</span></a></sup> </th> <th rowspan="2">定義<sup id="cite_ref-nim.ac_6-0" class="reference"><a href="#cite_note-nim.ac-6"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </th></tr> <tr> <th style="white-space:nowrap"><a href="/wiki/%E4%B8%AD%E5%9B%BD%E5%A4%A7%E9%99%86" title="中国大陆">中国大陆</a> </th> <th style="white-space:nowrap"><a href="/wiki/%E5%8F%B0%E6%B9%BE" class="mw-redirect" title="台湾">台湾</a> </th></tr> <tr> <td><a href="/wiki/%E6%97%B6%E9%97%B4" title="时间">时间</a></td> <td><i>t</i></td> <td><a href="/wiki/%E7%A7%92" title="秒">秒</a></td> <td><a href="/wiki/%E7%A7%92" title="秒">秒</a></td> <td>s</td> <td>T</td> <td>当铯的频率<style data-mw-deduplicate="TemplateStyles:r58896141">.mw-parser-output .serif{font-family:Times,serif}</style><span class="serif"><span class="texhtml">Δ<i>ν</i><sub>Cs</sub></span></span>，即<a href="/wiki/%E9%8A%AB-133" class="mw-redirect" title="銫-133">铯-133</a>原子基态的超精细能级跃迁频率以单位 Hz，即 s<sup>−1</sup>，表示时，将其固定数值取为<span class="nowrap"><span style="display:none" class="sortkey">7009919263177000000♠</span>9<span style="margin-left:.25em;">192</span><span style="margin-left:.25em;">631</span><span style="margin-left:.25em;">770</span></span>来定义秒。 </td></tr> <tr> <td><a href="/wiki/%E9%95%BF%E5%BA%A6" title="长度">长度</a></td> <td><i>l</i></td> <td><a href="/wiki/%E7%B1%B3_(%E5%8D%95%E4%BD%8D)" title="米 (单位)">米</a></td> <td><a href="/wiki/%E5%85%AC%E5%B0%BA" class="mw-redirect" title="公尺">公尺</a></td> <td>m</td> <td>L</td> <td>当真空中光的速度 c 以单位 m/s 表示时，将其固定数值取为 299 792 458 来定义米，其中秒用<link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r58896141"><span class="serif"><span class="texhtml">Δ<i>ν</i><sub>Cs</sub></span></span>定义。 </td></tr> <tr> <td><a href="/wiki/%E8%B4%A8%E9%87%8F" title="质量">质量</a></td> <td><i>m</i></td> <td><a href="/wiki/%E5%8D%83%E5%85%8B" title="千克">千克</a></td> <td><a href="/wiki/%E5%85%AC%E6%96%A4" class="mw-redirect" title="公斤">公斤</a></td> <td>kg</td> <td>M</td> <td>当<a href="/wiki/%E6%99%AE%E6%9C%97%E5%85%8B%E5%B8%B8%E6%95%B0" title="普朗克常数">普朗克常数</a> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r58896141"><span class="serif"><span class="texhtml mvar" style="font-style:italic;margin-left:2px;margin-right:2px;">h</span></span>以单位 J s，即 kg⋅m<sup>2</sup>⋅s<sup>−1</sup>，表示时，将其固定数值取为<span class="nowrap"><span style="display:none" class="sortkey">6966662607015000000♠</span>6.626<span style="margin-left:.25em;">070</span><span style="margin-left:.25em;">15</span><span style="margin-left:0.25em;margin-right:0.15em;">×</span>10<sup>−34</sup></span>来定义千克，其中米和秒用 <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r58896141"><span class="serif"><span class="texhtml mvar" style="font-style:italic;margin-left:2px;margin-right:2px;">c</span></span> 和 <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r58896141"><span class="serif"><span class="texhtml">Δ<i>ν</i><sub>Cs</sub></span></span>定义。 </td></tr> <tr> <td style="white-space:nowrap"><a href="/wiki/%E7%83%AD%E5%8A%9B%E5%AD%A6%E6%B8%A9%E6%A0%87" title="热力学温标">絕對温度</a></td> <td><i>T</i></td> <td><a href="/wiki/%E5%BC%80%E5%B0%94%E6%96%87" title="开尔文">开［尔文］</a></td> <td><a href="/wiki/%E5%BC%80%E5%B0%94%E6%96%87" title="开尔文">克耳文</a></td> <td>K</td> <td>Θ</td> <td>当<a href="/wiki/%E7%8E%BB%E7%88%BE%E8%8C%B2%E6%9B%BC%E5%B8%B8%E6%95%B8" class="mw-redirect" title="玻爾茲曼常數">玻尔兹曼常数</a><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r58896141"><span class="serif"><span class="texhtml mvar" style="font-style:italic;margin-left:2px;margin-right:2px;">k</span></span> 以单位J⋅K<sup>−1</sup>，即 kg⋅m<sup>2</sup>⋅s<sup>−2</sup>⋅K<sup>−1</sup>，表示时，将其固定数值取为<span class="nowrap"><span style="display:none" class="sortkey">6977138064900000000♠</span>1.380<span style="margin-left:.25em;">649</span><span style="margin-left:0.25em;margin-right:0.15em;">×</span>10<sup>−23</sup></span> 来定义开尔文，其中千克、米和秒用<link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r58896141"><span class="serif"><span class="texhtml mvar" style="font-style:italic;margin-left:2px;margin-right:2px;">h</span></span>, <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r58896141"><span class="serif"><span class="texhtml mvar" style="font-style:italic;margin-left:2px;margin-right:2px;">c</span></span> 和<link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r58896141"><span class="serif"><span class="texhtml">Δ<i>ν</i><sub>Cs</sub></span></span>定义。 </td></tr> <tr> <td><a href="/wiki/%E7%94%B5%E6%B5%81" title="电流">电流</a></td> <td><i>I</i></td> <td><a href="/wiki/%E5%AE%89%E5%9F%B9" title="安培">安［培］</a></td> <td><a href="/wiki/%E5%AE%89%E5%9F%B9" title="安培">安培</a></td> <td>A</td> <td>I</td> <td>当<a href="/wiki/%E5%9F%BA%E6%9C%AC%E7%94%B5%E8%8D%B7" title="基本电荷">基本电荷</a> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r58896141"><span class="serif"><span class="texhtml mvar" style="font-style:italic;margin-left:2px;margin-right:2px;">e</span></span>，以单位 <a href="/wiki/%E5%BA%93%E4%BB%91" title="库仑">C</a>，即 A·s，表示时，将其固定数值取为<span class="nowrap"><span style="display:none" class="sortkey">6981160217663400000♠</span>1.602<span style="margin-left:.25em;">176</span><span style="margin-left:.25em;">634</span><span style="margin-left:0.25em;margin-right:0.15em;">×</span>10<sup>−19</sup></span>来定义安培，其中秒用<link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r58896141"><span class="serif"><span class="texhtml">Δ<i>ν</i><sub>Cs</sub></span></span>定义。 </td></tr> <tr> <td><a href="/wiki/%E5%8F%91%E5%85%89%E5%BC%BA%E5%BA%A6" title="发光强度">发光强度</a></td> <td><i>I<sub>v</sub></i></td> <td><a href="/wiki/%E5%9D%8E%E5%BE%B7%E6%8B%89" title="坎德拉">坎［德拉］</a></td> <td><a href="/wiki/%E5%9D%8E%E5%BE%B7%E6%8B%89" title="坎德拉">燭光</a></td> <td>cd</td> <td>J</td> <td>当频率为<span class="nowrap"><span style="display:none" class="sortkey">7014540000000000000♠</span>540<span style="margin-left:0.25em;margin-right:0.15em;">×</span>10<sup>12</sup> Hz</span>的单色辐射的<a href="/wiki/%E7%99%BC%E5%85%89%E6%95%88%E7%8E%87" class="mw-redirect" title="發光效率">发光效率</a>以单位lm⋅W<sup>−1</sup>，即cd⋅sr⋅W<sup>−1</sup>, 或 cd⋅sr⋅kg<sup>−1</sup>⋅m<sup>−2</sup>⋅s<sup>3</sup>，表示时，将其固定数值取为 683 来定义坎德拉，其中千克、米、秒分别用 <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r58896141"><span class="serif"><span class="texhtml mvar" style="font-style:italic;margin-left:2px;margin-right:2px;">h</span></span>, <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r58896141"><span class="serif"><span class="texhtml mvar" style="font-style:italic;margin-left:2px;margin-right:2px;">c</span></span>和<link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r58896141"><span class="serif"><span class="texhtml">Δ<i>ν</i><sub>Cs</sub></span></span>定义。 </td></tr> <tr> <td><a href="/wiki/%E7%89%A9%E8%B4%A8%E7%9A%84%E9%87%8F" title="物质的量">物质的量</a></td> <td><i>n</i></td> <td><a href="/wiki/%E6%91%A9%E5%B0%94_(%E5%8D%95%E4%BD%8D)" title="摩尔 (单位)">摩［尔］</a></td> <td><a href="/wiki/%E6%91%A9%E5%B0%94_(%E5%8D%95%E4%BD%8D)" title="摩尔 (单位)">莫耳</a></td> <td>mol</td> <td>N</td> <td> <p>1 摩尔精确包含 <span class="nowrap"><span style="display:none" class="sortkey">7023602214076000000♠</span>6.022<span style="margin-left:.25em;">140</span><span style="margin-left:.25em;">76</span><span style="margin-left:0.25em;margin-right:0.15em;">×</span>10<sup>23</sup></span>个<span class="ilh-all" data-orig-title="基本實體" data-lang-code="en" data-lang-name="英语" data-foreign-title="Mole (unit)#Nature of the entities"><span class="ilh-page"><a href="/w/index.php?title=%E5%9F%BA%E6%9C%AC%E5%AF%A6%E9%AB%94&action=edit&redlink=1" class="new" title="基本實體（页面不存在）">基本實體</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英语</span><span class="ilh-colon">：</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/Mole_(unit)#Nature_of_the_entities" class="extiw" title="en:Mole (unit)"><span lang="en" dir="auto">Mole (unit)#Nature of the entities</span></a></span>）</span></span>（elementary entities）。该数即为以单位mol<sup>−1</sup>表示的<a href="/wiki/%E9%98%BF%E4%BC%8F%E4%BC%BD%E5%BE%B7%E7%BD%97%E5%B8%B8%E6%95%B0" title="阿伏伽德罗常数">阿伏伽德罗常数</a><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r58896141"><span class="serif"><span class="texhtml"><i>N</i><sub>A</sub></span></span>的固定数值，称为<a href="/wiki/%E9%98%BF%E4%BC%8F%E4%BC%BD%E5%BE%B7%E7%BD%97%E6%95%B0" class="mw-redirect" title="阿伏伽德罗数">阿伏伽德罗数</a>。為一个系统的物质的量，符号 n，是该系统包含的特定基本實體数量的量度。基本實體可以是原子、分子、离子、电子，其它任意粒子或粒子的特定组合。 </p> </td></tr></tbody></table> <div class="mw-heading mw-heading2"><h2 id="注释"><span id=".E6.B3.A8.E9.87.8A"></span>注释</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E5%9B%BD%E9%99%85%E5%8D%95%E4%BD%8D%E5%88%B6%E5%9F%BA%E6%9C%AC%E5%8D%95%E4%BD%8D&action=edit&section=2" title="编辑章节：注释"><span>编辑</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="notelist" style="list-style-type: lower-alpha;"> <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"><b>常用符號</b>是一般情況下的使用習慣，是在<a href="/wiki/%E5%85%AC%E5%BC%8F" title="公式">公式</a>中代表該物理量的變數符號，並無一套絕對標準，長度和位移通常會以 <i>l</i>, <i>d</i>, <i>r</i> 或 <i>s</i> 表示。</span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><b>［］</b>内的字在不致混淆的情况下可以省略。</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">有嚴格規定，相關標準必須遵從。</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"><b>量綱符號</b>用於<a href="/wiki/%E9%87%8F%E7%B6%B1%E5%88%86%E6%9E%90" class="mw-redirect" title="量綱分析">量綱分析</a> (Dimensional Analysis)，應用時以方括括着 <b>[v] = L / T</b>。</span> </li> </ol> </div> <div class="mw-heading mw-heading2"><h2 id="参考文献"><span id=".E5.8F.82.E8.80.83.E6.96.87.E7.8C.AE"></span>参考文献</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E5%9B%BD%E9%99%85%E5%8D%95%E4%BD%8D%E5%88%B6%E5%9F%BA%E6%9C%AC%E5%8D%95%E4%BD%8D&action=edit&section=3" title="编辑章节：参考文献"><span>编辑</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="reflist" style="list-style-type: decimal;"> <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"><cite class="citation web">The Associated Press. <a rel="nofollow" class="external text" href="https://www.nytimes.com/aponline/2018/11/16/world/europe/ap-eu-france-updating-the-kilo-the-latest.html">The Latest: Landmark Change to Kilogram Approved</a>. The New York Times. <span class="reference-accessdate"> [<span class="nowrap">2018-11-17</span>]</span>. （原始内容<a rel="nofollow" class="external text" href="https://web.archive.org/web/20181116173734/https://www.nytimes.com/aponline/2018/11/16/world/europe/ap-eu-france-updating-the-kilo-the-latest.html">存档</a>于2018-11-16）.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fzh.wikipedia.org%3A%E5%9B%BD%E9%99%85%E5%8D%95%E4%BD%8D%E5%88%B6%E5%9F%BA%E6%9C%AC%E5%8D%95%E4%BD%8D&rft.atitle=The+Latest%3A+Landmark+Change+to+Kilogram+Approved&rft.au=The+Associated+Press&rft.genre=unknown&rft.jtitle=The+New+York+Times&rft_id=https%3A%2F%2Fwww.nytimes.com%2Faponline%2F2018%2F11%2F16%2Fworld%2Feurope%2Fap-eu-france-updating-the-kilo-the-latest.html&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-nim.ac-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-nim.ac_6-0">^</a></b></span> <span class="reference-text"><cite class="citation web"><a rel="nofollow" class="external text" href="https://www.nim.ac.cn/sites/default/files/inline-files/1%20第26届国际计量大会（CGPM）决议-%20国际单位制修订（中文版）.pdf">第26届国际计量大会（CGPM）决议- 国际单位制修订（中文版）</a> <span style="font-size:85%;">(PDF)</span>. 中国计量科学研究院. <span class="reference-accessdate"> [<span class="nowrap">2020-05-15</span>]</span>. （原始内容<a rel="nofollow" class="external text" href="https://web.archive.org/web/20200821000408/https://www.nim.ac.cn/sites/default/files/inline-files/1%20%E7%AC%AC26%E5%B1%8A%E5%9B%BD%E9%99%85%E8%AE%A1%E9%87%8F%E5%A4%A7%E4%BC%9A%EF%BC%88CGPM%EF%BC%89%E5%86%B3%E8%AE%AE-%20%E5%9B%BD%E9%99%85%E5%8D%95%E4%BD%8D%E5%88%B6%E4%BF%AE%E8%AE%A2%EF%BC%88%E4%B8%AD%E6%96%87%E7%89%88%EF%BC%89.pdf">存档</a> <span style="font-size:85%;">(PDF)</span>于2020-08-21）.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fzh.wikipedia.org%3A%E5%9B%BD%E9%99%85%E5%8D%95%E4%BD%8D%E5%88%B6%E5%9F%BA%E6%9C%AC%E5%8D%95%E4%BD%8D&rft.btitle=%E7%AC%AC26%E5%B1%8A%E5%9B%BD%E9%99%85%E8%AE%A1%E9%87%8F%E5%A4%A7%E4%BC%9A%EF%BC%88CGPM%EF%BC%89%E5%86%B3%E8%AE%AE-+%E5%9B%BD%E9%99%85%E5%8D%95%E4%BD%8D%E5%88%B6%E4%BF%AE%E8%AE%A2%EF%BC%88%E4%B8%AD%E6%96%87%E7%89%88%EF%BC%89&rft.genre=unknown&rft.pub=%E4%B8%AD%E5%9B%BD%E8%AE%A1%E9%87%8F%E7%A7%91%E5%AD%A6%E7%A0%94%E7%A9%B6%E9%99%A2&rft_id=https%3A%2F%2Fwww.nim.ac.cn%2Fsites%2Fdefault%2Ffiles%2Finline-files%2F1%2520%E7%AC%AC26%E5%B1%8A%E5%9B%BD%E9%99%85%E8%AE%A1%E9%87%8F%E5%A4%A7%E4%BC%9A%EF%BC%88CGPM%EF%BC%89%E5%86%B3%E8%AE%AE-%2520%E5%9B%BD%E9%99%85%E5%8D%95%E4%BD%8D%E5%88%B6%E4%BF%AE%E8%AE%A2%EF%BC%88%E4%B8%AD%E6%96%87%E7%89%88%EF%BC%89.pdf&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;"> </span></span></span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="外部链接"><span id=".E5.A4.96.E9.83.A8.E9.93.BE.E6.8E.A5"></span>外部链接</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E5%9B%BD%E9%99%85%E5%8D%95%E4%BD%8D%E5%88%B6%E5%9F%BA%E6%9C%AC%E5%8D%95%E4%BD%8D&action=edit&section=4" title="编辑章节：外部链接"><span>编辑</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>《中华人民共和国法定计量单位》（<span class="plainlinks"><a class="external text" href="https://zh.wikisource.org/w/index.php?title=%E4%B8%AD%E5%8D%8E%E4%BA%BA%E6%B0%91%E5%85%B1%E5%92%8C%E5%9B%BD%E6%B3%95%E5%AE%9A%E8%AE%A1%E9%87%8F%E5%8D%95%E4%BD%8D&variant=zh-hans">简体</a></span>）（<span class="plainlinks"><a class="external text" href="https://zh.wikisource.org/w/index.php?title=%E4%B8%AD%E5%8D%8E%E4%BA%BA%E6%B0%91%E5%85%B1%E5%92%8C%E5%9B%BD%E6%B3%95%E5%AE%9A%E8%AE%A1%E9%87%8F%E5%8D%95%E4%BD%8D&variant=zh-hant">繁體</a></span>）</li> <li><a rel="nofollow" class="external text" href="https://www.bsmi.gov.tw/wSite/public/Attachment/f1706604321763.pdf">《法定度量衡單位及前綴詞》</a> （<a rel="nofollow" class="external text" href="//web.archive.org/web/20240515082957/https://www.bsmi.gov.tw/wSite/public/Attachment/f1706604321763.pdf">页面存档备份</a>，存于<a href="/wiki/%E4%BA%92%E8%81%94%E7%BD%91%E6%A1%A3%E6%A1%88%E9%A6%86" title="互联网档案馆">互联网档案馆</a>）</li> <li><a rel="nofollow" class="external text" href="http://pansci.asia/archives/111737">《和百年公斤原器說再見！七大國際單位制將改頭換面》</a>（<a rel="nofollow" class="external text" href="//web.archive.org/web/20180319213754/http://pansci.asia/archives/111737">页面存档备份</a>，存于<a href="/wiki/%E4%BA%92%E8%81%94%E7%BD%91%E6%A1%A3%E6%A1%88%E9%A6%86" title="互联网档案馆">互联网档案馆</a>）</li> <li><a rel="nofollow" class="external text" href="http://www.nml.org.tw/measurement/new-knowledge/3698-si%E5%9F%BA%E6%9C%AC%E5%96%AE%E4%BD%8D%E5%AE%9A%E7%BE%A9%E6%9B%B4%E6%96%B0-%E4%B8%8A.html">《SI基本單位定義更新 (上)》</a>（<a rel="nofollow" class="external text" href="//web.archive.org/web/20180319214610/http://www.nml.org.tw/measurement/new-knowledge/3698-si%E5%9F%BA%E6%9C%AC%E5%96%AE%E4%BD%8D%E5%AE%9A%E7%BE%A9%E6%9B%B4%E6%96%B0-%E4%B8%8A.html">页面存档备份</a>，存于<a href="/wiki/%E4%BA%92%E8%81%94%E7%BD%91%E6%A1%A3%E6%A1%88%E9%A6%86" title="互联网档案馆">互联网档案馆</a>）</li> <li><a rel="nofollow" class="external text" href="http://www.nml.org.tw/measurement/new-knowledge/3699-si%E5%9F%BA%E6%9C%AC%E5%96%AE%E4%BD%8D%E5%AE%9A%E7%BE%A9%E6%9B%B4%E6%96%B0-%E4%B8%8B.html">《SI基本單位定義更新 (下)》</a>（<a rel="nofollow" class="external text" href="//web.archive.org/web/20180319214731/http://www.nml.org.tw/measurement/new-knowledge/3699-si%E5%9F%BA%E6%9C%AC%E5%96%AE%E4%BD%8D%E5%AE%9A%E7%BE%A9%E6%9B%B4%E6%96%B0-%E4%B8%8B.html">页面存档备份</a>，存于<a href="/wiki/%E4%BA%92%E8%81%94%E7%BD%91%E6%A1%A3%E6%A1%88%E9%A6%86" title="互联网档案馆">互联网档案馆</a>）</li></ul> <div class="mw-heading mw-heading2"><h2 id="参见"><span id=".E5.8F.82.E8.A7.81"></span>参见</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E5%9B%BD%E9%99%85%E5%8D%95%E4%BD%8D%E5%88%B6%E5%9F%BA%E6%9C%AC%E5%8D%95%E4%BD%8D&action=edit&section=5" title="编辑章节：参见"><span>编辑</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/%E5%9B%BD%E9%99%85%E5%8D%95%E4%BD%8D%E5%88%B6" title="国际单位制">国际单位制</a> <ul><li><a href="/wiki/%E5%9B%BD%E9%99%85%E5%8D%95%E4%BD%8D%E5%88%B6%E8%AF%8D%E5%A4%B4" title="国际单位制词头">国际单位制词头</a></li> <li><a href="/wiki/%E5%9B%BD%E9%99%85%E5%8D%95%E4%BD%8D%E5%88%B6%E5%AF%BC%E5%87%BA%E5%8D%95%E4%BD%8D" title="国际单位制导出单位">国际单位制导出单位</a></li></ul></li> <li><a href="/wiki/%E8%AE%A1%E9%87%8F%E5%8D%95%E4%BD%8D%E7%BB%9F%E4%B8%80%E4%BB%A3%E7%A0%81" title="计量单位统一代码">计量单位统一代码(UCUM)</a></li></ul> <div style="clear: both; height: 1em"></div> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r84265675">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist 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li:last-child::after,.mw-parser-output .sslist li:last-child::after{content:none}</style><style data-mw-deduplicate="TemplateStyles:r84261037">.mw-parser-output .navbox{box-sizing:border-box;border:1px solid #a2a9b1;width:100%;clear:both;font-size:88%;text-align:center;padding:1px;margin:1em auto 0}.mw-parser-output .navbox .navbox{margin-top:0}.mw-parser-output .navbox+.navbox,.mw-parser-output .navbox+.navbox-styles+.navbox{margin-top:-1px}.mw-parser-output .navbox-inner,.mw-parser-output .navbox-subgroup{width:100%}.mw-parser-output .navbox-group,.mw-parser-output .navbox-title,.mw-parser-output .navbox-abovebelow{text-align:center;padding-left:1em;padding-right:1em}.mw-parser-output .navbox-group{white-space:nowrap;text-align:right}.mw-parser-output .navbox,.mw-parser-output .navbox-subgroup{background-color:#fdfdfd}.mw-parser-output .navbox-list{border-color:#fdfdfd}.mw-parser-output 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.navbar{display:block;font-size:100%}.mw-parser-output .navbox-title .navbar{float:left;text-align:left;margin-right:0.5em;width:auto;padding-left:0.2em;position:absolute;left:1em}.mw-parser-output .navbox .mw-collapsible-toggle{margin-left:0.5em;position:absolute;right:1em}body.skin--responsive .mw-parser-output .navbox-image img{max-width:none!important}@media print{body.ns-0 .mw-parser-output .navbox{display:none!important}}</style></div><div role="navigation" class="navbox" aria-labelledby="国际单位" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="collapsible-title navbox-title" colspan="3"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r84265675"><style data-mw-deduplicate="TemplateStyles:r84244141">.mw-parser-output .navbar{display:inline;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:110%;margin:0 8em}.mw-parser-output .navbar-ct-mini{font-size:110%;margin:0 5em}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%E5%8D%95%E4%BD%8D%E5%AF%BC%E8%88%AA%E6%A1%86" title="Template:SI单位导航框"><abbr title="查看该模板">查</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:SI%E5%8D%95%E4%BD%8D%E5%AF%BC%E8%88%AA%E6%A1%86" title="Template talk:SI单位导航框"><abbr title="讨论该模板">论</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:%E7%BC%96%E8%BE%91%E9%A1%B5%E9%9D%A2/Template:SI%E5%8D%95%E4%BD%8D%E5%AF%BC%E8%88%AA%E6%A1%86" title="Special:编辑页面/Template:SI单位导航框"><abbr title="编辑该模板">编</abbr></a></li></ul></div><div id="国际单位" style="font-size:110%;margin:0 5em"><a href="/wiki/%E5%9B%BD%E9%99%85%E5%8D%95%E4%BD%8D%E5%88%B6" title="国际单位制">国际单位</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a class="mw-selflink selflink">基本单位</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/%E7%A7%92" title="秒">秒</a></li> <li><a href="/wiki/%E7%B1%B3_(%E5%8D%95%E4%BD%8D)" title="米 (单位)">米</a></li> <li><a href="/wiki/%E5%8D%83%E5%85%8B" title="千克">千克</a></li> <li><a href="/wiki/%E5%BC%80%E5%B0%94%E6%96%87" title="开尔文">开尔文</a></li> <li><a href="/wiki/%E5%AE%89%E5%9F%B9" title="安培">安培</a></li> <li><a href="/wiki/%E5%9D%8E%E5%BE%B7%E6%8B%89" title="坎德拉">坎德拉</a></li> <li><a href="/wiki/%E6%91%A9%E5%B0%94_(%E5%8D%95%E4%BD%8D)" title="摩尔 (单位)">摩尔</a></li></ul> </div></td><td class="noviewer navbox-image" rowspan="4" style="width:1px;padding:0px 0px 0px 2px"><div><span typeof="mw:File"><a href="/wiki/File:International_System_Of_Units_Logo.png" class="mw-file-description" title="SI base unit"><img alt="SI base unit" src="//upload.wikimedia.org/wikipedia/commons/thumb/1/11/International_System_Of_Units_Logo.png/125px-International_System_Of_Units_Logo.png" decoding="async" width="125" height="125" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/11/International_System_Of_Units_Logo.png/188px-International_System_Of_Units_Logo.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/11/International_System_Of_Units_Logo.png/250px-International_System_Of_Units_Logo.png 2x" data-file-width="2481" data-file-height="2481" /></a></span></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/%E5%9B%BD%E9%99%85%E5%8D%95%E4%BD%8D%E5%88%B6%E5%AF%BC%E5%87%BA%E5%8D%95%E4%BD%8D" title="国际单位制导出单位">导出单位</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/%E8%B5%AB%E5%85%B9" title="赫兹">赫兹</a></li> <li><a href="/wiki/%E5%BC%A7%E5%BA%A6" title="弧度">弧度</a></li> <li><a href="/wiki/%E7%90%83%E9%9D%A2%E5%BA%A6" title="球面度">球面度</a></li> <li><a href="/wiki/%E7%89%9B%E9%A0%93_(%E5%96%AE%E4%BD%8D)" title="牛頓 (單位)">牛頓</a></li> <li><a href="/wiki/%E5%B8%95%E6%96%AF%E5%8D%A1" title="帕斯卡">帕斯卡</a></li> <li><a href="/wiki/%E7%84%A6%E8%80%B3" title="焦耳">焦耳</a></li> <li><a href="/wiki/%E7%93%A6%E7%89%B9" title="瓦特">瓦特</a></li> <li><a href="/wiki/%E5%BA%93%E4%BB%91" title="库仑">库仑</a></li> <li><a href="/wiki/%E4%BC%8F%E7%89%B9" title="伏特">伏特</a></li> <li><a href="/wiki/%E6%AD%90%E5%A7%86" title="歐姆">歐姆</a></li> <li><a href="/wiki/%E6%B3%95%E6%8B%89" title="法拉">法拉</a></li> <li><a href="/wiki/%E8%A5%BF%E9%96%80%E5%AD%90_(%E5%96%AE%E4%BD%8D)" title="西門子 (單位)">西门子</a></li> <li><a href="/wiki/%E9%9F%A6%E4%BC%AF_(%E5%8D%95%E4%BD%8D)" title="韦伯 (单位)">韋伯</a></li> <li><a href="/wiki/%E7%89%B9%E6%96%AF%E6%8B%89_(%E5%8D%95%E4%BD%8D)" title="特斯拉 (单位)">特斯拉</a></li> <li><a href="/wiki/%E4%BA%A8%E5%88%A9_(%E5%8D%95%E4%BD%8D)" title="亨利 (单位)">亨利</a></li> <li><a href="/wiki/%E6%91%84%E6%B0%8F%E6%B8%A9%E6%A0%87" title="摄氏温标">摄氏度</a></li> <li><a href="/wiki/%E6%B5%81%E6%98%8E" title="流明">流明</a></li> <li><a href="/wiki/%E5%8B%92%E5%85%8B%E6%96%AF" title="勒克斯">勒克斯</a></li> <li><a href="/wiki/%E8%B4%9D%E5%85%8B%E5%8B%92%E5%B0%94" title="贝克勒尔">贝克勒尔</a></li> <li><a href="/wiki/%E6%88%88%E7%91%9E" title="戈瑞">戈瑞</a></li> <li><a href="/wiki/%E8%A5%BF%E5%BC%97" title="西弗">希沃特</a></li> <li><a href="/wiki/%E9%96%8B%E7%89%B9" title="開特">開特</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/%E5%8F%AF%E4%B8%A6%E7%94%A8%E5%96%AE%E4%BD%8D" title="可並用單位">可並用單位</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/%E5%A4%A9%E6%96%87%E5%96%AE%E4%BD%8D" title="天文單位">天文單位</a></li> <li><a href="/wiki/%E5%85%AC%E5%99%B8" title="公噸">吨</a></li> <li><a href="/wiki/%E9%81%93%E5%B0%94%E9%A1%BF_(%E5%8D%95%E4%BD%8D)" title="道尔顿 (单位)">原子質量單位</a></li> <li><a href="/wiki/%E5%85%AC%E5%8D%87" title="公升">升</a></li> <li><a href="/wiki/%E5%88%86%E9%92%9F" title="分钟">分</a></li> <li><a href="/wiki/%E5%B0%8F%E6%97%B6" title="小时">小时</a></li> <li><a href="/wiki/%E6%97%A5" title="日">天</a></li> <li><a href="/wiki/%E5%BA%A6_(%E8%A7%92)" title="度 (角)">度</a></li> <li><a href="/wiki/%E5%BC%A7%E5%88%86" title="弧分">角分</a></li> <li><a href="/wiki/%E5%BC%A7%E7%A7%92" title="弧秒">角秒</a></li> <li><a href="/wiki/%E9%9B%BB%E5%AD%90%E4%BC%8F%E7%89%B9" title="電子伏特">电子伏</a></li> <li><a href="/wiki/%E5%88%86%E8%B2%9D" title="分貝">分貝</a></li> <li><a href="/wiki/%E5%85%AC%E9%A1%B7" title="公顷">公顷</a></li> <li><a href="/wiki/%E5%A5%88%E5%9F%B9" title="奈培">奈培</a></li> <li><a href="/wiki/%E5%8E%9F%E5%AD%90%E5%8D%95%E4%BD%8D%E5%88%B6" title="原子单位制">原子單位</a></li> <li><a href="/wiki/%E8%87%AA%E7%84%B6%E5%96%AE%E4%BD%8D%E5%88%B6" class="mw-redirect" title="自然單位制">自然單位</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">參閱</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a 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