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href="#Origin_and_spelling"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Origin and spelling</span> </div> </a> <ul id="toc-Origin_and_spelling-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Conversions" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Conversions"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Conversions</span> </div> </a> <ul id="toc-Conversions-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Derived_units" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Derived_units"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Derived units</span> </div> </a> <ul id="toc-Derived_units-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Alternative_usages" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Alternative_usages"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Alternative usages</span> </div> </a> <button aria-controls="toc-Alternative_usages-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Alternative usages subsection</span> </button> <ul id="toc-Alternative_usages-sublist" class="vector-toc-list"> <li id="toc-Metric_ton_units" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Metric_ton_units"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.1</span> <span>Metric ton units</span> </div> </a> <ul id="toc-Metric_ton_units-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Use_of_mass_as_proxy_for_energy" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Use_of_mass_as_proxy_for_energy"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.2</span> <span>Use of mass as proxy for energy</span> </div> </a> <ul id="toc-Use_of_mass_as_proxy_for_energy-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Unit_of_force" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Unit_of_force"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.3</span> <span>Unit of force</span> </div> </a> <ul id="toc-Unit_of_force-sublist" class="vector-toc-list"> </ul> </li> </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">6</span> <span>See also</span> </div> </a> <ul id="toc-See_also-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Notes_and_references" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Notes_and_references"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>Notes and references</span> </div> </a> <ul id="toc-Notes_and_references-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-External_links" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#External_links"> <div class="vector-toc-text"> <span class="vector-toc-numb">8</span> <span>External links</span> </div> </a> <ul id="toc-External_links-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" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" title="Table of Contents" > <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="Toggle the table of contents" > <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">Toggle the table of contents</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">Tonne</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="Go to an article in another language. Available in 88 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-88" 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">88 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Ton" title="Ton – Afrikaans" lang="af" hreflang="af" data-title="Ton" data-language-autonym="Afrikaans" data-language-local-name="Afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B7%D9%86" title="طن – Arabic" lang="ar" hreflang="ar" data-title="طن" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Tonelada" title="Tonelada – Asturian" lang="ast" hreflang="ast" data-title="Tonelada" data-language-autonym="Asturianu" data-language-local-name="Asturian" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-gn mw-list-item"><a href="https://gn.wikipedia.org/wiki/Tonel%C3%A1da" title="Toneláda – Guarani" lang="gn" hreflang="gn" data-title="Toneláda" data-language-autonym="Avañe'ẽ" data-language-local-name="Guarani" class="interlanguage-link-target"><span>Avañe'ẽ</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Ton" title="Ton – Azerbaijani" lang="az" hreflang="az" data-title="Ton" data-language-autonym="Azərbaycanca" data-language-local-name="Azerbaijani" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%D8%AA%D9%88%D9%86_(%D8%A8%DB%8C%D8%B1%DB%8C%D9%85)" title="تون (بیریم) – South Azerbaijani" lang="azb" hreflang="azb" data-title="تون (بیریم)" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%AE%E0%A7%87%E0%A6%9F%E0%A7%8D%E0%A6%B0%E0%A6%BF%E0%A6%95_%E0%A6%9F%E0%A6%A8" title="মেট্রিক টন – Bangla" lang="bn" hreflang="bn" data-title="মেট্রিক টন" data-language-autonym="বাংলা" data-language-local-name="Bangla" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%A2%D0%BE%D0%BD%D0%B0" title="Тона – Belarusian" lang="be" hreflang="be" data-title="Тона" data-language-autonym="Беларуская" data-language-local-name="Belarusian" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%A2%D0%BE%D0%BD%D0%B0" title="Тона – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Тона" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%A2%D0%BE%D0%BD" title="Тон – Bulgarian" lang="bg" hreflang="bg" data-title="Тон" data-language-autonym="Български" data-language-local-name="Bulgarian" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Tona" title="Tona – Bosnian" lang="bs" hreflang="bs" data-title="Tona" data-language-autonym="Bosanski" data-language-local-name="Bosnian" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-br mw-list-item"><a href="https://br.wikipedia.org/wiki/Tonenn_(mas)" title="Tonenn (mas) – Breton" lang="br" hreflang="br" data-title="Tonenn (mas)" 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/Tona_(unitat)" title="Tona (unitat) – Catalan" lang="ca" hreflang="ca" data-title="Tona (unitat)" data-language-autonym="Català" data-language-local-name="Catalan" 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%A2%D0%BE%D0%BD%D0%BD%D0%B0" title="Тонна – Chuvash" lang="cv" hreflang="cv" data-title="Тонна" data-language-autonym="Чӑвашла" data-language-local-name="Chuvash" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Tuna" title="Tuna – Czech" lang="cs" hreflang="cs" data-title="Tuna" 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/Ton" title="Ton – Danish" lang="da" hreflang="da" data-title="Ton" data-language-autonym="Dansk" data-language-local-name="Danish" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Tonne_(Einheit)" title="Tonne (Einheit) – German" lang="de" hreflang="de" data-title="Tonne (Einheit)" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Tonn" title="Tonn – Estonian" lang="et" hreflang="et" data-title="Tonn" data-language-autonym="Eesti" data-language-local-name="Estonian" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%A4%CF%8C%CE%BD%CE%BF%CF%82_(%CE%BC%CE%BF%CE%BD%CE%AC%CE%B4%CE%B1_%CE%BC%CE%AD%CF%84%CF%81%CE%B7%CF%83%CE%B7%CF%82)" title="Τόνος (μονάδα μέτρησης) – Greek" lang="el" hreflang="el" data-title="Τόνος (μονάδα μέτρησης)" data-language-autonym="Ελληνικά" data-language-local-name="Greek" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Tonelada" title="Tonelada – Spanish" lang="es" hreflang="es" data-title="Tonelada" 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/Tuno" title="Tuno – Esperanto" lang="eo" hreflang="eo" data-title="Tuno" 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/Tona" title="Tona – Basque" lang="eu" hreflang="eu" data-title="Tona" 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/%D8%AA%D9%86_(%DB%8C%DA%A9%D8%A7)" title="تن (یکا) – Persian" lang="fa" hreflang="fa" data-title="تن (یکا)" 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/Tonne" title="Tonne – French" lang="fr" hreflang="fr" data-title="Tonne" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-fy mw-list-item"><a href="https://fy.wikipedia.org/wiki/Ton_(massa)" title="Ton (massa) – Western Frisian" lang="fy" hreflang="fy" data-title="Ton (massa)" data-language-autonym="Frysk" data-language-local-name="Western Frisian" class="interlanguage-link-target"><span>Frysk</span></a></li><li class="interlanguage-link interwiki-gv mw-list-item"><a href="https://gv.wikipedia.org/wiki/Thunney" title="Thunney – Manx" lang="gv" hreflang="gv" data-title="Thunney" data-language-autonym="Gaelg" data-language-local-name="Manx" class="interlanguage-link-target"><span>Gaelg</span></a></li><li class="interlanguage-link interwiki-gd mw-list-item"><a href="https://gd.wikipedia.org/wiki/Tunna" title="Tunna – Scottish Gaelic" lang="gd" hreflang="gd" data-title="Tunna" data-language-autonym="Gàidhlig" data-language-local-name="Scottish Gaelic" class="interlanguage-link-target"><span>Gàidhlig</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Tonelada" title="Tonelada – Galician" lang="gl" hreflang="gl" data-title="Tonelada" data-language-autonym="Galego" data-language-local-name="Galician" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-gan mw-list-item"><a href="https://gan.wikipedia.org/wiki/%E5%99%B8" title="噸 – Gan" lang="gan" hreflang="gan" data-title="噸" data-language-autonym="贛語" data-language-local-name="Gan" class="interlanguage-link-target"><span>贛語</span></a></li><li class="interlanguage-link interwiki-hak mw-list-item"><a href="https://hak.wikipedia.org/wiki/K%C3%BBng-t%C3%BAn" title="Kûng-tún – Hakka Chinese" lang="hak" hreflang="hak" data-title="Kûng-tún" data-language-autonym="客家語 / Hak-kâ-ngî" data-language-local-name="Hakka Chinese" class="interlanguage-link-target"><span>客家語 / Hak-kâ-ngî</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EB%AF%B8%ED%84%B0%ED%86%A4" title="미터톤 – Korean" lang="ko" hreflang="ko" data-title="미터톤" 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%8F%D5%B8%D5%B6%D5%B6%D5%A1" title="Տոննա – Armenian" lang="hy" hreflang="hy" data-title="Տոննա" 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%AE%E0%A5%80%E0%A4%9F%E0%A4%B0%E0%A5%80_%E0%A4%9F%E0%A4%A8" title="मीटरी टन – Hindi" lang="hi" hreflang="hi" data-title="मीटरी टन" data-language-autonym="हिन्दी" data-language-local-name="Hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Tona" title="Tona – Croatian" lang="hr" hreflang="hr" data-title="Tona" data-language-autonym="Hrvatski" data-language-local-name="Croatian" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Ton_metrik" title="Ton metrik – Indonesian" lang="id" hreflang="id" data-title="Ton metrik" 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/Tonn" title="Tonn – Icelandic" lang="is" hreflang="is" data-title="Tonn" 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/Tonnellata" title="Tonnellata – Italian" lang="it" hreflang="it" data-title="Tonnellata" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%98%D7%95%D7%A0%D7%94_(%D7%99%D7%97%D7%99%D7%93%D7%AA_%D7%9E%D7%99%D7%93%D7%94)" title="טונה (יחידת מידה) – Hebrew" lang="he" hreflang="he" data-title="טונה (יחידת מידה)" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-krc mw-list-item"><a href="https://krc.wikipedia.org/wiki/%D0%A2%D0%BE%D0%BD%D0%BD%D0%B0" title="Тонна – Karachay-Balkar" lang="krc" hreflang="krc" data-title="Тонна" data-language-autonym="Къарачай-малкъар" data-language-local-name="Karachay-Balkar" class="interlanguage-link-target"><span>Къарачай-малкъар</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%A2%E1%83%9D%E1%83%9C%E1%83%90" title="ტონა – Georgian" lang="ka" hreflang="ka" data-title="ტონა" 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%A2%D0%BE%D0%BD%D0%BD%D0%B0" title="Тонна – Kazakh" lang="kk" hreflang="kk" data-title="Тонна" data-language-autonym="Қазақша" data-language-local-name="Kazakh" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Tani" title="Tani – Swahili" lang="sw" hreflang="sw" data-title="Tani" data-language-autonym="Kiswahili" data-language-local-name="Swahili" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-ku mw-list-item"><a href="https://ku.wikipedia.org/wiki/Ton" title="Ton – Kurdish" lang="ku" hreflang="ku" data-title="Ton" data-language-autonym="Kurdî" data-language-local-name="Kurdish" class="interlanguage-link-target"><span>Kurdî</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Tonna" title="Tonna – Latin" lang="la" hreflang="la" data-title="Tonna" data-language-autonym="Latina" data-language-local-name="Latin" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Tonna" title="Tonna – Latvian" lang="lv" hreflang="lv" data-title="Tonna" 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/Tona" title="Tona – Lithuanian" lang="lt" hreflang="lt" data-title="Tona" 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/Tonna" title="Tonna – Hungarian" lang="hu" hreflang="hu" data-title="Tonna" 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%A2%D0%BE%D0%BD%D0%B0" title="Тона – Macedonian" lang="mk" hreflang="mk" data-title="Тона" 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%9F%E0%B5%BA" title="ടൺ – Malayalam" lang="ml" hreflang="ml" data-title="ടൺ" 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%9F%E0%A4%A8" title="टन – Marathi" lang="mr" hreflang="mr" data-title="टन" data-language-autonym="मराठी" data-language-local-name="Marathi" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-xmf mw-list-item"><a href="https://xmf.wikipedia.org/wiki/%E1%83%A2%E1%83%9D%E1%83%9C%E1%83%90" title="ტონა – Mingrelian" lang="xmf" hreflang="xmf" data-title="ტონა" data-language-autonym="მარგალური" data-language-local-name="Mingrelian" class="interlanguage-link-target"><span>მარგალური</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Tan_metrik" title="Tan metrik – Malay" lang="ms" hreflang="ms" data-title="Tan metrik" data-language-autonym="Bahasa Melayu" data-language-local-name="Malay" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D0%A2%D0%BE%D0%BD%D0%BD" title="Тонн – Mongolian" lang="mn" hreflang="mn" data-title="Тонн" data-language-autonym="Монгол" data-language-local-name="Mongolian" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Ton_(massa)" title="Ton (massa) – Dutch" lang="nl" hreflang="nl" data-title="Ton (massa)" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ne mw-list-item"><a href="https://ne.wikipedia.org/wiki/%E0%A4%9F%E0%A4%A8" title="टन – Nepali" lang="ne" hreflang="ne" data-title="टन" data-language-autonym="नेपाली" data-language-local-name="Nepali" class="interlanguage-link-target"><span>नेपाली</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%83%88%E3%83%B3" title="トン – Japanese" lang="ja" hreflang="ja" data-title="トン" 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/Tonn" title="Tonn – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="Tonn" 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/Tonn" title="Tonn – Norwegian Nynorsk" lang="nn" hreflang="nn" data-title="Tonn" 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-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Tona" title="Tona – Occitan" lang="oc" hreflang="oc" data-title="Tona" data-language-autonym="Occitan" data-language-local-name="Occitan" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Tonna_(o%CA%BBlchov_birligi)" title="Tonna (oʻlchov birligi) – Uzbek" lang="uz" hreflang="uz" data-title="Tonna (oʻlchov birligi)" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="Uzbek" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%9F%E0%A8%A8" title="ਟਨ – Punjabi" lang="pa" hreflang="pa" data-title="ਟਨ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="Punjabi" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pnb mw-list-item"><a href="https://pnb.wikipedia.org/wiki/%D9%B9%DD%A8" title="ٹݨ – Western Punjabi" lang="pnb" hreflang="pnb" data-title="ٹݨ" data-language-autonym="پنجابی" data-language-local-name="Western Punjabi" class="interlanguage-link-target"><span>پنجابی</span></a></li><li class="interlanguage-link interwiki-jam mw-list-item"><a href="https://jam.wikipedia.org/wiki/Ton" title="Ton – Jamaican Creole English" lang="jam" hreflang="jam" data-title="Ton" data-language-autonym="Patois" data-language-local-name="Jamaican Creole English" class="interlanguage-link-target"><span>Patois</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Tona" title="Tona – Polish" lang="pl" hreflang="pl" data-title="Tona" 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/Tonelada" title="Tonelada – Portuguese" lang="pt" hreflang="pt" data-title="Tonelada" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Ton%C4%83" title="Tonă – Romanian" lang="ro" hreflang="ro" data-title="Tonă" data-language-autonym="Română" data-language-local-name="Romanian" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-rue mw-list-item"><a href="https://rue.wikipedia.org/wiki/%D0%A2%D0%BE%D0%BD%D0%B0" title="Тона – Rusyn" lang="rue" hreflang="rue" data-title="Тона" data-language-autonym="Русиньскый" data-language-local-name="Rusyn" class="interlanguage-link-target"><span>Русиньскый</span></a></li><li class="interlanguage-link interwiki-scn mw-list-item"><a href="https://scn.wikipedia.org/wiki/Tunnillata" title="Tunnillata – Sicilian" lang="scn" hreflang="scn" data-title="Tunnillata" 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/Metric_ton" title="Metric ton – Simple English" lang="en-simple" hreflang="en-simple" data-title="Metric ton" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Tona" title="Tona – Slovak" lang="sk" hreflang="sk" data-title="Tona" data-language-autonym="Slovenčina" data-language-local-name="Slovak" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Tona" title="Tona – Slovenian" lang="sl" hreflang="sl" data-title="Tona" data-language-autonym="Slovenščina" data-language-local-name="Slovenian" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-cu mw-list-item"><a href="https://cu.wikipedia.org/wiki/%D0%A2%D0%BE%D0%BD%D0%B0" title="Тона – Church Slavic" lang="cu" hreflang="cu" data-title="Тона" data-language-autonym="Словѣньскъ / ⰔⰎⰑⰂⰡⰐⰠⰔⰍⰟ" data-language-local-name="Church Slavic" class="interlanguage-link-target"><span>Словѣньскъ / ⰔⰎⰑⰂⰡⰐⰠⰔⰍⰟ</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%A2%D0%BE%D0%BD%D0%B0" title="Тона – Serbian" lang="sr" hreflang="sr" data-title="Тона" 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-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Tona" title="Tona – Serbo-Croatian" lang="sh" hreflang="sh" data-title="Tona" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croatian" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Tonni" title="Tonni – Finnish" lang="fi" hreflang="fi" data-title="Tonni" 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/Ton_(metriskt)" title="Ton (metriskt) – Swedish" lang="sv" hreflang="sv" data-title="Ton (metriskt)" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%9F%E0%AE%A9%E0%AF%8D" title="டன் – Tamil" lang="ta" hreflang="ta" data-title="டன்" data-language-autonym="தமிழ்" data-language-local-name="Tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%9F%E0%B0%A8%E0%B1%8D%E0%B0%A8%E0%B1%81" title="టన్ను – Telugu" lang="te" hreflang="te" data-title="టన్ను" data-language-autonym="తెలుగు" data-language-local-name="Telugu" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%95%E0%B8%B1%E0%B8%99" title="ตัน – Thai" lang="th" hreflang="th" data-title="ตัน" data-language-autonym="ไทย" data-language-local-name="Thai" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tg mw-list-item"><a href="https://tg.wikipedia.org/wiki/%D0%A2%D0%BE%D0%BD%D0%BD" title="Тонн – Tajik" lang="tg" hreflang="tg" data-title="Тонн" data-language-autonym="Тоҷикӣ" data-language-local-name="Tajik" class="interlanguage-link-target"><span>Тоҷикӣ</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Ton_(birim)" title="Ton (birim) – Turkish" lang="tr" hreflang="tr" data-title="Ton (birim)" 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%A2%D0%BE%D0%BD%D0%BD%D0%B0" title="Тонна – Ukrainian" lang="uk" hreflang="uk" data-title="Тонна" 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/T%E1%BA%A5n" title="Tấn – Vietnamese" lang="vi" hreflang="vi" data-title="Tấn" 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-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Tonelada" title="Tonelada – Waray" lang="war" hreflang="war" data-title="Tonelada" data-language-autonym="Winaray" data-language-local-name="Waray" class="interlanguage-link-target"><span>Winaray</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E5%90%A8" title="吨 – Wu" lang="wuu" hreflang="wuu" data-title="吨" data-language-autonym="吴语" data-language-local-name="Wu" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-yi mw-list-item"><a href="https://yi.wikipedia.org/wiki/%D7%98%D7%90%D7%9F" title="טאן – Yiddish" lang="yi" hreflang="yi" data-title="טאן" data-language-autonym="ייִדיש" data-language-local-name="Yiddish" class="interlanguage-link-target"><span>ייִדיש</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E5%85%AC%E5%99%B8" title="公噸 – Cantonese" lang="yue" hreflang="yue" data-title="公噸" data-language-autonym="粵語" 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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">Metric unit of mass equivalent to 1,000 kilograms or 1 megagram</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 metric unit of mass. For other ton units, see <a href="/wiki/Ton" title="Ton">Ton</a>. For other uses of tonne, see <a href="/wiki/Tonne_(disambiguation)" class="mw-disambig" title="Tonne (disambiguation)">Tonne (disambiguation)</a>. For other uses of "megagram", see <a href="/wiki/Megagram_(geometry)" class="mw-redirect" title="Megagram (geometry)">Megagram (geometry)</a>.</div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">"Gigatons" redirects here. For the album by Pearl Jam, see <a href="/wiki/Gigaton" title="Gigaton">Gigaton</a>.</div> <style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox ib-unit"><tbody><tr><th colspan="2" class="infobox-above">Tonne <br /> <span style="font-size:85%;">Megagram</span></th></tr><tr><td colspan="2" class="infobox-image notheme" style="background-color: #f8f9fa;"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:A_1-tonne_weight_(geograph_6511341).jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/38/A_1-tonne_weight_%28geograph_6511341%29.jpg/220px-A_1-tonne_weight_%28geograph_6511341%29.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/38/A_1-tonne_weight_%28geograph_6511341%29.jpg/330px-A_1-tonne_weight_%28geograph_6511341%29.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/38/A_1-tonne_weight_%28geograph_6511341%29.jpg/440px-A_1-tonne_weight_%28geograph_6511341%29.jpg 2x" data-file-width="1024" data-file-height="768" /></a></span><div class="infobox-caption">A one-tonne (1000-kilogram) concrete block</div></td></tr><tr><th colspan="2" class="infobox-header">General information</th></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/System_of_units_of_measurement" title="System of units of measurement">Unit system</a></th><td class="infobox-data"><a href="/wiki/Non-SI_units_mentioned_in_the_SI" title="Non-SI units mentioned in the SI">Non-SI</a></td></tr><tr><th scope="row" class="infobox-label">Unit of</th><td class="infobox-data">mass</td></tr><tr><th scope="row" class="infobox-label">Symbol</th><td class="infobox-data">t <br /> Mg</td></tr><tr><th scope="row" class="infobox-label">In <a href="/wiki/SI_unit" class="mw-redirect" title="SI unit">SI units</a>:</th><td class="infobox-data"><span class="nowrap"><span data-sort-value="7003100000000000000♠"></span>1000 kg</span></td></tr></tbody></table><style data-mw-deduplicate="TemplateStyles:r1236303919">@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-has-images-with-white-backgrounds img{background:white}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-has-images-with-white-backgrounds img{background:white}}</style> <p>The <b>tonne</b> (<span class="rt-commentedText nowrap"><span class="IPA nopopups noexcerpt" lang="en-fonipa"><a href="/wiki/Help:IPA/English" title="Help:IPA/English">/<span style="border-bottom:1px dotted"><span title="'t' in 'tie'">t</span><span title="/ʌ/: 'u' in 'cut'">ʌ</span><span title="'n' in 'nigh'">n</span></span>/</a></span> <span class="ext-phonos"><span data-nosnippet="" id="ooui-php-1" class="noexcerpt ext-phonos-PhonosButton ext-phonos-PhonosButton-emptylabel oo-ui-widget oo-ui-widget-enabled oo-ui-buttonElement oo-ui-buttonElement-frameless oo-ui-iconElement oo-ui-buttonWidget" data-ooui="{"_":"mw.Phonos.PhonosButton","href":"\/\/upload.wikimedia.org\/wikipedia\/commons\/transcoded\/0\/06\/En-us-tonne.ogg\/En-us-tonne.ogg.mp3","rel":["nofollow"],"framed":false,"icon":"volumeUp","data":{"ipa":"","text":"","lang":"en","wikibase":"","file":"En-us-tonne.ogg"},"classes":["noexcerpt","ext-phonos-PhonosButton","ext-phonos-PhonosButton-emptylabel"]}"><a role="button" tabindex="0" href="//upload.wikimedia.org/wikipedia/commons/transcoded/0/06/En-us-tonne.ogg/En-us-tonne.ogg.mp3" rel="nofollow" aria-label="Play audio" title="Play audio" class="oo-ui-buttonElement-button"><span class="oo-ui-iconElement-icon oo-ui-icon-volumeUp"></span><span class="oo-ui-labelElement-label"></span><span class="oo-ui-indicatorElement-indicator oo-ui-indicatorElement-noIndicator"></span></a></span><sup class="ext-phonos-attribution noexcerpt navigation-not-searchable"><a href="/wiki/File:En-us-tonne.ogg" title="File:En-us-tonne.ogg">ⓘ</a></sup></span></span> or <span class="rt-commentedText nowrap"><span class="IPA nopopups noexcerpt" lang="en-fonipa"><a href="/wiki/Help:IPA/English" title="Help:IPA/English">/<span style="border-bottom:1px dotted"><span title="'t' in 'tie'">t</span><span title="/ɒ/: 'o' in 'body'">ɒ</span><span title="'n' in 'nigh'">n</span></span>/</a></span></span>; symbol: <b>t</b>) is a unit of mass equal to 1,000 <a href="/wiki/Kilogram" title="Kilogram">kilograms</a>. It is a <a href="/wiki/Non-SI_units_mentioned_in_the_SI" title="Non-SI units mentioned in the SI">non-SI unit accepted for use with SI</a>. It is also referred to as a <b>metric ton</b> in the United States to distinguish it from the <a href="/wiki/Ton" title="Ton">non-metric units</a> of the <a href="/wiki/Short_ton" title="Short ton">short ton</a> (<a href="/wiki/United_States_customary_units" title="United States customary units">United States customary units</a>) and the <a href="/wiki/Long_ton" title="Long ton">long ton</a> (<a href="/wiki/Imperial_units" title="Imperial units">British imperial units</a>). It is equivalent to approximately 2,204.6 <a href="/wiki/International_avoirdupois_pound" class="mw-redirect" title="International avoirdupois pound">pounds</a>, 1.102 short tons, and 0.984 long tons. The official SI unit is the <b>megagram</b> (<b>Mg</b>), a less common way to express the same amount. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Symbol_and_abbreviations">Symbol and abbreviations</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Tonne&action=edit&section=1" title="Edit section: Symbol and abbreviations"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The <a href="/wiki/International_Bureau_of_Weights_and_Measures" title="International Bureau of Weights and Measures">BIPM</a> symbol for the tonne is t, adopted at the same time as the unit in 1879.<sup id="cite_ref-bippy_1-0" class="reference"><a href="#cite_note-bippy-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> Its use is also official for the metric ton in the United States, having been adopted by the United States <a href="/wiki/National_Institute_of_Standards_and_Technology" title="National Institute of Standards and Technology">National Institute of Standards and Technology</a> (NIST).<sup id="cite_ref-fedreg_2-0" class="reference"><a href="#cite_note-fedreg-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> It is a symbol, not an abbreviation, and should not be followed by a <a href="/wiki/Period_(punctuation)" class="mw-redirect" title="Period (punctuation)">period</a>. Use of lower case is significant, and use of other letter combinations can lead to ambiguity. For example, T, MT, mT, are the SI symbols for the <a href="/wiki/Tesla_(unit)" title="Tesla (unit)">tesla</a>, megatesla, and millitesla, respectively, while Mt and mt are SI-compatible symbols for the megatonne (one teragram) and millitonne (one kilogram). If describing <a href="/wiki/TNT_equivalent" title="TNT equivalent">TNT equivalent</a> units of energy, one megatonne of TNT is equivalent to approximately 4.184 <a href="/wiki/Petajoule" class="mw-redirect" title="Petajoule">petajoules</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Origin_and_spelling">Origin and spelling</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Tonne&action=edit&section=2" title="Edit section: Origin and spelling"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In English, <i>tonne</i> is an established spelling alternative to <i>metric ton</i>.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> In American English and British English, tonne is usually pronounced the same as ton (<span class="rt-commentedText nowrap"><span class="IPA nopopups noexcerpt" lang="en-fonipa"><a href="/wiki/Help:IPA/English" title="Help:IPA/English">/<span style="border-bottom:1px dotted"><span title="'t' in 'tie'">t</span><span title="/ʌ/: 'u' in 'cut'">ʌ</span><span title="'n' in 'nigh'">n</span></span>/</a></span></span>), but the final "e" can also be pronounced, i.e. "<b>tunnie</b>" (<span class="rt-commentedText nowrap"><span class="IPA nopopups noexcerpt" lang="en-fonipa"><a href="/wiki/Help:IPA/English" title="Help:IPA/English">/<span style="border-bottom:1px dotted"><span title="/ˈ/: primary stress follows">ˈ</span><span title="'t' in 'tie'">t</span><span title="/ʌ/: 'u' in 'cut'">ʌ</span><span title="'n' in 'nigh'">n</span><span title="/i/: 'y' in 'happy'">i</span></span>/</a></span></span>).<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> In Australian English, the common and recommended pronunciation is <span class="rt-commentedText nowrap"><span class="IPA nopopups noexcerpt" lang="en-fonipa"><a href="/wiki/Help:IPA/English" title="Help:IPA/English">/<span style="border-bottom:1px dotted"><span title="'t' in 'tie'">t</span><span title="/ɒ/: 'o' in 'body'">ɒ</span><span title="'n' in 'nigh'">n</span></span>/</a></span></span>.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> In the United States, <i>metric ton</i> is the name for this unit used and recommended by NIST;<sup id="cite_ref-fedreg_2-1" class="reference"><a href="#cite_note-fedreg-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> an unqualified mention of a <i>ton</i> typically refers to a <a href="/wiki/Short_ton" title="Short ton">short ton</a> of 2,000 lb (907.2 kg) and to a lesser extent to a <a href="/wiki/Long_ton" title="Long ton">long ton</a> of 2,240 lb (1,016 kg), with the term <i>tonne</i> rarely used in speech or writing. Both terms are acceptable in <a href="/wiki/Canadian_English" title="Canadian English">Canadian English</a>. </p><p><i>Ton</i> and <i>tonne</i> are both derived from a <a href="/wiki/Germanic_languages" title="Germanic languages">Germanic</a> word in general use in the <a href="/wiki/North_Sea" title="North Sea">North Sea</a> area since the <a href="/wiki/Middle_Ages" title="Middle Ages">Middle Ages</a> (<abbr title="compare">cf.</abbr> <a href="/wiki/Old_English" title="Old English">Old English</a> and <a href="/wiki/Old_Frisian" title="Old Frisian">Old Frisian</a> <i>tunne</i>, <a href="/wiki/Old_High_German" title="Old High German">Old High German</a> and <a href="/wiki/Medieval_Latin" title="Medieval Latin">Medieval Latin</a> <span title="Medieval Latin-language text"><i lang="la">tunna</i></span>, <a href="/wiki/German_language" title="German language">German</a> and <a href="/wiki/French_language" title="French language">French</a> <i>tonne</i>) to designate a large cask, or <i>tun</i>.<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> A full tun, standing about a metre high, could easily weigh a tonne. See also the common German word <a href="https://de.wikipedia.org/wiki/M%C3%BClltonne" class="extiw" title="de:Mülltonne">de:Mülltonne</a> (literal translation: garbage <a href="/wiki/Drum_(container)" title="Drum (container)">drum</a>). </p><p>The spelling <i>tonne</i> pre-dates the introduction of the SI in 1960; it has been used with this meaning in France since 1842,<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> when there were no metric prefixes for multiples of 10<sup>6</sup> and above, and is now used as the standard spelling for the metric mass measurement in most <a href="/wiki/English_language" title="English language">English</a>-speaking countries.<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> In the United States, the unit was originally referred to using the <a href="/wiki/French_language" title="French language">French</a> words <i>millier</i> or <i>tonneau</i>,<sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> but these terms are now obsolete.<sup id="cite_ref-FR1998_15-0" class="reference"><a href="#cite_note-FR1998-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> The British imperial and United States customary units are comparable to the <i>tonne</i> and the spelling of <i>ton</i> in English is the same, though they differ in mass. </p> <div class="mw-heading mw-heading2"><h2 id="Conversions">Conversions</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Tonne&action=edit&section=3" title="Edit section: Conversions"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>One tonne is equivalent to: </p> <ul><li><span class="nowrap"><span data-sort-value="7003100000000000000♠"></span>1000 <a href="/wiki/Kilogram" title="Kilogram">kilograms</a> (kg)</span> by definition.<sup id="cite_ref-16" class="reference"><a href="#cite_note-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup></li> <li><span class="nowrap"><span data-sort-value="7006100000000000000♠"></span>1<span style="margin-left:.25em;">000</span><span style="margin-left:.25em;">000</span> <a href="/wiki/Gram" title="Gram">grams</a> (g)</span> or 1 megagram (Mg). Megagram is the corresponding official SI unit with the same mass. Mg is distinct from mg, milligram.</li> <li>In <a href="/wiki/Pound_(mass)" title="Pound (mass)">pounds</a>: Exactly <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">1000</span><span class="sr-only">/</span><span class="den">0.453<span style="white-space: nowrap;"> </span>592<span style="white-space: nowrap;"> </span>37</span></span>⁠</span> pounds (lb) by definition of the pound,<sup id="cite_ref-nbs447_17-0" class="reference"><a href="#cite_note-nbs447-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> or approximately <span class="nowrap"><span data-sort-value="7003100000000006859♠"></span>2<span style="margin-left:.25em;">204</span>.622<span style="margin-left:.25em;">622</span> lb</span>.<sup id="cite_ref-NGS_18-0" class="reference"><a href="#cite_note-NGS-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup></li> <li>In <a href="/wiki/Short_ton" title="Short ton">short tons</a>: Exactly <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">0.907<span style="white-space: nowrap;"> </span>184<span style="white-space: nowrap;"> </span>74</span></span>⁠</span> short tons (tn), or approximately <span class="nowrap"><span data-sort-value="7000110231131100000♠"></span>1.102<span style="margin-left:.25em;">311</span><span style="margin-left:.25em;">311</span></span> tn. <ul><li>One short ton is exactly <span class="nowrap"><span data-sort-value="7002907184740000000♠"></span>0.907<span style="margin-left:.25em;">184</span><span style="margin-left:.25em;">74</span> t</span>.<sup id="cite_ref-NISTUnits_19-0" class="reference"><a href="#cite_note-NISTUnits-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup></li></ul></li> <li>In <a href="/wiki/Long_ton" title="Long ton">long tons</a>: Exactly <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">1.016<span style="white-space: nowrap;"> </span>046<span style="white-space: nowrap;"> </span>9088</span></span>⁠</span> long tons (LT), or approximately <span class="nowrap"><span data-sort-value="6999984206527600000♠"></span>0.984<span style="margin-left:.25em;">206</span><span style="margin-left:.25em;">5276</span></span> LT. <ul><li>One long ton is exactly <span class="nowrap"><span data-sort-value="7003101604690880000♠"></span>1.016<span style="margin-left:.25em;">046</span><span style="margin-left:.25em;">9088</span> t</span>.<sup id="cite_ref-NISTUnits_19-1" class="reference"><a href="#cite_note-NISTUnits-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup></li></ul></li></ul> <p>A tonne is the mass of one <a href="/wiki/Cubic_metre" title="Cubic metre">cubic metre</a> of pure water at 4 °C (39 °F).<sup id="cite_ref-20" class="reference"><a href="#cite_note-20"><span class="cite-bracket">[</span>a<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Derived_units">Derived units</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Tonne&action=edit&section=4" title="Edit section: Derived units"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>As a non-SI unit, the use of SI metric prefixes with the tonne does not fall within the SI standard. For multiples of the tonne, it is more usual to speak of thousands or millions of tonnes. Kilotonne, megatonne, and gigatonne are more usually used for the energy of nuclear explosions and other events in <a href="/wiki/TNT_equivalent" title="TNT equivalent">equivalent mass of TNT</a>, often loosely as approximate figures. When used in this context, there is little need to distinguish between metric and other tons, and the unit is spelled either as <i>ton</i> or <i>tonne</i> with the relevant prefix attached.<sup id="cite_ref-21" class="reference"><a href="#cite_note-21"><span class="cite-bracket">[</span>b<span class="cite-bracket">]</span></a></sup> </p> <table class="wikitable" style="text-align:center"> <tbody><tr> <th colspan="2">Tonnes </th> <th colspan="2">Grams </th> <th colspan="3">Equivalents<sup id="cite_ref-22" class="reference"><a href="#cite_note-22"><span class="cite-bracket">[</span>table 1<span class="cite-bracket">]</span></a></sup> </th></tr> <tr> <th>Name</th> <th>Symbol </th> <th>Name</th> <th>Symbol </th> <th>Tonnes (t)</th> <th>Short Tons (tn)<sup id="cite_ref-rounding_23-0" class="reference"><a href="#cite_note-rounding-23"><span class="cite-bracket">[</span>table 2<span class="cite-bracket">]</span></a></sup></th> <th>Long Tons (LT)<sup id="cite_ref-rounding_23-1" class="reference"><a href="#cite_note-rounding-23"><span class="cite-bracket">[</span>table 2<span class="cite-bracket">]</span></a></sup> </th></tr> <tr> <td>tonne</td> <td>t </td> <td>megagram</td> <td>Mg </td> <td>1 t</td> <td>1.1023 tn</td> <td><span style="white-space: nowrap">0.984<span style="margin-left: 0.25em">21</span></span> LT </td></tr> <tr> <td>kilotonne</td> <td>kt<sup id="cite_ref-24" class="reference"><a href="#cite_note-24"><span class="cite-bracket">[</span>table 3<span class="cite-bracket">]</span></a></sup> </td> <td>gigagram</td> <td>Gg </td> <td>1,000 t</td> <td><span style="white-space: nowrap">1<span style="margin-left: 0.25em">102.3</span></span> tn</td> <td>984.21 LT </td></tr> <tr> <td><a href="/wiki/Orders_of_magnitude_(mass)#106_to_1011_kg" title="Orders of magnitude (mass)">megatonne</a></td> <td>Mt </td> <td>teragram</td> <td>Tg </td> <td>1,000,000 t</td> <td>1.1023 million tn</td> <td><span style="white-space: nowrap">984<span style="margin-left: 0.25em">210</span></span> LT </td></tr> <tr> <td>gigatonne</td> <td>Gt </td> <td>petagram</td> <td>Pg </td> <td>1,000,000,000 t</td> <td>1.1023 billion tn</td> <td>984.21 million LT </td></tr></tbody></table> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-22"><span class="mw-cite-backlink"><b><a href="#cite_ref-22">^</a></b></span> <span class="reference-text">The equivalent units columns use the <a href="/wiki/Short_scale" class="mw-redirect" title="Short scale">short scale</a> large-number naming system currently used in most English-language countries, e.g. 1 billion = 1000 million = <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> </li> <li id="cite_note-rounding-23"><span class="mw-cite-backlink">^ <a href="#cite_ref-rounding_23-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-rounding_23-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text">Values in the equivalent short and long tons columns are <a href="/wiki/Rounding" title="Rounding">rounded</a> to five <a href="/wiki/Significant_figures" title="Significant figures">significant figures</a>. See <a href="#Conversions">Conversions</a> for exact values.</span> </li> <li id="cite_note-24"><span class="mw-cite-backlink"><b><a href="#cite_ref-24">^</a></b></span> <span class="reference-text">Though non-standard, the symbol "kt" is also used (instead of the standard symbol "kn") for <a href="/wiki/Knot_(unit)" title="Knot (unit)">knot</a>, a unit of speed for <a href="/wiki/Aircraft" title="Aircraft">aircraft</a> and <a href="/wiki/Watercraft" title="Watercraft">watercraft</a>. The standard meaning of the symbol kt is for kilotonne.</span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Alternative_usages">Alternative usages</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Tonne&action=edit&section=5" title="Edit section: Alternative usages"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Metric_ton_units">Metric ton units</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Tonne&action=edit&section=6" title="Edit section: Metric ton units"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>A <b>metric ton unit</b> (mtu) can mean 10 kg (22 lb) within metal trading, particularly within the United States. It traditionally referred to a metric ton of ore containing 1% (i.e. 10 kg) of metal.<sup id="cite_ref-25" class="reference"><a href="#cite_note-25"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-26" class="reference"><a href="#cite_note-26"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> The following excerpt from a mining geology textbook describes its usage in the particular case of tungsten: </p> <style data-mw-deduplicate="TemplateStyles:r1244412712">.mw-parser-output .templatequote{overflow:hidden;margin:1em 0;padding:0 32px}.mw-parser-output .templatequotecite{line-height:1.5em;text-align:left;margin-top:0}@media(min-width:500px){.mw-parser-output .templatequotecite{padding-left:1.6em}}</style><blockquote class="templatequote"><p> Tungsten concentrates are usually traded in metric tonne units (originally designating one tonne of ore containing 1% of WO<sub>3</sub>, today used to measure WO<sub>3</sub> quantities in 10 kg units. One metric tonne unit (mtu) of tungsten (VI) contains 7.93 kilograms of tungsten.</p><div class="templatequotecite">— <cite>Walter L Pohl, <i>Economic Geology: Principles and Practices</i>, English edition, 2011, p 183.</cite></div></blockquote> <p>In the case of <a href="/wiki/Uranium" title="Uranium">uranium</a>, <i>MTU</i> is sometimes used in the sense of <i>metric ton of uranium</i> (1,000 kg [2,200 lb]).<sup id="cite_ref-27" class="reference"><a href="#cite_note-27"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-28" class="reference"><a href="#cite_note-28"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-29" class="reference"><a href="#cite_note-29"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-30" class="reference"><a href="#cite_note-30"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Use_of_mass_as_proxy_for_energy">Use of mass as proxy for energy</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Tonne&action=edit&section=7" title="Edit section: Use of mass as proxy for energy"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/TNT_equivalent" title="TNT equivalent">TNT equivalent</a></div> <p>The <i>tonne of <a href="/wiki/Trinitrotoluene" class="mw-redirect" title="Trinitrotoluene">trinitrotoluene</a> (TNT)</i> is used as a proxy for energy, usually of explosions (TNT is a common <a href="/wiki/High_explosive" class="mw-redirect" title="High explosive">high explosive</a>). Prefixes are used: kiloton(ne), megaton(ne), gigaton(ne), especially for expressing <a href="/wiki/Nuclear_weapon_yield" title="Nuclear weapon yield">nuclear weapon yield</a>, based on a <a href="/wiki/Fuel_value" class="mw-redirect" title="Fuel value">specific combustion energy</a> of TNT of about 4.2 <a href="/wiki/Megajoule" class="mw-redirect" title="Megajoule">MJ</a>/<a href="/wiki/Kilogram" title="Kilogram">kg</a> (or one <a href="/wiki/Calorie" title="Calorie">thermochemical calorie</a> per <a href="/wiki/Milligram" class="mw-redirect" title="Milligram">milligram</a>). Hence, 1 t TNT = <abbr title="approximately">approx.</abbr> 4.2 <a href="/wiki/Gigajoule" class="mw-redirect" title="Gigajoule">GJ</a>, 1 <a href="/wiki/Kiloton" class="mw-redirect" title="Kiloton">kt</a> TNT = approx. 4.2 <a href="/wiki/Terajoule" class="mw-redirect" title="Terajoule">TJ</a>, 1 Mt TNT = approx. 4.2 <a href="/wiki/Petajoule" class="mw-redirect" title="Petajoule">PJ</a>. </p><p>The SI unit of energy is the <a href="/wiki/Joule" title="Joule">joule</a>. One tonne of TNT is approximately equivalent to 4.2 gigajoules. </p><p>In the <a href="/wiki/Petroleum_industry" title="Petroleum industry">petroleum industry</a>, the <a href="/wiki/Tonne_of_oil_equivalent" title="Tonne of oil equivalent">tonne of oil equivalent</a> (toe) is a <a href="/wiki/Units_of_energy" title="Units of energy">unit of energy</a>: the amount of energy released by burning one tonne of <a href="/wiki/Crude_oil" class="mw-redirect" title="Crude oil">crude oil</a>, approximately 42 GJ. There are several slightly different definitions. This is ten times as much as a tonne of TNT because atmospheric oxygen is used. </p> <div class="mw-heading mw-heading3"><h3 id="Unit_of_force">Unit of force</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Tonne&action=edit&section=8" title="Edit section: Unit of force"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Like the <a href="/wiki/Gram" title="Gram">gram</a> and the kilogram, the tonne gave rise to a (now obsolete) force unit of the same name, the tonne-force, equivalent to about 9.8 <a href="/wiki/Newton_(unit)#Kilonewtons" title="Newton (unit)">kilonewtons</a>. The unit is also often called simply "tonne" or "metric ton" without identifying it as a unit of force. In contrast to the tonne as a mass unit, the tonne-force is not accepted for use with SI. </p> <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=Tonne&action=edit&section=9" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Metre%E2%80%93tonne%E2%80%93second_system_of_units" title="Metre–tonne–second system of units">Metre–tonne–second system of units</a></li> <li><a href="/wiki/Orders_of_magnitude_(mass)" title="Orders of magnitude (mass)">Orders of magnitude (mass)</a></li> <li><a href="/wiki/Ton" title="Ton">Ton</a> <ul><li><a href="/wiki/Tonnage" title="Tonnage">Tonnage</a></li> <li><a href="/wiki/Ton_(volume)" class="mw-redirect" title="Ton (volume)">Ton (volume)</a></li></ul></li></ul> <div class="mw-heading mw-heading2"><h2 id="Notes_and_references">Notes and references</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Tonne&action=edit&section=10" title="Edit section: Notes and references"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <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 reflist-lower-alpha"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-20"><span class="mw-cite-backlink"><b><a href="#cite_ref-20">^</a></b></span> <span class="reference-text">To within 0.003%.</span> </li> <li id="cite_note-21"><span class="mw-cite-backlink"><b><a href="#cite_ref-21">^</a></b></span> <span class="reference-text">The Oxford English Dictionary 2nd ed. gives both megaton and megatonne and adds "The unit may be calculated in either imperial or metric tons; the form megatonne generally implies the metric unit". The use for energy is the first definition; use for mass or weight is the third definition.</span> </li> </ol></div></div> <dl><dt>Citations</dt></dl> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239543626"><div class="reflist"> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-bippy-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-bippy_1-0">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.bipm.org/en/si/si_brochure/chapter4/table6.html">Table 6</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20091001100650/http://www.bipm.org/en/si/si_brochure/chapter4/table6.html">Archived</a> 2009-10-01 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a>. BIPM. Retrieved on 2011-07-10.</span> </li> <li id="cite_note-fedreg-2"><span class="mw-cite-backlink">^ <a href="#cite_ref-fedreg_2-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-fedreg_2-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://lamar.colostate.edu/~hillger/laws/63fr40333.pdf">Metric System of Measurement: Interpretation of the International System of Units for the United States</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20080409102714/http://lamar.colostate.edu/~hillger/laws/63fr40333.pdf">Archived</a> 2008-04-09 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a> (PDF). See corrections in the Errata section of <a rel="nofollow" class="external autonumber" href="http://lamar.colostate.edu/~hillger/laws/nist-interpretation.html">[1]</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20080418115704/http://lamar.colostate.edu/~hillger/laws/nist-interpretation.html">Archived</a> 2008-04-18 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a>.</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"><a href="/wiki/National_Institute_of_Standards_and_Technology" title="National Institute of Standards and Technology">NIST</a> <a rel="nofollow" class="external text" href="https://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.330-2019.pdf">Special Publication 330, 2019 edition</a> states "The name of the unit with symbol t and defined according to 1 t = 10<sup>3</sup> kg is called 'metric ton' rather than 'tonne.'".</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"><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.oed.com/view/Entry/203217?redirectedFrom=tonne#eid">"tonne, n"</a>. <i><a href="/wiki/OED" class="mw-redirect" title="OED">OED</a></i><span class="reference-accessdate">. Retrieved <span class="nowrap">6 August</span> 2021</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=OED&rft.atitle=tonne%2C+n&rft_id=https%3A%2F%2Fwww.oed.com%2Fview%2FEntry%2F203217%3FredirectedFrom%3Dtonne%23eid&rfr_id=info%3Asid%2Fen.wikipedia.org%3ATonne" 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">The Oxford English dictionary 2nd ed. lists both /tʌn/ and /ˈtʌni/</span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation book cs1"><i>Macquarie Dictionary</i> (fifth ed.). Sydney: Macquarie Dictionary Publishers Pty Ltd. 2009.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Macquarie+Dictionary&rft.place=Sydney&rft.edition=fifth&rft.pub=Macquarie+Dictionary+Publishers+Pty+Ltd&rft.date=2009&rfr_id=info%3Asid%2Fen.wikipedia.org%3ATonne" class="Z3988"></span></span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-7">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation news cs1"><a rel="nofollow" class="external text" href="https://news.google.com/newspapers?id=9ihVAAAAIBAJ&sjid=3ZADAAAAIBAJ&pg=6434%2C4864047">"How To Pronounce Metrics Units (advertisement by Australian Metric Conversion Board)"</a>. <i>The Age</i>. 1972-11-21. p. 14<span class="reference-accessdate">. Retrieved <span class="nowrap">2021-11-01</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+Age&rft.atitle=How+To+Pronounce+Metrics+Units+%28advertisement+by+Australian+Metric+Conversion+Board%29&rft.pages=14&rft.date=1972-11-21&rft_id=https%3A%2F%2Fnews.google.com%2Fnewspapers%3Fid%3D9ihVAAAAIBAJ%26sjid%3D3ZADAAAAIBAJ%26pg%3D6434%252C4864047&rfr_id=info%3Asid%2Fen.wikipedia.org%3ATonne" class="Z3988"></span></span> </li> <li id="cite_note-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-8">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFHarper" class="citation web cs1">Harper, Douglas. <a rel="nofollow" class="external text" href="https://www.etymonline.com/?term=tonne">"tonne"</a>. <i><a href="/wiki/Online_Etymology_Dictionary" title="Online Etymology Dictionary">Online Etymology Dictionary</a></i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Online+Etymology+Dictionary&rft.atitle=tonne&rft.aulast=Harper&rft.aufirst=Douglas&rft_id=https%3A%2F%2Fwww.etymonline.com%2F%3Fterm%3Dtonne&rfr_id=info%3Asid%2Fen.wikipedia.org%3ATonne" class="Z3988"></span></span> </li> <li id="cite_note-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-9">^</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="http://atilf.atilf.fr/dendien/scripts/tlfiv4/showps.exe?p=combi.htm;java=no;">"Recherche d'un mot"</a>. <i>atilf.atilf.fr</i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=atilf.atilf.fr&rft.atitle=Recherche+d%27un+mot&rft_id=http%3A%2F%2Fatilf.atilf.fr%2Fdendien%2Fscripts%2Ftlfiv4%2Fshowps.exe%3Fp%3Dcombi.htm%3Bjava%3Dno%3B&rfr_id=info%3Asid%2Fen.wikipedia.org%3ATonne" class="Z3988"></span></span> </li> <li id="cite_note-10"><span class="mw-cite-backlink"><b><a href="#cite_ref-10">^</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="http://webarchive.nationalarchives.gov.uk/20110207120946/http://www.nmo.bis.gov.uk/Docs/Legislation/Units%20of%20Measurement/Gnotes%20for%20public%20sector%20on%20use%20of%20metric.pdf">"Guidance Note on the use of Metric Units of Measurement by the Public Sector"</a> <span class="cs1-format">(PDF)</span>. National Measurement Office. 2007. Archived from <a rel="nofollow" class="external text" href="http://www.nmo.bis.gov.uk/Docs/Legislation/Units%20of%20Measurement/Gnotes%20for%20public%20sector%20on%20use%20of%20metric.pdf">the original</a> <span class="cs1-format">(PDF)</span> on 2011-02-07<span class="reference-accessdate">. Retrieved <span class="nowrap">2010-02-13</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Guidance+Note+on+the+use+of+Metric+Units+of+Measurement+by+the+Public+Sector&rft.pub=National+Measurement+Office&rft.date=2007&rft_id=http%3A%2F%2Fwww.nmo.bis.gov.uk%2FDocs%2FLegislation%2FUnits%2520of%2520Measurement%2FGnotes%2520for%2520public%2520sector%2520on%2520use%2520of%2520metric.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3ATonne" class="Z3988"></span> "Tonne" is listed under "The Principal Metric Units of Measurement" on p. 7.</span> </li> <li id="cite_note-11"><span class="mw-cite-backlink"><b><a href="#cite_ref-11">^</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="http://www.comlaw.gov.au/ComLaw/Legislation/LegislativeInstrumentCompilation1.nsf/framelodgmentattachments/35F21696B4C9E27CCA2575EC001FA5D1">"National Measurement Regulations 1999 |"</a>. Australian Government. 1999<span class="reference-accessdate">. Retrieved <span class="nowrap">2010-02-13</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=National+Measurement+Regulations+1999+%26%23124%3B&rft.pub=Australian+Government&rft.date=1999&rft_id=http%3A%2F%2Fwww.comlaw.gov.au%2FComLaw%2FLegislation%2FLegislativeInstrumentCompilation1.nsf%2Fframelodgmentattachments%2F35F21696B4C9E27CCA2575EC001FA5D1&rfr_id=info%3Asid%2Fen.wikipedia.org%3ATonne" class="Z3988"></span> "Tonne" is listed under Schedule 1, Part 3 as a non-SI unit of measurement used with SI units of measurement.</span> </li> <li id="cite_note-12"><span class="mw-cite-backlink"><b><a href="#cite_ref-12">^</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="http://www.maf.govt.nz/statistics/forestry/annual/nzstats2000/appendix/append4.htm">"Appendix 4: Units of Measurement and Conversion Factors"</a>. MAF (Ministry of Agriculture and Forestry (New Zealand))<span class="reference-accessdate">. Retrieved <span class="nowrap">2010-02-13</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Appendix+4%3A+Units+of+Measurement+and+Conversion+Factors&rft.pub=MAF+%28Ministry+of+Agriculture+and+Forestry+%28New+Zealand%29%29&rft_id=http%3A%2F%2Fwww.maf.govt.nz%2Fstatistics%2Fforestry%2Fannual%2Fnzstats2000%2Fappendix%2Fappend4.htm&rfr_id=info%3Asid%2Fen.wikipedia.org%3ATonne" class="Z3988"></span></span> </li> <li id="cite_note-13"><span class="mw-cite-backlink"><b><a href="#cite_ref-13">^</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://web.archive.org/web/20110706181616/http://www.gazette.gc.ca/archives/p2/1999/1999-11-10/html/sor-dors430-eng.html">"Canada Gazette"</a>. Government of Canada. 1998–2007. Archived from <a rel="nofollow" class="external text" href="http://www.gazette.gc.ca/archives/p2/1999/1999-11-10/html/sor-dors430-eng.html">the original</a> on 2011-07-06<span class="reference-accessdate">. Retrieved <span class="nowrap">2010-02-13</span></span>. <q>The Corporation shall pay to producers selling and delivering wheat produced in the designated area to the Corporation the following sums certain per tonne basis...</q></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Canada+Gazette&rft.pub=Government+of+Canada&rft.date=1998%2F2007&rft_id=http%3A%2F%2Fwww.gazette.gc.ca%2Farchives%2Fp2%2F1999%2F1999-11-10%2Fhtml%2Fsor-dors430-eng.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3ATonne" class="Z3988"></span></span> </li> <li id="cite_note-14"><span class="mw-cite-backlink"><b><a href="#cite_ref-14">^</a></b></span> <span class="reference-text">Act of 28 July 1866, codified in <a href="/wiki/Title_15_of_the_United_States_Code" title="Title 15 of the United States Code">15 U.S.C.</a> <a rel="nofollow" class="external text" href="https://www.law.cornell.edu/uscode/text/15/205">§ 205</a></span> </li> <li id="cite_note-FR1998-15"><span class="mw-cite-backlink"><b><a href="#cite_ref-FR1998_15-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation journal cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20111015081850/http://physics.nist.gov/cuu/pdf/SIFedReg.pdf">"Metric System of Measurement: Interpretation of the International System of Units for the United States"</a> <span class="cs1-format">(PDF)</span>. <i><a href="/wiki/Federal_Register" title="Federal Register">Federal Register</a></i>. <b>63</b> (144): 40338. 28 July 1998. 63 FR 40333. 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(October 2013). <a rel="nofollow" class="external text" href="https://www.nist.gov/pml/wmd/pubs/upload/appc-14-hb44-final.pdf">"Appendix C – General Tables of Units of Measurement"</a> <span class="cs1-format">(PDF)</span>. <a rel="nofollow" class="external text" href="https://www.nist.gov/pml/wmd/pubs/hb44-14.cfm"><i>Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices</i></a>. NIST Handbook. Vol. 44 (2014 ed.). Washington, D.C.: U.S. Department of Commerce, Technology Administration, National Institute of Standards and Technology. p. C-13. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/0271-4027">0271-4027</a>. <a href="/wiki/OCLC_(identifier)" class="mw-redirect" title="OCLC (identifier)">OCLC</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/oclc/58927093">58927093</a><span class="reference-accessdate">. Retrieved <span class="nowrap">10 December</span> 2013</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Appendix+C+%E2%80%93+General+Tables+of+Units+of+Measurement&rft.btitle=Specifications%2C+Tolerances%2C+and+Other+Technical+Requirements+for+Weighing+and+Measuring+Devices&rft.place=Washington%2C+D.C.&rft.series=NIST+Handbook&rft.pages=C-13&rft.edition=2014&rft.pub=U.S.+Department+of+Commerce%2C+Technology+Administration%2C+National+Institute+of+Standards+and+Technology&rft.date=2013-10&rft_id=info%3Aoclcnum%2F58927093&rft.issn=0271-4027&rft_id=https%3A%2F%2Fwww.nist.gov%2Fpml%2Fwmd%2Fpubs%2Fupload%2Fappc-14-hb44-final.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3ATonne" class="Z3988"></span></span> </li> <li id="cite_note-25"><span class="mw-cite-backlink"><b><a href="#cite_ref-25">^</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://web.archive.org/web/20080908055702/http://www.emis.platts.com/thezone/guides/platts/metals/conversion.html">"Platt's Metals Guide to Specifications – Conversion Tables"</a>. 8 September 2008. Archived from the original on 8 September 2008.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Platt%27s+Metals+Guide+to+Specifications+%E2%80%93+Conversion+Tables&rft.date=2008-09-08&rft_id=http%3A%2F%2Fwww.emis.platts.com%2Fthezone%2Fguides%2Fplatts%2Fmetals%2Fconversion.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3ATonne" class="Z3988"></span><span class="cs1-maint citation-comment"><code class="cs1-code">{{<a href="/wiki/Template:Cite_web" title="Template:Cite web">cite web</a>}}</code>: CS1 maint: bot: original URL status unknown (<a href="/wiki/Category:CS1_maint:_bot:_original_URL_status_unknown" title="Category:CS1 maint: bot: original URL status unknown">link</a>)</span></span> </li> <li id="cite_note-26"><span class="mw-cite-backlink"><b><a href="#cite_ref-26">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.unc.edu/~rowlett/units/dictM.html">How Many? A Dictionary of Units of Measurement</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20110904024909/http://www.unc.edu/~rowlett/units/dictM.html">Archived</a> 2011-09-04 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a>. Unc.edu. Retrieved on 2011-07-10.</span> </li> <li id="cite_note-27"><span class="mw-cite-backlink"><b><a href="#cite_ref-27">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www-pub.iaea.org/MTCD/publications/PDF/rwmp-3/REFERENCE.pdf">Reference.Pdf</a>. (PDF) . Retrieved on 2011-07-10.</span> </li> <li id="cite_note-28"><span class="mw-cite-backlink"><b><a href="#cite_ref-28">^</a></b></span> <span class="reference-text">"<a rel="nofollow" class="external text" href="http://www.hanford.gov/rl/uploadfiles/ea/ea1319/ea1319.html">Glossary</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20100314163903/http://www.hanford.gov/rl/uploadfiles/ea/ea1319/ea1319.html">Archived</a> 2010-03-14 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a>". (June 2000). <i>Disposition of Surplus Hanford Site Uranium, Hanford Site, Richland, Washington</i>. US Department of Energy.</span> </li> <li id="cite_note-29"><span class="mw-cite-backlink"><b><a href="#cite_ref-29">^</a></b></span> <span class="reference-text">"<a rel="nofollow" class="external text" href="http://www.y12.doe.gov/library/acronyms/letter.php?index=M">Acronyms</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20130312082236/http://www.y12.doe.gov/library/acronyms/letter.php?index=M">Archived</a> 2013-03-12 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a>". Y-12 National Security Complex.</span> </li> <li id="cite_note-30"><span class="mw-cite-backlink"><b><a href="#cite_ref-30">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="https://www.nrc.gov/reading-rm/doc-collections/nuregs/staff/sr0544/r4/">NRC Collection of Abbreviations (NUREG-0544, Rev. 4), United States Nuclear Regulatory Commission</a>. Nrc.gov (2011-03-13). 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title="Hertz">hertz</a></li> <li><a href="/wiki/Joule" title="Joule">joule</a></li> <li><a href="/wiki/Katal" title="Katal">katal</a></li> <li><a href="/wiki/Lumen_(unit)" title="Lumen (unit)">lumen</a></li> <li><a href="/wiki/Lux" title="Lux">lux</a></li> <li><a href="/wiki/Newton_(unit)" title="Newton (unit)">newton</a></li> <li><a href="/wiki/Ohm" title="Ohm">ohm</a></li> <li><a href="/wiki/Pascal_(unit)" title="Pascal (unit)">pascal</a></li> <li><a href="/wiki/Radian" title="Radian">radian</a></li> <li><a href="/wiki/Siemens_(unit)" title="Siemens (unit)">siemens</a></li> <li><a href="/wiki/Sievert" title="Sievert">sievert</a></li> <li><a href="/wiki/Steradian" title="Steradian">steradian</a></li> <li><a href="/wiki/Tesla_(unit)" title="Tesla (unit)">tesla</a></li> <li><a href="/wiki/Volt" title="Volt">volt</a></li> <li><a href="/wiki/Watt" title="Watt">watt</a></li> <li><a href="/wiki/Weber_(unit)" title="Weber (unit)">weber</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Non-SI_units_mentioned_in_the_SI" title="Non-SI units mentioned in the SI">Other accepted units</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Astronomical_unit" title="Astronomical unit">astronomical unit</a></li> <li><a href="/wiki/Dalton_(unit)" title="Dalton (unit)">dalton</a></li> <li><a href="/wiki/Day" title="Day">day</a></li> <li><a href="/wiki/Decibel" title="Decibel">decibel</a></li> <li><a href="/wiki/Degree_(angle)" title="Degree (angle)">degree of arc</a></li> <li><a href="/wiki/Electronvolt" title="Electronvolt">electronvolt</a></li> <li><a href="/wiki/Hectare" title="Hectare">hectare</a></li> <li><a href="/wiki/Hour" title="Hour">hour</a></li> <li><a href="/wiki/Litre" title="Litre">litre</a></li> <li><a href="/wiki/Minute" title="Minute">minute</a></li> <li><a href="/wiki/Minute_and_second_of_arc" title="Minute and second of arc">minute and second of arc</a></li> <li><a href="/wiki/Neper" title="Neper">neper</a></li> <li><a class="mw-selflink selflink">tonne</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">See also</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Conversion_of_units" title="Conversion of units">Conversion of units</a></li> <li><a href="/wiki/Metric_prefix" title="Metric prefix">Metric prefixes</a></li> <li><a href="/wiki/Historical_definitions_of_the_SI_base_units" title="Historical definitions of the SI base units">Historical definitions of the SI base units</a></li> <li><a href="/wiki/2019_revision_of_the_SI" title="2019 revision of the SI">2019 revision of the SI</a></li> <li><a href="/wiki/System_of_units_of_measurement" title="System of units of measurement">System of units of measurement</a></li></ul> </div></td></tr><tr><td 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