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class="vector-toc-link" href="#Historique"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Historique</span> </div> </a> <button aria-controls="toc-Historique-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>Afficher / masquer la sous-section Historique</span> </button> <ul id="toc-Historique-sublist" class="vector-toc-list"> <li id="toc-Définition_initiale" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Définition_initiale"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1</span> <span>Définition initiale</span> </div> </a> <ul id="toc-Définition_initiale-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Alignement_sur_les_changements_d'état_de_l'eau" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Alignement_sur_les_changements_d'état_de_l'eau"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.2</span> <span>Alignement sur les changements d'état de l'eau</span> </div> </a> <ul id="toc-Alignement_sur_les_changements_d'état_de_l'eau-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Alignement_sur_le_Système_international" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Alignement_sur_le_Système_international"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.3</span> <span>Alignement sur le Système international</span> </div> </a> <ul id="toc-Alignement_sur_le_Système_international-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Conversion_en_degrés_Celsius" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Conversion_en_degrés_Celsius"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Conversion en degrés Celsius</span> </div> </a> <button aria-controls="toc-Conversion_en_degrés_Celsius-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>Afficher / masquer la sous-section Conversion en degrés Celsius</span> </button> <ul id="toc-Conversion_en_degrés_Celsius-sublist" class="vector-toc-list"> <li id="toc-Quelques_températures_notables" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Quelques_températures_notables"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.1</span> <span>Quelques températures notables</span> </div> </a> <ul id="toc-Quelques_températures_notables-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Quelques_points_d'alignement_Fahrenheit/Celsius" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Quelques_points_d'alignement_Fahrenheit/Celsius"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.2</span> <span>Quelques points d'alignement Fahrenheit/Celsius</span> </div> </a> <ul id="toc-Quelques_points_d'alignement_Fahrenheit/Celsius-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Conversions_dans_d'autres_échelles_de_température" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Conversions_dans_d'autres_échelles_de_température"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Conversions dans d'autres échelles de température</span> </div> </a> <ul id="toc-Conversions_dans_d'autres_échelles_de_température-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Références_culturelles" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Références_culturelles"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Références culturelles</span> </div> </a> <ul id="toc-Références_culturelles-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Notes_et_références" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Notes_et_références"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Notes et références</span> </div> </a> <ul id="toc-Notes_et_références-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="Sommaire" 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="Basculer la table des matières" > <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">Basculer la table des matières</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">Degré Fahrenheit</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="Aller à un article dans une autre langue. Disponible en 90 langues." > <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-90" 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">90 langues</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/Fahrenheit" title="Fahrenheit – afrikaans" lang="af" hreflang="af" data-title="Fahrenheit" data-language-autonym="Afrikaans" data-language-local-name="afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-an mw-list-item"><a href="https://an.wikipedia.org/wiki/Grau_Fahrenheit" title="Grau Fahrenheit – aragonais" lang="an" hreflang="an" data-title="Grau Fahrenheit" data-language-autonym="Aragonés" data-language-local-name="aragonais" class="interlanguage-link-target"><span>Aragonés</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%81%D9%87%D8%B1%D9%86%D9%87%D8%A7%D9%8A%D8%AA" title="فهرنهايت – arabe" lang="ar" hreflang="ar" data-title="فهرنهايت" data-language-autonym="العربية" data-language-local-name="arabe" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-as mw-list-item"><a href="https://as.wikipedia.org/wiki/%E0%A6%AB%E0%A6%BE%E0%A7%B0%E0%A7%87%E0%A6%A8%E0%A6%B9%E0%A6%BE%E0%A6%87%E0%A6%9F" title="ফাৰেনহাইট – assamais" lang="as" hreflang="as" data-title="ফাৰেনহাইট" data-language-autonym="অসমীয়া" data-language-local-name="assamais" class="interlanguage-link-target"><span>অসমীয়া</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Grau_Fahrenheit" title="Grau Fahrenheit – asturien" lang="ast" hreflang="ast" data-title="Grau Fahrenheit" data-language-autonym="Asturianu" data-language-local-name="asturien" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Farenheyt_%C5%9Fkalas%C4%B1" title="Farenheyt şkalası – azerbaïdjanais" lang="az" hreflang="az" data-title="Farenheyt şkalası" data-language-autonym="Azərbaycanca" data-language-local-name="azerbaïdjanais" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%D9%81%D8%A7%D8%B1%D9%86%D9%87%D8%A7%DB%8C%D8%AA" title="فارنهایت – South Azerbaijani" lang="azb" hreflang="azb" data-title="فارنهایت" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-bcl mw-list-item"><a href="https://bcl.wikipedia.org/wiki/Fahrenheit" title="Fahrenheit – Central Bikol" lang="bcl" hreflang="bcl" data-title="Fahrenheit" data-language-autonym="Bikol Central" data-language-local-name="Central Bikol" class="interlanguage-link-target"><span>Bikol Central</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%93%D1%80%D0%B0%D0%B4%D1%83%D1%81_%D0%A4%D0%B0%D1%80%D1%8D%D0%BD%D0%B3%D0%B5%D0%B9%D1%82%D0%B0" title="Градус Фарэнгейта – biélorusse" lang="be" hreflang="be" data-title="Градус Фарэнгейта" data-language-autonym="Беларуская" data-language-local-name="biélorusse" 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%93%D1%80%D0%B0%D0%B4%D1%83%D1%81_%D0%A4%D0%B0%D1%80%D1%8D%D0%BD%D0%B3%D0%B0%D0%B9%D1%82%D0%B0" title="Градус Фарэнгайта – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Градус Фарэнгайта" 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%A4%D0%B0%D1%80%D0%B5%D0%BD%D1%85%D0%B0%D0%B9%D1%82" title="Фаренхайт – bulgare" lang="bg" hreflang="bg" data-title="Фаренхайт" data-language-autonym="Български" data-language-local-name="bulgare" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%AB%E0%A6%BE%E0%A6%B0%E0%A7%87%E0%A6%A8%E0%A6%B9%E0%A6%BE%E0%A6%87%E0%A6%9F" title="ফারেনহাইট – bengali" lang="bn" hreflang="bn" data-title="ফারেনহাইট" data-language-autonym="বাংলা" data-language-local-name="bengali" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Grau_Fahrenheit" title="Grau Fahrenheit – catalan" lang="ca" hreflang="ca" data-title="Grau Fahrenheit" data-language-autonym="Català" data-language-local-name="catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D9%81%D8%A7%D8%B1%DB%95%D9%86%DA%BE%D8%A7%DB%8C%D8%AA" title="فارەنھایت – sorani" lang="ckb" hreflang="ckb" data-title="فارەنھایت" data-language-autonym="کوردی" data-language-local-name="sorani" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Stupe%C5%88_Fahrenheita" title="Stupeň Fahrenheita – tchèque" lang="cs" hreflang="cs" data-title="Stupeň Fahrenheita" data-language-autonym="Čeština" data-language-local-name="tchèque" 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/Fahrenheit" title="Fahrenheit – danois" lang="da" hreflang="da" data-title="Fahrenheit" data-language-autonym="Dansk" data-language-local-name="danois" 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/Grad_Fahrenheit" title="Grad Fahrenheit – allemand" lang="de" hreflang="de" data-title="Grad Fahrenheit" data-language-autonym="Deutsch" data-language-local-name="allemand" 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%9A%CE%BB%CE%AF%CE%BC%CE%B1%CE%BA%CE%B1_%CE%A6%CE%B1%CF%81%CE%B5%CE%BD%CE%AC%CE%B9%CF%84" title="Κλίμακα Φαρενάιτ – grec" lang="el" hreflang="el" data-title="Κλίμακα Φαρενάιτ" data-language-autonym="Ελληνικά" data-language-local-name="grec" 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/Fahrenheit" title="Fahrenheit – anglais" lang="en" hreflang="en" data-title="Fahrenheit" data-language-autonym="English" data-language-local-name="anglais" 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/Grado_farenhejta" title="Grado farenhejta – espéranto" lang="eo" hreflang="eo" data-title="Grado farenhejta" data-language-autonym="Esperanto" data-language-local-name="espéranto" 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/Grado_Fahrenheit" title="Grado Fahrenheit – espagnol" lang="es" hreflang="es" data-title="Grado Fahrenheit" data-language-autonym="Español" data-language-local-name="espagnol" 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/Fahrenheiti_skaala" title="Fahrenheiti skaala – estonien" lang="et" hreflang="et" data-title="Fahrenheiti skaala" data-language-autonym="Eesti" data-language-local-name="estonien" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Fahrenheit_gradu" title="Fahrenheit gradu – basque" lang="eu" hreflang="eu" data-title="Fahrenheit gradu" data-language-autonym="Euskara" data-language-local-name="basque" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%81%D8%A7%D8%B1%D9%86%D9%87%D8%A7%DB%8C%D8%AA" title="فارنهایت – persan" lang="fa" hreflang="fa" data-title="فارنهایت" data-language-autonym="فارسی" data-language-local-name="persan" 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/Fahrenheit-asteikko" title="Fahrenheit-asteikko – finnois" lang="fi" hreflang="fi" data-title="Fahrenheit-asteikko" data-language-autonym="Suomi" data-language-local-name="finnois" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fo mw-list-item"><a href="https://fo.wikipedia.org/wiki/Fahrenheitstigin" title="Fahrenheitstigin – féroïen" lang="fo" hreflang="fo" data-title="Fahrenheitstigin" data-language-autonym="Føroyskt" data-language-local-name="féroïen" class="interlanguage-link-target"><span>Føroyskt</span></a></li><li class="interlanguage-link interwiki-frr mw-list-item"><a href="https://frr.wikipedia.org/wiki/Graad_Fahrenheit" title="Graad Fahrenheit – frison septentrional" lang="frr" hreflang="frr" data-title="Graad Fahrenheit" data-language-autonym="Nordfriisk" data-language-local-name="frison septentrional" class="interlanguage-link-target"><span>Nordfriisk</span></a></li><li class="interlanguage-link interwiki-fy mw-list-item"><a href="https://fy.wikipedia.org/wiki/Fahrenheit" title="Fahrenheit – frison occidental" lang="fy" hreflang="fy" data-title="Fahrenheit" data-language-autonym="Frysk" data-language-local-name="frison occidental" class="interlanguage-link-target"><span>Frysk</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Grao_Fahrenheit" title="Grao Fahrenheit – galicien" lang="gl" hreflang="gl" data-title="Grao Fahrenheit" data-language-autonym="Galego" data-language-local-name="galicien" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%9E%D7%A2%D7%9C%D7%95%D7%AA_%D7%A4%D7%A8%D7%A0%D7%94%D7%99%D7%99%D7%98" title="מעלות פרנהייט – hébreu" lang="he" hreflang="he" data-title="מעלות פרנהייט" data-language-autonym="עברית" data-language-local-name="hébreu" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%AB%E0%A5%89%E0%A4%B0%E0%A5%87%E0%A4%A8%E0%A5%8D%E0%A4%B9%E0%A4%BE%E0%A4%87%E0%A4%9F" title="फॉरेन्हाइट – hindi" lang="hi" hreflang="hi" data-title="फॉरेन्हाइट" 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/Fahrenheitova_termometarska_ljestvica" title="Fahrenheitova termometarska ljestvica – croate" lang="hr" hreflang="hr" data-title="Fahrenheitova termometarska ljestvica" data-language-autonym="Hrvatski" data-language-local-name="croate" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/Degre_Farennayt" title="Degre Farennayt – créole haïtien" lang="ht" hreflang="ht" data-title="Degre Farennayt" data-language-autonym="Kreyòl ayisyen" data-language-local-name="créole haïtien" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Fahrenheit" title="Fahrenheit – hongrois" lang="hu" hreflang="hu" data-title="Fahrenheit" data-language-autonym="Magyar" data-language-local-name="hongrois" 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%96%D5%A1%D6%80%D5%A5%D5%B6%D5%B0%D5%A1%D5%B5%D5%BF%D5%AB_%D5%BD%D5%A1%D5%B6%D5%A4%D5%B2%D5%A1%D5%AF" title="Ֆարենհայտի սանդղակ – arménien" lang="hy" hreflang="hy" data-title="Ֆարենհայտի սանդղակ" data-language-autonym="Հայերեն" data-language-local-name="arménien" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-ia mw-list-item"><a href="https://ia.wikipedia.org/wiki/Grado_Fahrenheit" title="Grado Fahrenheit – interlingua" lang="ia" hreflang="ia" data-title="Grado Fahrenheit" data-language-autonym="Interlingua" data-language-local-name="interlingua" class="interlanguage-link-target"><span>Interlingua</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Fahrenheit" title="Fahrenheit – indonésien" lang="id" hreflang="id" data-title="Fahrenheit" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonésien" 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/Fahrenheit" title="Fahrenheit – islandais" lang="is" hreflang="is" data-title="Fahrenheit" data-language-autonym="Íslenska" data-language-local-name="islandais" 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/Grado_Fahrenheit" title="Grado Fahrenheit – italien" lang="it" hreflang="it" data-title="Grado Fahrenheit" data-language-autonym="Italiano" data-language-local-name="italien" 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/%E8%8F%AF%E6%B0%8F" title="華氏 – japonais" lang="ja" hreflang="ja" data-title="華氏" data-language-autonym="日本語" data-language-local-name="japonais" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-jam mw-list-item"><a href="https://jam.wikipedia.org/wiki/Farenait" title="Farenait – créole jamaïcain" lang="jam" hreflang="jam" data-title="Farenait" data-language-autonym="Patois" data-language-local-name="créole jamaïcain" class="interlanguage-link-target"><span>Patois</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%A4%E1%83%90%E1%83%A0%E1%83%94%E1%83%9C%E1%83%B0%E1%83%90%E1%83%98%E1%83%A2%E1%83%98" title="ფარენჰაიტი – géorgien" lang="ka" hreflang="ka" data-title="ფარენჰაიტი" data-language-autonym="ქართული" data-language-local-name="géorgien" 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%A4%D0%B0%D1%80%D0%B5%D0%BD%D0%B3%D0%B5%D0%B9%D1%82_%D1%88%D0%BA%D0%B0%D0%BB%D0%B0%D1%81%D1%8B" title="Фаренгейт шкаласы – kazakh" lang="kk" hreflang="kk" data-title="Фаренгейт шкаласы" data-language-autonym="Қазақша" data-language-local-name="kazakh" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-kn mw-list-item"><a href="https://kn.wikipedia.org/wiki/%E0%B2%AB%E0%B2%BE%E0%B2%B9%E0%B3%8D%E0%B2%B0%E0%B3%86%E0%B2%A8%E0%B3%8D%E0%B2%B9%E0%B3%88%E0%B2%9F%E0%B3%8D" title="ಫಾಹ್ರೆನ್ಹೈಟ್ – kannada" lang="kn" hreflang="kn" data-title="ಫಾಹ್ರೆನ್ಹೈಟ್" data-language-autonym="ಕನ್ನಡ" data-language-local-name="kannada" class="interlanguage-link-target"><span>ಕನ್ನಡ</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%ED%99%94%EC%94%A8" title="화씨 – coréen" lang="ko" hreflang="ko" data-title="화씨" data-language-autonym="한국어" data-language-local-name="coréen" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ku mw-list-item"><a href="https://ku.wikipedia.org/wiki/Pileya_Fahrenheit" title="Pileya Fahrenheit – kurde" lang="ku" hreflang="ku" data-title="Pileya Fahrenheit" data-language-autonym="Kurdî" data-language-local-name="kurde" class="interlanguage-link-target"><span>Kurdî</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Grad_Fahrenheit" title="Grad Fahrenheit – luxembourgeois" lang="lb" hreflang="lb" data-title="Grad Fahrenheit" data-language-autonym="Lëtzebuergesch" data-language-local-name="luxembourgeois" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-li mw-list-item"><a href="https://li.wikipedia.org/wiki/Fahrenheitsjaol" title="Fahrenheitsjaol – limbourgeois" lang="li" hreflang="li" data-title="Fahrenheitsjaol" data-language-autonym="Limburgs" data-language-local-name="limbourgeois" class="interlanguage-link-target"><span>Limburgs</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Farenheito_skal%C4%97" title="Farenheito skalė – lituanien" lang="lt" hreflang="lt" data-title="Farenheito skalė" data-language-autonym="Lietuvių" data-language-local-name="lituanien" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/F%C4%81renheita_gr%C4%81ds" title="Fārenheita grāds – letton" lang="lv" hreflang="lv" data-title="Fārenheita grāds" data-language-autonym="Latviešu" data-language-local-name="letton" 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%A4%D0%B0%D1%80%D0%B5%D0%BD%D1%85%D0%B0%D1%98%D1%82%D0%BE%D0%B2_%D1%81%D1%82%D0%B5%D0%BF%D0%B5%D0%BD" title="Фаренхајтов степен – macédonien" lang="mk" hreflang="mk" data-title="Фаренхајтов степен" data-language-autonym="Македонски" data-language-local-name="macédonien" 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%AB%E0%B4%BE%E0%B4%B0%E0%B5%BA%E0%B4%B9%E0%B5%80%E0%B4%B1%E0%B5%8D%E0%B4%B1%E0%B5%8D" title="ഫാരൺഹീറ്റ് – malayalam" lang="ml" hreflang="ml" data-title="ഫാരൺഹീറ്റ്" data-language-autonym="മലയാളം" data-language-local-name="malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D0%A4%D0%B0%D1%80%D0%B5%D0%BD%D0%B3%D0%B5%D0%B9%D1%82" title="Фаренгейт – mongol" lang="mn" hreflang="mn" data-title="Фаренгейт" data-language-autonym="Монгол" data-language-local-name="mongol" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A4%AB%E0%A5%85%E0%A4%B0%E0%A4%A8%E0%A4%B9%E0%A4%BE%E0%A4%87%E0%A4%9F" title="फॅरनहाइट – marathi" lang="mr" hreflang="mr" data-title="फॅरनहाइट" data-language-autonym="मराठी" data-language-local-name="marathi" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Fahrenheit" title="Fahrenheit – malais" lang="ms" hreflang="ms" data-title="Fahrenheit" data-language-autonym="Bahasa Melayu" data-language-local-name="malais" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/%E1%80%96%E1%80%AC%E1%80%9B%E1%80%84%E1%80%BA%E1%80%9F%E1%80%AD%E1%80%AF%E1%80%80%E1%80%BA" title="ဖာရင်ဟိုက် – birman" lang="my" hreflang="my" data-title="ဖာရင်ဟိုက်" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="birman" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Grad_Fahrenheit" title="Grad Fahrenheit – bas-allemand" lang="nds" hreflang="nds" data-title="Grad Fahrenheit" data-language-autonym="Plattdüütsch" data-language-local-name="bas-allemand" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Fahrenheit" title="Fahrenheit – néerlandais" lang="nl" hreflang="nl" data-title="Fahrenheit" data-language-autonym="Nederlands" data-language-local-name="néerlandais" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Fahrenheit" title="Fahrenheit – norvégien nynorsk" lang="nn" hreflang="nn" data-title="Fahrenheit" data-language-autonym="Norsk nynorsk" data-language-local-name="norvégien nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Grad_fahrenheit" title="Grad fahrenheit – norvégien bokmål" lang="nb" hreflang="nb" data-title="Grad fahrenheit" data-language-autonym="Norsk bokmål" data-language-local-name="norvégien bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Gra_Fahrenheit" title="Gra Fahrenheit – occitan" lang="oc" hreflang="oc" data-title="Gra Fahrenheit" data-language-autonym="Occitan" data-language-local-name="occitan" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%AB%E0%A8%BC%E0%A8%BE%E0%A8%B0%E0%A8%A8%E0%A8%B9%E0%A8%BE%E0%A8%88%E0%A8%9F" title="ਫ਼ਾਰਨਹਾਈਟ – pendjabi" lang="pa" hreflang="pa" data-title="ਫ਼ਾਰਨਹਾਈਟ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="pendjabi" 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/Skala_Fahrenheita" title="Skala Fahrenheita – polonais" lang="pl" hreflang="pl" data-title="Skala Fahrenheita" data-language-autonym="Polski" data-language-local-name="polonais" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pnb mw-list-item"><a href="https://pnb.wikipedia.org/wiki/%D9%81%D8%A7%D8%B1%D9%86_%DB%81%D8%A7%D8%A6%D9%B9" title="فارن ہائٹ – Western Punjabi" lang="pnb" hreflang="pnb" data-title="فارن ہائٹ" data-language-autonym="پنجابی" data-language-local-name="Western Punjabi" class="interlanguage-link-target"><span>پنجابی</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Grau_Fahrenheit" title="Grau Fahrenheit – portugais" lang="pt" hreflang="pt" data-title="Grau Fahrenheit" data-language-autonym="Português" data-language-local-name="portugais" 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/Fahrenheit" title="Fahrenheit – roumain" lang="ro" hreflang="ro" data-title="Fahrenheit" data-language-autonym="Română" data-language-local-name="roumain" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%93%D1%80%D0%B0%D0%B4%D1%83%D1%81_%D0%A4%D0%B0%D1%80%D0%B5%D0%BD%D0%B3%D0%B5%D0%B9%D1%82%D0%B0" title="Градус Фаренгейта – russe" lang="ru" hreflang="ru" data-title="Градус Фаренгейта" data-language-autonym="Русский" data-language-local-name="russe" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-scn mw-list-item"><a href="https://scn.wikipedia.org/wiki/Gradu_Fahrenheit" title="Gradu Fahrenheit – sicilien" lang="scn" hreflang="scn" data-title="Gradu Fahrenheit" data-language-autonym="Sicilianu" data-language-local-name="sicilien" class="interlanguage-link-target"><span>Sicilianu</span></a></li><li class="interlanguage-link interwiki-sco mw-list-item"><a href="https://sco.wikipedia.org/wiki/Fahrenheit" title="Fahrenheit – écossais" lang="sco" hreflang="sco" data-title="Fahrenheit" data-language-autonym="Scots" data-language-local-name="écossais" class="interlanguage-link-target"><span>Scots</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Fahrenheit" title="Fahrenheit – serbo-croate" lang="sh" hreflang="sh" data-title="Fahrenheit" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbo-croate" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Fahrenheit" title="Fahrenheit – Simple English" lang="en-simple" hreflang="en-simple" data-title="Fahrenheit" 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/Stupe%C5%88_Fahrenheita" title="Stupeň Fahrenheita – slovaque" lang="sk" hreflang="sk" data-title="Stupeň Fahrenheita" data-language-autonym="Slovenčina" data-language-local-name="slovaque" 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/Fahrenheitova_temperaturna_lestvica" title="Fahrenheitova temperaturna lestvica – slovène" lang="sl" hreflang="sl" data-title="Fahrenheitova temperaturna lestvica" data-language-autonym="Slovenščina" data-language-local-name="slovène" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-so mw-list-item"><a href="https://so.wikipedia.org/wiki/Faaranhaayt" title="Faaranhaayt – somali" lang="so" hreflang="so" data-title="Faaranhaayt" data-language-autonym="Soomaaliga" data-language-local-name="somali" class="interlanguage-link-target"><span>Soomaaliga</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%A1%D1%82%D0%B5%D0%BF%D0%B5%D0%BD_%D1%84%D0%B0%D1%80%D0%B5%D0%BD%D1%85%D0%B0%D1%98%D1%82%D0%B0" title="Степен фаренхајта – serbe" lang="sr" hreflang="sr" data-title="Степен фаренхајта" data-language-autonym="Српски / srpski" data-language-local-name="serbe" 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/Grad_Fahrenheit" title="Grad Fahrenheit – suédois" lang="sv" hreflang="sv" data-title="Grad Fahrenheit" data-language-autonym="Svenska" data-language-local-name="suédois" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Fahrenheit" title="Fahrenheit – swahili" lang="sw" hreflang="sw" data-title="Fahrenheit" data-language-autonym="Kiswahili" data-language-local-name="swahili" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%AA%E0%AE%BE%E0%AE%B0%E0%AE%A9%E0%AF%8D%E0%AE%83%E0%AE%95%E0%AF%88%E0%AE%9F%E0%AF%8D" title="பாரன்ஃகைட் – tamoul" lang="ta" hreflang="ta" data-title="பாரன்ஃகைட்" data-language-autonym="தமிழ்" data-language-local-name="tamoul" 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%AB%E0%B0%BE%E0%B0%B0%E0%B1%86%E0%B0%A8%E0%B1%8D%E2%80%8C%E0%B0%B9%E0%B1%80%E0%B0%9F%E0%B1%8D" title="ఫారెన్‌హీట్ – télougou" lang="te" hreflang="te" data-title="ఫారెన్‌హీట్" data-language-autonym="తెలుగు" data-language-local-name="télougou" 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%AD%E0%B8%87%E0%B8%A8%E0%B8%B2%E0%B8%9F%E0%B8%B2%E0%B9%80%E0%B8%A3%E0%B8%99%E0%B9%84%E0%B8%AE%E0%B8%95%E0%B9%8C" title="องศาฟาเรนไฮต์ – thaï" lang="th" hreflang="th" data-title="องศาฟาเรนไฮต์" data-language-autonym="ไทย" data-language-local-name="thaï" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Fahrenheit" title="Fahrenheit – tagalog" lang="tl" hreflang="tl" data-title="Fahrenheit" data-language-autonym="Tagalog" data-language-local-name="tagalog" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Fahrenhayt" title="Fahrenhayt – turc" lang="tr" hreflang="tr" data-title="Fahrenhayt" data-language-autonym="Türkçe" data-language-local-name="turc" 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%A8%D0%BA%D0%B0%D0%BB%D0%B0_%D0%A4%D0%B0%D1%80%D0%B5%D0%BD%D0%B3%D0%B5%D0%B9%D1%82%D0%B0" title="Шкала Фаренгейта – ukrainien" lang="uk" hreflang="uk" data-title="Шкала Фаренгейта" data-language-autonym="Українська" data-language-local-name="ukrainien" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%D9%81%D8%A7%D8%B1%D9%86%DB%81%D8%A7%D8%A6%D9%B9" title="فارنہائٹ – ourdou" lang="ur" hreflang="ur" data-title="فارنہائٹ" data-language-autonym="اردو" data-language-local-name="ourdou" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/%C4%90%E1%BB%99_Fahrenheit" title="Độ Fahrenheit – vietnamien" lang="vi" hreflang="vi" data-title="Độ Fahrenheit" data-language-autonym="Tiếng Việt" 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</div></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fichier:Celsius-Fahrenheit.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/eb/Celsius-Fahrenheit.jpg/130px-Celsius-Fahrenheit.jpg" decoding="async" width="130" height="371" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/eb/Celsius-Fahrenheit.jpg/195px-Celsius-Fahrenheit.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/eb/Celsius-Fahrenheit.jpg/260px-Celsius-Fahrenheit.jpg 2x" data-file-width="489" data-file-height="1397" /></a><figcaption>Thermomètre à <a href="/wiki/%C3%89thanol" title="Éthanol">alcool</a> à double échelle de mesure.</figcaption></figure> <p>Le <b>degré Fahrenheit</b> (symbole : <b>°F</b>) est une <a href="/wiki/Unit%C3%A9_de_mesure" title="Unité de mesure">unité de mesure</a> de la <a href="/wiki/Temp%C3%A9rature" title="Température">température</a>, proposée par le <a href="/wiki/Physicien" title="Physicien">physicien</a> <a href="/wiki/Allemagne" title="Allemagne">allemand</a> <a href="/wiki/Gabriel_Fahrenheit" title="Gabriel Fahrenheit">Daniel Gabriel Fahrenheit</a> en 1724<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite_crochet">[</span>1<span class="cite_crochet">]</span></a></sup>. Historiquement, dans cette <a href="/wiki/%C3%89chelle_(mesure)" title="Échelle (mesure)">échelle</a>, le point zéro était la température de solidification d'un mélange <a href="/wiki/Eutectique" title="Eutectique">eutectique</a> de <a href="/wiki/Chlorure_d%27ammonium" title="Chlorure d'ammonium">chlorure d'ammonium</a> et d'<a href="/wiki/Eau" title="Eau">eau</a>, et le <span class="nowrap">point 96</span> était la température du corps humain. Fahrenheit vérifia que le point de <a href="/wiki/Solidification" title="Solidification">solidification</a> de l’eau était de <span class="nowrap">32 degrés</span> et son <a href="/wiki/Point_d%27%C3%A9bullition" title="Point d'ébullition">point d'ébullition</a> de <span class="nowrap">212 degrés</span> Fahrenheit. </p><p>Aujourd'hui, l'échelle Fahrenheit est calée sur l'échelle <a href="/wiki/Degr%C3%A9_Celsius" title="Degré Celsius">Celsius</a> par la relation : </p> <dl><dd><dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle T{\text{(°F)}}={\frac {9}{5}}T{\text{(°C)}}+32}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>T</mi> <mrow class="MJX-TeXAtom-ORD"> <mtext>(°F)</mtext> </mrow> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mn>9</mn> <mn>5</mn> </mfrac> </mrow> <mi>T</mi> <mrow class="MJX-TeXAtom-ORD"> <mtext>(°C)</mtext> </mrow> <mo>+</mo> <mn>32</mn> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle T{\text{(°F)}}={\frac {9}{5}}T{\text{(°C)}}+32}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/86d17f80e0e104e6021ae29eeb27a745c1c09be6" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.838ex; width:22.674ex; height:5.176ex;" alt="{\displaystyle T{\text{(°F)}}={\frac {9}{5}}T{\text{(°C)}}+32}"></span>.</dd></dl></dd></dl> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Utilisation">Utilisation</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Degr%C3%A9_Fahrenheit&veaction=edit&section=1" title="Modifier la section : Utilisation" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Degr%C3%A9_Fahrenheit&action=edit&section=1" title="Modifier le code source de la section : Utilisation"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/Fichier:Countries_that_use_Fahrenheit.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Countries_that_use_Fahrenheit.svg/260px-Countries_that_use_Fahrenheit.svg.png" decoding="async" width="260" height="133" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Countries_that_use_Fahrenheit.svg/390px-Countries_that_use_Fahrenheit.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Countries_that_use_Fahrenheit.svg/520px-Countries_that_use_Fahrenheit.svg.png 2x" data-file-width="2560" data-file-height="1314" /></a><figcaption><style data-mw-deduplicate="TemplateStyles:r160408543">.mw-parser-output .legende-bloc-centre{display:table;margin:0 auto;text-align:left}.mw-parser-output .legende-bloc ul li{font-size:90%}.mw-parser-output .legende-bloc-vertical ul li{list-style:none;margin:1px 0 0 -1.5em}.mw-parser-output .legende-bloc-vertical ul li li{list-style:none;margin:1px 0 0 -1.0em}</style><div class="legende-bloc legende-bloc-vertical"><ul> <li><span class="legende" style="border:1px solid gray; background:#339933; margin-right:0.3em; vertical-align:middle; webkit-print-color-adjust:exact; color-adjust:exact; display:inline-block; width:1.3em; height:1.3em;"></span>Pays utilisant l'échelle des degrés Fahrenheit.</li> <li><span class="legende" style="border:1px solid gray; background:#66cc99; margin-right:0.3em; vertical-align:middle; webkit-print-color-adjust:exact; color-adjust:exact; display:inline-block; width:1.3em; height:1.3em;"></span>Pays utilisant l'échelle des degrés Fahrenheit et l'échelle des degrés Celsius.</li> <li><span class="legende" style="border:1px solid gray; background:#cccccc; margin-right:0.3em; vertical-align:middle; webkit-print-color-adjust:exact; color-adjust:exact; display:inline-block; width:1.3em; height:1.3em;"></span>Pays utilisant l'échelle des degrés Celsius.</li> </ul></div></figcaption></figure> <p>L’échelle de Fahrenheit est aujourd'hui utilisée aux <a href="/wiki/%C3%89tats-Unis" title="États-Unis">États-Unis</a>, au <a href="/wiki/B%C3%A9lize" class="mw-redirect" title="Bélize">Bélize</a>, aux <a href="/wiki/%C3%8Eles_Ca%C3%AFmans" title="Îles Caïmans">îles Caïmans</a> et au <a href="/wiki/Liberia" title="Liberia">Liberia</a>. Au <a href="/wiki/Canada" title="Canada">Canada</a>, elle est, selon les coutumes, utilisable à titre d'échelle complémentaire<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite_crochet">[</span>2<span class="cite_crochet">]</span></a></sup>. Dans les autres pays du <a href="/wiki/Commonwealth_of_Nations" class="mw-redirect" title="Commonwealth of Nations"><span class="lang-en" lang="en">Commonwealth</span></a>, où elle était largement utilisée, elle a été remplacée par l'échelle Celsius au cours de la seconde moitié du <abbr class="abbr" title="20ᵉ siècle"><span class="romain">XX</span><sup style="font-size:72%">e</sup></abbr> siècle<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite_crochet">[</span>3<span class="cite_crochet">]</span></a></sup>. </p> <div class="clear" style="clear:both;"></div> <div class="mw-heading mw-heading2"><h2 id="Historique">Historique</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Degr%C3%A9_Fahrenheit&veaction=edit&section=2" title="Modifier la section : Historique" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Degr%C3%A9_Fahrenheit&action=edit&section=2" title="Modifier le code source de la section : Historique"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fichier:Thermometer_CF.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Thermometer_CF.svg/170px-Thermometer_CF.svg.png" decoding="async" width="170" height="291" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Thermometer_CF.svg/255px-Thermometer_CF.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/70/Thermometer_CF.svg/340px-Thermometer_CF.svg.png 2x" data-file-width="350" data-file-height="600" /></a><figcaption>Traduction : « <a href="/wiki/Point_d%E2%80%99%C3%A9bullition" class="mw-redirect" title="Point d’ébullition">point d’ébullition</a> de l'eau » et « <a href="/wiki/Point_de_fusion" title="Point de fusion">point de fusion</a> de l'eau ».</figcaption></figure> <div class="mw-heading mw-heading3"><h3 id="Définition_initiale"><span id="D.C3.A9finition_initiale"></span>Définition initiale</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Degr%C3%A9_Fahrenheit&veaction=edit&section=3" title="Modifier la section : Définition initiale" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Degr%C3%A9_Fahrenheit&action=edit&section=3" title="Modifier le code source de la section : Définition initiale"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Fahrenheit décida de définir son échelle par deux températures de référence<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite_crochet">[</span>4<span class="cite_crochet">]</span></a></sup>. Il définit en laboratoire la température basse de référence comme la température de <a href="/wiki/Solidification" title="Solidification">solidification</a> d’un mélange <a href="/wiki/Eutectique" title="Eutectique">eutectique</a> d’un volume égal de <a href="/wiki/Chlorure_d%27ammonium" title="Chlorure d'ammonium">chlorure d'ammonium</a> et d’eau (<i><span class="lang-la" lang="la">aquae & salis ammoniaci</span></i>). Cette température correspondrait initialement à la plus basse qu’il eût mesurée durant l'hiver de 1708 à 1709 dans sa ville natale de <a href="/wiki/Gda%C5%84sk" title="Gdańsk">Dantzig</a><sup class="need_ref_tag" style="padding-left:2px;"><a href="/wiki/Aide:R%C3%A9f%C3%A9rence_n%C3%A9cessaire" title="Aide:Référence nécessaire"><span title="Ce passage nécessite une référence (demandé le août 2024) ; voir l'aide.">[réf. nécessaire]</span></a></sup> ; la température haute est celle d'un homme ou d'une femme en bonne santé, prise sous l'aisselle ou dans la bouche (<span class="citation not_fr_quote" lang="la">« <span class="italique">in ore vel sub axillis hominis in statu sano</span> »</span>). </p><p>Il divisa d'abord cet intervalle en douze unités avant de se raviser et de subdiviser chacune de ces unités en huit degrés. La différence entre les deux températures de référence fut dès lors fixée à <span class="nowrap">12 × 8</span>, soit <span class="nowrap">96 degrés</span> (°F). </p><p>Fahrenheit observa que, dans son échelle, l’eau gèle, à <a href="/wiki/Conditions_normales_de_temp%C3%A9rature_et_de_pression" title="Conditions normales de température et de pression">pression atmosphérique normale</a>, à <span class="nowrap">32 degrés</span> et bout à <span class="nowrap">212 degrés</span><sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite_crochet">[</span>5<span class="cite_crochet">]</span></a></sup>, soit une différence de <span title="3,141 592 rad" style="cursor:help">180</span> degrés. </p> <div class="mw-heading mw-heading3"><h3 id="Alignement_sur_les_changements_d'état_de_l'eau"><span id="Alignement_sur_les_changements_d.27.C3.A9tat_de_l.27eau"></span>Alignement sur les changements d'état de l'eau</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Degr%C3%A9_Fahrenheit&veaction=edit&section=4" title="Modifier la section : Alignement sur les changements d'état de l'eau" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Degr%C3%A9_Fahrenheit&action=edit&section=4" title="Modifier le code source de la section : Alignement sur les changements d'état de l'eau"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Quelque temps après la mort de Daniel Fahrenheit, on constata que les points de solidification et d’ébullition de l'eau pure dans son échelle auraient été légèrement différents de <span title="0 °C ou 273,1 K" style="cursor:help">32</span> <abbr class="abbr" title="degré Fahrenheit">°F</abbr> et <span title="100 °C ou 373,1 K" style="cursor:help">212</span> <abbr class="abbr" title="degré Fahrenheit">°F</abbr>, respectivement. Il fut alors décidé de recalibrer l’échelle en prenant les valeurs <span title="0 °C ou 273,1 K" style="cursor:help">32</span> <abbr class="abbr" title="degré Fahrenheit">°F</abbr> et <span title="100 °C ou 373,1 K" style="cursor:help">212</span> <abbr class="abbr" title="degré Fahrenheit">°F</abbr> comme points de solidification et d’ébullition de l’eau pure. </p><p>Ces températures de l'eau servirent en 1742 à définir le <a href="/wiki/Degr%C3%A9_Celsius" title="Degré Celsius">degré Celsius</a>. </p> <div class="mw-heading mw-heading3"><h3 id="Alignement_sur_le_Système_international"><span id="Alignement_sur_le_Syst.C3.A8me_international"></span>Alignement sur le Système international</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Degr%C3%A9_Fahrenheit&veaction=edit&section=5" title="Modifier la section : Alignement sur le Système international" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Degr%C3%A9_Fahrenheit&action=edit&section=5" title="Modifier le code source de la section : Alignement sur le Système international"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>L'échelle Fahrenheit actuelle est définie par une stricte correspondance avec l'échelle <a href="/wiki/Kelvin" title="Kelvin">Kelvin</a> du <a href="/wiki/Syst%C3%A8me_international_d%27unit%C3%A9s" title="Système international d'unités">Système international d'unités</a> de mesure : le <a href="/wiki/Z%C3%A9ro_absolu" title="Zéro absolu">zéro absolu</a> (<span title="−273,15 °C ou −459,67 °F" style="cursor:help">0,00</span> <abbr class="abbr" title="kelvin">K</abbr>) est à <span title="−273,2 °C ou 0 K" style="cursor:help">−459,67</span> <abbr class="abbr" title="degré Fahrenheit">°F</abbr> et un écart de température de <span title="−268,15 °C ou −450,67 °F" style="cursor:help">5</span> <abbr class="abbr" title="kelvin">K</abbr> est égal à un écart de <span title="−12,8 °C ou 260,4 K" style="cursor:help">9</span> <abbr class="abbr" title="degré Fahrenheit">°F</abbr>. Dans cette échelle, le <a href="/wiki/Point_de_fusion" title="Point de fusion">point de fusion</a> de la glace, sous <a href="/wiki/Conditions_normales_de_temp%C3%A9rature_et_de_pression" title="Conditions normales de température et de pression">pression atmosphérique normale</a>, est à <span title="0 °C ou 273,1 K" style="cursor:help">32,001 6</span> <abbr class="abbr" title="degré Fahrenheit">°F</abbr>, et le <a href="/wiki/Point_d%27%C3%A9bullition" title="Point d'ébullition">point d'ébullition</a> à <span title="100 °C ou 373,1 K" style="cursor:help">211,971 0</span> <abbr class="abbr" title="degré Fahrenheit">°F</abbr>. </p> <div class="mw-heading mw-heading2"><h2 id="Conversion_en_degrés_Celsius"><span id="Conversion_en_degr.C3.A9s_Celsius"></span>Conversion en degrés Celsius</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Degr%C3%A9_Fahrenheit&veaction=edit&section=6" title="Modifier la section : Conversion en degrés Celsius" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Degr%C3%A9_Fahrenheit&action=edit&section=6" title="Modifier le code source de la section : Conversion en degrés Celsius"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fichier:Thermometer.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/1/1d/Thermometer.png/110px-Thermometer.png" decoding="async" width="110" height="975" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/1d/Thermometer.png/165px-Thermometer.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/1d/Thermometer.png/220px-Thermometer.png 2x" data-file-width="316" data-file-height="2801" /></a><figcaption>Degrés Fahrenheit (°F) et degrés Celsius (°C).</figcaption></figure> <p>Pour convertir en degrés Celsius une <a href="/wiki/Temp%C3%A9rature" title="Température">température</a> donnée en degrés Fahrenheit, il convient de soustraire 32 et de diviser le nombre ainsi obtenu par 1,8 (9/5 = 1,8). </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle T({\text{°C}})={\frac {T({\text{°F}})-32}{1,8}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>T</mi> <mo stretchy="false">(</mo> <mrow class="MJX-TeXAtom-ORD"> <mtext>°C</mtext> </mrow> <mo stretchy="false">)</mo> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <mi>T</mi> <mo stretchy="false">(</mo> <mrow class="MJX-TeXAtom-ORD"> <mtext>°F</mtext> </mrow> <mo stretchy="false">)</mo> <mo>−</mo> <mn>32</mn> </mrow> <mrow> <mn>1</mn> <mo>,</mo> <mn>8</mn> </mrow> </mfrac> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle T({\text{°C}})={\frac {T({\text{°F}})-32}{1,8}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/81436d975f0692101b983499cfbf7ea53e0ec75b" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.338ex; width:21.512ex; height:6.176ex;" alt="{\displaystyle T({\text{°C}})={\frac {T({\text{°F}})-32}{1,8}}}"></span></dd> <dd>Pour <span title="10 °C ou 283,1 K" style="cursor:help">50</span> <abbr class="abbr" title="degré Fahrenheit">°F</abbr>, on obtient : 50 − 32 = 18, puis 18/1,8 = 10 ; donc <span title="10 °C ou 283,1 K" style="cursor:help">50</span> <abbr class="abbr" title="degré Fahrenheit">°F</abbr> = <span title="50 °F ou 283,2 K">10 </span><abbr class="abbr" title="degré Celsius">°C</abbr>.</dd></dl> <p>Une bonne approximation est : (<span class="texhtml mvar" style="font-style:italic;">T</span>(°F) − 32)/2 + 10 %. </p> <dl><dd>Exemple : (50 − 32)/2 + 10 % = <span title="49,8 °F ou 283,1 K">9,9 </span><abbr class="abbr" title="degré Celsius">°C</abbr>.</dd></dl> <p><i>Conversion en degrés Fahrenheit</i> : <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle T({\text{°F}})=T({\text{°C}})\times 1,8+32}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>T</mi> <mo stretchy="false">(</mo> <mrow class="MJX-TeXAtom-ORD"> <mtext>°F</mtext> </mrow> <mo stretchy="false">)</mo> <mo>=</mo> <mi>T</mi> <mo stretchy="false">(</mo> <mrow class="MJX-TeXAtom-ORD"> <mtext>°C</mtext> </mrow> <mo stretchy="false">)</mo> <mo>×</mo> <mn>1</mn> <mo>,</mo> <mn>8</mn> <mo>+</mo> <mn>32</mn> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle T({\text{°F}})=T({\text{°C}})\times 1,8+32}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/4d796cb319a59f041fee9b5cca09a168be08d86b" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:26.875ex; height:2.843ex;" alt="{\displaystyle T({\text{°F}})=T({\text{°C}})\times 1,8+32}"></span>. </p> <div class="mw-heading mw-heading3"><h3 id="Quelques_températures_notables"><span id="Quelques_temp.C3.A9ratures_notables"></span>Quelques températures notables</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Degr%C3%A9_Fahrenheit&veaction=edit&section=7" title="Modifier la section : Quelques températures notables" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Degr%C3%A9_Fahrenheit&action=edit&section=7" title="Modifier le code source de la section : Quelques températures notables"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <table class="wikitable" style="text-align:right;"> <caption>Températures remarquables </caption> <tbody><tr> <th>°F </th> <th>°C </th> <th>Commentaire </th></tr> <tr> <td>−40<s style="visibility:hidden;color:transparent">,000</s> </td> <td>−40<s style="visibility:hidden;color:transparent">,000</s> </td> <td align="left">Point remarquable pour l’équivalence exacte des échelles. </td></tr> <tr> <td>0<s style="visibility:hidden;color:transparent">,000</s> </td> <td>−17,778 </td> <td align="left">Température la plus basse que Gabriel Fahrenheit ait pu mesurer en laboratoire. </td></tr> <tr> <td>32<s style="visibility:hidden;color:transparent">,000</s> </td> <td>0<s style="visibility:hidden;color:transparent">,000</s> </td> <td align="left">Point de fusion de la glace sous 1,013 25 bar. </td></tr> <tr> <td>98,6<s style="visibility:hidden;color:transparent">00</s> </td> <td>37<s style="visibility:hidden;color:transparent">,000</s> </td> <td rowspan="2" align="left">Température approximative du corps humain. </td></tr> <tr> <td>100,4<s style="visibility:hidden;color:transparent">00</s> </td> <td>38<s style="visibility:hidden;color:transparent">,000</s> </td></tr> <tr> <td>211,955 </td> <td>99,975 </td> <td align="left">Point d’ébullition de l’eau (valeur précise) à la <a href="/wiki/Pression_atmosph%C3%A9rique" title="Pression atmosphérique">pression atmosphérique</a> dite <i>normale</i>. </td></tr> <tr> <td>212<s style="visibility:hidden;color:transparent">,000</s> </td> <td>100<s style="visibility:hidden;color:transparent">,000</s> </td> <td align="left">Point d’ébullition de l’eau (valeur usuelle approchée) à la pression atmosphérique dite <i>normale</i>. </td></tr></tbody></table> <div class="mw-heading mw-heading3"><h3 id="Quelques_points_d'alignement_Fahrenheit/Celsius"><span id="Quelques_points_d.27alignement_Fahrenheit.2FCelsius"></span>Quelques points d'alignement Fahrenheit/Celsius</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Degr%C3%A9_Fahrenheit&veaction=edit&section=8" title="Modifier la section : Quelques points d'alignement Fahrenheit/Celsius" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Degr%C3%A9_Fahrenheit&action=edit&section=8" title="Modifier le code source de la section : Quelques points d'alignement Fahrenheit/Celsius"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <table class="wikitable" style="text-align:right;"> <caption>Points remarquables pour l’alignement des graduations </caption> <tbody><tr> <th>°F </th> <th>°C </th> <th>Commentaire </th></tr> <tr> <td>−459,67 </td> <td>−273,15 </td> <td align="left">Point du <a href="/wiki/Z%C3%A9ro_absolu" title="Zéro absolu">zéro absolu</a>. </td></tr> <tr> <td>−40<s style="visibility:hidden;color:transparent">,00</s> </td> <td>−40<s style="visibility:hidden;color:transparent">,00</s> </td> <td align="left">Point remarquable pour l’équivalence exacte des échelles. </td></tr> <tr> <td>5<s style="visibility:hidden;color:transparent">,00</s> </td> <td>−15<s style="visibility:hidden;color:transparent">,00</s> </td> <td rowspan="3" align="left"> </td></tr> <tr> <td>14<s style="visibility:hidden;color:transparent">,00</s> </td> <td>−10<s style="visibility:hidden;color:transparent">,00</s> </td></tr> <tr> <td>23<s style="visibility:hidden;color:transparent">,00</s> </td> <td>−5<s style="visibility:hidden;color:transparent">,00</s> </td></tr> <tr> <td>32<s style="visibility:hidden;color:transparent">,00</s> </td> <td>0<s style="visibility:hidden;color:transparent">,00</s> </td> <td align="left">Point de fusion de la glace. </td></tr> <tr> <td>41<s style="visibility:hidden;color:transparent">,00</s> </td> <td>5<s style="visibility:hidden;color:transparent">,00</s> </td> <td rowspan="7" align="left"> </td></tr> <tr> <td>50<s style="visibility:hidden;color:transparent">,00</s> </td> <td>10<s style="visibility:hidden;color:transparent">,00</s> </td></tr> <tr> <td>59<s style="visibility:hidden;color:transparent">,00</s> </td> <td>15<s style="visibility:hidden;color:transparent">,00</s> </td></tr> <tr> <td>68<s style="visibility:hidden;color:transparent">,00</s> </td> <td>20<s style="visibility:hidden;color:transparent">,00</s> </td></tr> <tr> <td>77<s style="visibility:hidden;color:transparent">,00</s> </td> <td>25<s style="visibility:hidden;color:transparent">,00</s> </td></tr> <tr> <td>86<s style="visibility:hidden;color:transparent">,00</s> </td> <td>30<s style="visibility:hidden;color:transparent">,00</s> </td></tr> <tr> <td>95<s style="visibility:hidden;color:transparent">,00</s> </td> <td>35<s style="visibility:hidden;color:transparent">,00</s> </td></tr> <tr> <td>100<s style="visibility:hidden;color:transparent">,00</s> </td> <td>38<s style="visibility:hidden;color:transparent">,00</s> </td> <td align="left">Température normale approximative du corps humain. </td></tr> <tr> <td>104<s style="visibility:hidden;color:transparent">,00</s> </td> <td>40<s style="visibility:hidden;color:transparent">,00</s> </td> <td rowspan="12"" align="left"> </td></tr> <tr> <td>113<s style="visibility:hidden;color:transparent">,00</s> </td> <td>45<s style="visibility:hidden;color:transparent">,00</s> </td></tr> <tr> <td>122<s style="visibility:hidden;color:transparent">,00</s> </td> <td>50<s style="visibility:hidden;color:transparent">,00</s> </td></tr> <tr> <td>131<s style="visibility:hidden;color:transparent">,00</s> </td> <td>55<s style="visibility:hidden;color:transparent">,00</s> </td></tr> <tr> <td>140<s style="visibility:hidden;color:transparent">,00</s> </td> <td>60<s style="visibility:hidden;color:transparent">,00</s> </td></tr> <tr> <td>149<s style="visibility:hidden;color:transparent">,00</s> </td> <td>65<s style="visibility:hidden;color:transparent">,00</s> </td></tr> <tr> <td>158<s style="visibility:hidden;color:transparent">,00</s> </td> <td>70<s style="visibility:hidden;color:transparent">,00</s> </td></tr> <tr> <td>167<s style="visibility:hidden;color:transparent">,00</s> </td> <td>75<s style="visibility:hidden;color:transparent">,00</s> </td></tr> <tr> <td>176<s style="visibility:hidden;color:transparent">,00</s> </td> <td>80<s style="visibility:hidden;color:transparent">,00</s> </td></tr> <tr> <td>185<s style="visibility:hidden;color:transparent">,00</s> </td> <td>85<s style="visibility:hidden;color:transparent">,00</s> </td></tr> <tr> <td>194<s style="visibility:hidden;color:transparent">,00</s> </td> <td>90<s style="visibility:hidden;color:transparent">,00</s> </td></tr> <tr> <td>203<s style="visibility:hidden;color:transparent">,00</s> </td> <td>95<s style="visibility:hidden;color:transparent">,00</s> </td></tr> <tr> <td>212<s style="visibility:hidden;color:transparent">,00</s> </td> <td>100<s style="visibility:hidden;color:transparent">,00</s> </td> <td align="left">Point d’ébullition de l'eau. </td></tr></tbody></table> <div class="mw-heading mw-heading2"><h2 id="Conversions_dans_d'autres_échelles_de_température"><span id="Conversions_dans_d.27autres_.C3.A9chelles_de_temp.C3.A9rature"></span>Conversions dans d'autres échelles de température</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Degr%C3%A9_Fahrenheit&veaction=edit&section=9" title="Modifier la section : Conversions dans d'autres échelles de température" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Degr%C3%A9_Fahrenheit&action=edit&section=9" title="Modifier le code source de la section : Conversions dans d'autres échelles de température"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <table class="wikitable"> <caption>Degrés Fahrenheit </caption> <tbody><tr> <th scope="row"><a href="/wiki/Kelvin" title="Kelvin">Kelvin</a> </th> <td>[K] = ([°F] + 459,67) × 5/9 </td> <td>[°F] = [K] × 9/5 − 459,67 </td></tr> <tr> <th scope="row"><a href="/wiki/Degr%C3%A9_Celsius" title="Degré Celsius">Celsius</a> </th> <td>[°C] = ([°F] − 32) × 5/9 </td> <td>[°F] = [°C] × 9/5 + 32 </td></tr> <tr> <th scope="row"><a href="/wiki/%C3%89chelle_Rankine" title="Échelle Rankine">Rankine</a> </th> <td>[°Ra] = [°F] + 459,67 </td> <td>[°F] = [°Ra] − 459,67 </td></tr> <tr> <th scope="row"><a href="/wiki/%C3%89chelle_R%C3%A9aumur" title="Échelle Réaumur">Réaumur</a> </th> <td>[°Ré] = ([°F] − 32) × 4/9 </td> <td>[°F] = [°Ré] × 9/4 + 32 </td></tr> <tr> <th scope="row"><a href="/wiki/%C3%89chelle_Newton" title="Échelle Newton">Newton</a> </th> <td>[°N] = ([°F] − 32) × 11/60 </td> <td>[°F] = [°N] × 60/11 + 32 </td></tr> <tr> <th scope="row"><a href="/wiki/%C3%89chelle_R%C3%B8mer" title="Échelle Rømer">Rømer</a> </th> <td>[°Rø] = ([°F] − 32) × 7/24 + 7,5 </td> <td>[°F] = ([°Rø] − 7,5) × 24/7 + 32 </td></tr> <tr> <th scope="row"><a href="/wiki/%C3%89chelle_Delisle" title="Échelle Delisle">Delisle</a> </th> <td>[°De] = (212 − [°F]) × 5/6 </td> <td>[°F] = 212 − [°De] × 6/5 </td></tr></tbody></table> <div class="mw-heading mw-heading2"><h2 id="Références_culturelles"><span id="R.C3.A9f.C3.A9rences_culturelles"></span>Références culturelles</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Degr%C3%A9_Fahrenheit&veaction=edit&section=10" title="Modifier la section : Références culturelles" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Degr%C3%A9_Fahrenheit&action=edit&section=10" title="Modifier le code source de la section : Références culturelles"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>Le livre de <a href="/wiki/Ray_Bradbury" title="Ray Bradbury">Ray Bradbury</a> <i><span class="nowrap"><a href="/wiki/Fahrenheit_451" title="Fahrenheit 451">Fahrenheit 451</a></span></i>, sur le totalitarisme, est ainsi nommé car c’est à <span title="232,8 °C ou 505,9 K" style="cursor:help">451</span> <abbr class="abbr" title="degré Fahrenheit">°F</abbr> (<span title="451,4 °F ou 506,2 K">233 </span><abbr class="abbr" title="degré Celsius">°C</abbr>) que le papier s’enflamme et se consume. Le personnage principal de cette histoire est un « pompier » dont le rôle est précisément de brûler les livres déclarés illégaux<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite_crochet">[</span>6<span class="cite_crochet">]</span></a></sup>.</li> <li>Le quatrième album de la chanteuse américaine <a href="/wiki/Suzanne_Vega" title="Suzanne Vega">Suzanne Vega</a> a pour titre <i><a href="/wiki/99.9F%C2%B0" title="99.9F°">99.9F°</a></i>.</li> <li>Dans le titre <i><span class="lang-en" lang="en"><a href="/wiki/Don%27t_Stop_Me_Now" title="Don't Stop Me Now">Don't Stop Me Now</a></span></i> de <a href="/wiki/Queen_(groupe)" class="mw-redirect" title="Queen (groupe)">Queen</a>, le chanteur fait référence au degré Fahrenheit (<span class="citation not_fr_quote" lang="en">« <span class="italique">[…] <span class="nowrap">200 degrees</span>, that's why they call me Mister Fahrenheit […]</span> »</span>).</li></ul> <div class="mw-heading mw-heading2"><h2 id="Notes_et_références"><span id="Notes_et_r.C3.A9f.C3.A9rences"></span>Notes et références</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Degr%C3%A9_Fahrenheit&veaction=edit&section=11" title="Modifier la section : Notes et références" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Degr%C3%A9_Fahrenheit&action=edit&section=11" title="Modifier le code source de la section : Notes et références"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="references-small decimal" style=""><div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink noprint"><a href="#cite_ref-1">↑</a> </span><span class="reference-text"><span class="ouvrage" id="Balmer2010"><span class="ouvrage" id="Robert_T._Balmer2010"><abbr class="abbr indicateur-langue" title="Langue : anglais">(en)</abbr> Robert T. Balmer, <cite class="italique" lang="en">Modern Engineering Thermodynamics</cite>, <span class="lang-en" lang="en"><a href="/wiki/Academic_Press" title="Academic Press">Academic Press</a></span>, <time>2010</time>, 801 <abbr class="abbr" title="pages">p.</abbr> <small style="line-height:1em;">(<a href="/wiki/International_Standard_Book_Number" title="International Standard Book Number">ISBN</a> <a href="/wiki/Sp%C3%A9cial:Ouvrages_de_r%C3%A9f%C3%A9rence/978-0-12-374996-3" title="Spécial:Ouvrages de référence/978-0-12-374996-3"><span class="nowrap">978-0-12-374996-3</span></a>, <a rel="nofollow" class="external text" href="https://books.google.com/books?id=VC-RuN6moREC&pg=PA9&dq=fahrenheit+temperature+scale+inventor+book">lire en ligne</a>)</small>, <abbr class="abbr" title="page">p.</abbr> 9<span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Modern+Engineering+Thermodynamics&rft.pub=Academic+Press&rft.aulast=Balmer&rft.aufirst=Robert+T.&rft.date=2010&rft.pages=9&rft.tpages=801&rft.isbn=978-0-12-374996-3&rfr_id=info%3Asid%2Ffr.wikipedia.org%3ADegr%C3%A9+Fahrenheit"></span></span></span>.</span> </li> <li id="cite_note-2"><span class="mw-cite-backlink noprint"><a href="#cite_ref-2">↑</a> </span><span class="reference-text"><a rel="nofollow" class="external text" href="https://laws-lois.justice.gc.ca/fra/lois/W-6/page-2.html#h-4/">Loi sur les poids et mesures</a>, <a href="/wiki/Justice_Canada" title="Justice Canada">ministère de la Justice du Canada</a>, <span class="nowrap">Titre 4</span> (5).</span> </li> <li id="cite_note-3"><span class="mw-cite-backlink noprint"><a href="#cite_ref-3">↑</a> </span><span class="reference-text"><span class="ouvrage" id="2012"><abbr class="abbr indicateur-langue" title="Langue : anglais">(en)</abbr> « <a rel="nofollow" class="external text" href="http://lamar.colostate.edu/~hillger/internat.htm"><cite style="font-style:normal;" lang="en">Metric usage and metrication in other countries</cite></a> », <span class="lang-en" lang="en">U.S. Metric Association</span>, <time class="nowrap" datetime="2012-08-21" data-sort-value="2012-08-21">21 août 2012</time></span>.</span> </li> <li id="cite_note-4"><span class="mw-cite-backlink noprint"><a href="#cite_ref-4">↑</a> </span><span class="reference-text"><span class="ouvrage" id="1724"><abbr class="abbr indicateur-langue" title="Langue : latin">(la)</abbr> « <cite style="font-style:normal" lang="la">VIII. Experimenta & observationes de congelatione aquæ in vacuo factæ a D. G. Fahrenheit, R. S. S</cite> » [« Expériences et observations sur la congélation de l'eau dans le vide par D. G. Fahrenheit, R. S. S. »], <i><span class="lang-la" lang="la"><a href="/wiki/Philosophical_Transactions_of_the_Royal_Society" title="Philosophical Transactions of the Royal Society">Philosophical Transactions of the Royal Society of London</a></span></i>, <abbr class="abbr" title="volume">vol.</abbr> 33, <abbr class="abbr" title="numéro">n<sup>o</sup></abbr> 382,‎ <time class="nowrap" datetime="1724-04-30" data-sort-value="1724-04-30">30 avril 1724</time>, <abbr class="abbr" title="pages">p.</abbr> <span class="nowrap">78–84</span> <small style="line-height:1em;">(<a href="/wiki/International_Standard_Serial_Number" title="International Standard Serial Number">ISSN</a> <span class="plainlinks noarchive"><a rel="nofollow" class="external text" href="https://portal.issn.org/resource/issn/0261-0523">0261-0523</a></span> et <span class="plainlinks noarchive"><a rel="nofollow" class="external text" href="https://portal.issn.org/resource/issn/2053-9223">2053-9223</a></span>, <a href="/wiki/Digital_Object_Identifier" title="Digital Object Identifier">DOI</a> <span class="plainlinks noarchive nowrap"><a rel="nofollow" class="external text" href="https://dx.doi.org/10.1098/rstl.1724.0016">10.1098/rstl.1724.0016</a></span>)</small><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.atitle=VIII.+Experimenta+%26+observationes+de+congelatione+aqu%C3%A6+in+vacuo+fact%C3%A6+a+D.+G.+Fahrenheit%2C+R.+S.+S&rft.jtitle=Philosophical+Transactions+of+the+Royal+Society+of+London&rft.issue=382&rft.date=1724-04-30&rft.volume=33&rft.pages=78%E2%80%9384&rft.issn=0261-0523&rft_id=info%3Adoi%2F10.1098%2Frstl.1724.0016&rfr_id=info%3Asid%2Ffr.wikipedia.org%3ADegr%C3%A9+Fahrenheit"></span></span> (<abbr class="abbr indicateur-langue" title="Langue : anglais">(en)</abbr> <a rel="nofollow" class="external text" href="http://www.sizes.com:80/units/temperature_Fahrenheit.htm">cité et traduit en anglais</a>).</span> </li> <li id="cite_note-5"><span class="mw-cite-backlink noprint"><a href="#cite_ref-5">↑</a> </span><span class="reference-text"><abbr class="abbr indicateur-langue" title="Langue : latin">(la)</abbr> Daniele Gabr. Fahrenheit, <a rel="nofollow" class="external text" href="http://rstl.royalsocietypublishing.org/content/33/381-391/1.full.pdf+html"><i><span class="lang-la" lang="la">Experimenta circa gradum caloris liquorum nonnullorum ebullientium instituta</span></i></a> (« Expériences sur le degré de chaleur de différents liquides en ébullition »), <i><a href="/wiki/Philosophical_Transactions_of_the_Royal_Society" title="Philosophical Transactions of the Royal Society"><span class="lang-en" lang="en">Philosophical Transactions of the Royal Society of London</span></a></i>, 33, 1–3, 1724 (<abbr class="abbr indicateur-langue" title="Langue : anglais">(en)</abbr> <a rel="nofollow" class="external text" href="https://web.lemoyne.edu/giunta/fahrenheit.html">traduction en anglais</a>).</span> </li> <li id="cite_note-6"><span class="mw-cite-backlink noprint"><a href="#cite_ref-6">↑</a> </span><span class="reference-text"><span class="ouvrage">« <a rel="nofollow" class="external text" href="http://www.utc.fr/~tthomass/Themes/Unites/Hommes/fahr/Gabriel%2520Fahrenheit.pdf"><cite style="font-style:normal;">Daniel Gabriel Fahrenheit (1686 - 1736)</cite></a> » <abbr class="abbr indicateur-format format-pdf" title="Document au format Portable Document Format (PDF) d'Adobe">[PDF]</abbr>, sur <span class="italique"><a href="/wiki/Universit%C3%A9_de_technologie_de_Compi%C3%A8gne" title="Université de technologie de Compiègne">université de technologie de Compiègne</a></span> <small style="line-height:1em;">(consulté le <time class="nowrap" datetime="2014-08-09" data-sort-value="2014-08-09">9 août 2014</time>)</small></span>.</span> </li> </ol></div> </div> <style data-mw-deduplicate="TemplateStyles:r194021218">.mw-parser-output .autres-projets>.titre{text-align:center;margin:0.2em 0}.mw-parser-output .autres-projets>ul{margin:0;padding:0}.mw-parser-output .autres-projets>ul>li{list-style:none;margin:0.2em 0;text-indent:0;padding-left:24px;min-height:20px;text-align:left;display:block}.mw-parser-output .autres-projets>ul>li>a{font-style:italic}@media(max-width:720px){.mw-parser-output .autres-projets{float:none}}</style><div class="autres-projets boite-grise boite-a-droite noprint js-interprojets"> <p class="titre">Sur les autres projets Wikimedia :</p> <ul class="noarchive plainlinks"> <li class="wiktionary"><a href="https://fr.wiktionary.org/wiki/degr%C3%A9_Fahrenheit" class="extiw" title="wikt:degré Fahrenheit">degré Fahrenheit</a>, <span class="nowrap">sur le <span class="project">Wiktionnaire</span></span></li> </ul> </div> <div class="navbox-container" style="clear:both;"> <table class="navbox collapsible noprint autocollapse" style=""> <tbody><tr><th class="navbox-title" colspan="2" style=""><div style="float:left; width:6em; text-align:left"><div class="noprint plainlinks nowrap tnavbar" style="padding:0; font-size:xx-small; color:var(--color-emphasized, #000000);"><a href="/wiki/Mod%C3%A8le:Palette_Grandeurs_et_unit%C3%A9s" title="Modèle:Palette Grandeurs et unités"><abbr class="abbr" title="Voir ce modèle.">v</abbr></a> · <a class="external text" href="https://fr.wikipedia.org/w/index.php?title=Mod%C3%A8le:Palette_Grandeurs_et_unit%C3%A9s&action=edit"><abbr class="abbr" title="Modifier ce modèle. Merci de prévisualiser avant de sauvegarder.">m</abbr></a></div></div><div style="font-size:110%"><a href="/wiki/Grandeur_physique" title="Grandeur physique">Grandeurs physiques</a> <a href="/wiki/Unit%C3%A9_fondamentale" title="Unité fondamentale">fondamentales</a> et <a href="/wiki/Unit%C3%A9_de_mesure" title="Unité de mesure">unités de mesure</a> usuelles associées</div></th> </tr> <tr> <th class="navbox-group" style=""><a href="/wiki/Longueur" title="Longueur">Longueur</a> (L)</th> <td class="navbox-list" style=""><table class="navbox-subgroup" style=""> <tbody><tr> <th class="navbox-group" style="white-space:nowrap; text-align:left; width:10em;"><a href="/wiki/Unit%C3%A9_de_longueur" title="Unité de longueur">Unités de longueur</a></th> <td class="navbox-list" style="text-align:left;;"><div class="liste-horizontale"> <ul><li><b><a href="/wiki/M%C3%A8tre" title="Mètre">mètre (m)</a></b>, <a href="/wiki/Centim%C3%A8tre" title="Centimètre">centimètre (cm)</a> et <a href="/wiki/Millim%C3%A8tre" title="Millimètre">millimètre (mm)</a></li> <li><a href="/wiki/Kilom%C3%A8tre" title="Kilomètre">kilomètre (km)</a></li> <li><a href="/wiki/Verge_(unit%C3%A9)" title="Verge (unité)">verge ou yard</a>, <a href="/wiki/Pied_(unit%C3%A9)" title="Pied (unité)">pied</a> et <a href="/wiki/Pouce_(unit%C3%A9)" title="Pouce (unité)">pouce</a></li> <li><a href="/wiki/Mille_terrestre_international" title="Mille terrestre international">mille terrestre (mi)</a></li> <li><a href="/wiki/Mille_marin" title="Mille marin">mille marin</a></li> <li><a href="/wiki/Milli%C3%A8me_de_pouce" title="Millième de pouce">thou ou mil</a></li> <li><a href="/wiki/Microm%C3%A8tre" title="Micromètre">micromètre (μm)</a> (<abbr class="abbr" title="anciennement">anc.</abbr> micron (µ))</li> <li><a href="/wiki/Nanom%C3%A8tre" title="Nanomètre">nanomètre (nm)</a></li> <li><a href="/wiki/%C3%85ngstr%C3%B6m" title="Ångström">ångström (Å)</a></li> <li><a href="/wiki/Picom%C3%A8tre" title="Picomètre">picomètre (pm)</a></li> <li><a href="/wiki/Femtom%C3%A8tre" title="Femtomètre">femtomètre (fm)</a></li> <li><a href="/wiki/Ann%C3%A9e-lumi%C3%A8re" title="Année-lumière">année-lumière (al)</a></li> <li><a href="/wiki/Parsec" title="Parsec">parsec (pc)</a></li> <li><a href="/wiki/Unit%C3%A9_astronomique" title="Unité astronomique">unité astronomique (au)</a></li></ul> </div></td> </tr> </tbody></table></td> </tr> <tr> <th class="navbox-group" style=""><a href="/wiki/Masse" title="Masse">Masse</a> (M)</th> <td class="navbox-list navbox-even" style=""><table class="navbox-subgroup" style=""> <tbody><tr> <th class="navbox-group" style="white-space:nowrap; text-align:left; width:10em;"><a href="/wiki/Unit%C3%A9_de_masse" title="Unité de masse">Unités de masse</a></th> <td class="navbox-list" style="text-align:left;;"><div class="liste-horizontale"> <ul><li><b><a href="/wiki/Kilogramme" title="Kilogramme">kilogramme (kg)</a></b> et <a href="/wiki/Gramme" title="Gramme">gramme (g)</a></li> <li><a href="/wiki/Livre_(unit%C3%A9)" title="Livre (unité)">livre (lb)</a> et <a href="/wiki/Once_(unit%C3%A9)" title="Once (unité)">once (oz)</a></li> <li><a href="/wiki/Tonne" title="Tonne">tonne (t)</a></li></ul> </div></td> </tr> </tbody></table></td> </tr> <tr> <th class="navbox-group" style=""><a href="/wiki/Temps" title="Temps">Temps</a> (T)</th> <td class="navbox-list" style=""><table class="navbox-subgroup" style=""> <tbody><tr> <th class="navbox-group" style="white-space:nowrap; text-align:left; width:10em;"><a href="/wiki/Unit%C3%A9_de_temps" title="Unité de temps">Unité de temps</a></th> <td class="navbox-list" style="text-align:left;;"><div class="liste-horizontale"> <ul><li><b><a href="/wiki/Seconde_(temps)" title="Seconde (temps)">seconde (s)</a></b></li></ul> </div></td> </tr> </tbody></table></td> </tr> <tr> <th class="navbox-group" style=""><a href="/wiki/Courant_%C3%A9lectrique" title="Courant électrique">Intensité électrique</a> (I)</th> <td class="navbox-list navbox-even" style=""><table class="navbox-subgroup" style=""> <tbody><tr> <th class="navbox-group" style="white-space:nowrap; text-align:left; width:10em;"><a href="/wiki/Grandeur_%C3%A9lectrique" title="Grandeur électrique">Unité électrique</a></th> <td class="navbox-list" style="text-align:left;;"><div class="liste-horizontale"> <ul><li><b><a href="/wiki/Amp%C3%A8re" title="Ampère">ampère (A)</a></b></li></ul> </div></td> </tr> </tbody></table></td> </tr> <tr> <th class="navbox-group" style=""><a href="/wiki/Temp%C3%A9rature_thermodynamique" title="Température thermodynamique">Température</a> (<a href="/wiki/Th%C3%AAta" title="Thêta">Θ</a>)</th> <td class="navbox-list" style=""><table class="navbox-subgroup" style=""> <tbody><tr> <th class="navbox-group" style="white-space:nowrap; text-align:left; width:16em;"><a href="/wiki/Unit%C3%A9_de_temp%C3%A9rature" title="Unité de température">Unités de température</a></th> <td class="navbox-list" style="text-align:left;;"><div class="liste-horizontale"> <ul><li><b><a href="/wiki/Kelvin" title="Kelvin">kelvin (K)</a></b></li> <li><a href="/wiki/Degr%C3%A9_Celsius" title="Degré Celsius">degré Celsius (°C)</a></li> <li><a class="mw-selflink selflink">degré Fahrenheit (°F)</a></li> <li><a href="/wiki/%C3%89chelle_Rankine" title="Échelle Rankine">degré Rankine (°Ra)</a></li></ul> </div></td> </tr> </tbody></table></td> </tr> <tr> <th class="navbox-group" style=""><a href="/wiki/Quantit%C3%A9_de_mati%C3%A8re" title="Quantité de matière">Qté de matière</a> (N)</th> <td class="navbox-list navbox-even" style=""><table class="navbox-subgroup" style=""> <tbody><tr> <th class="navbox-group" style="white-space:nowrap; text-align:left; width:16em;"><a href="/wiki/Unit%C3%A9_de_quantit%C3%A9_de_mati%C3%A8re" title="Unité de quantité de matière">Unité de quantité de matière</a></th> <td class="navbox-list" style="text-align:left;;"><div class="liste-horizontale"> <ul><li><b><a href="/wiki/Mole_(unit%C3%A9)" title="Mole (unité)">mole (mol)</a></b></li></ul> </div></td> </tr> </tbody></table></td> </tr> <tr> <th class="navbox-group" style=""><a href="/wiki/Intensit%C3%A9_lumineuse" title="Intensité lumineuse">Intensité lumineuse</a> (J)</th> <td class="navbox-list" style=""><table class="navbox-subgroup" style=""> <tbody><tr> <th class="navbox-group" style="white-space:nowrap; text-align:left; width:16em;"><a href="/wiki/Photom%C3%A9trie_(optique)" title="Photométrie (optique)">Unités photométriques</a></th> <td class="navbox-list" style="text-align:left;;"><div class="liste-horizontale"> <ul><li><b><a href="/wiki/Candela" title="Candela">candela (cd)</a></b></li> <li><a href="/wiki/Bougie_(unit%C3%A9)" title="Bougie (unité)">bougie</a></li> <li><a href="/wiki/Bertrand_Guillaume_Carcel#Une_ancienne_unité_de_mesure" title="Bertrand Guillaume Carcel">carcel</a></li></ul> </div></td> </tr> </tbody></table></td> </tr> <tr> <td class="navbox-banner" style="" colspan="2"><div class="liste-horizontale"> <ul><li><a href="/wiki/Syst%C3%A8me_international_d%27unit%C3%A9s" title="Système international d'unités">Système international d'unités</a> (SI)</li> <li><a href="/wiki/Unit%C3%A9s_de_base_du_Syst%C3%A8me_international" title="Unités de base du Système international">Unités de base du SI</a></li> <li><a href="/wiki/Analyse_dimensionnelle" title="Analyse dimensionnelle">Analyse dimensionnelle</a></li> <li><a href="/wiki/Ordre_de_grandeur" title="Ordre de grandeur">Ordre de grandeur</a></li></ul> </div> <hr /> <small>Remarques : En <b>gras</b> : les <span class="nowrap">7 unités</span> de base légales du SI ; les grandeurs et unités photométriques sont les seules références subjectives du SI --</small></td></tr></tbody></table> <table class="navbox collapsible noprint autocollapse" style=""> <tbody><tr><th class="navbox-title" colspan="2" style=""><div style="float:left; width:6em; text-align:left"><div class="noprint plainlinks nowrap tnavbar" style="padding:0; font-size:xx-small; color:var(--color-emphasized, #000000);"><a href="/wiki/Mod%C3%A8le:Palette_%C3%89chelles_thermom%C3%A9triques" title="Modèle:Palette Échelles thermométriques"><abbr class="abbr" title="Voir ce modèle.">v</abbr></a> · <a class="external text" href="https://fr.wikipedia.org/w/index.php?title=Mod%C3%A8le:Palette_%C3%89chelles_thermom%C3%A9triques&action=edit"><abbr class="abbr" title="Modifier ce modèle. Merci de prévisualiser avant de sauvegarder.">m</abbr></a></div></div><div style="font-size:110%"><a href="/wiki/%C3%89chelle_(mesure)" title="Échelle (mesure)">Échelles</a> <a href="/wiki/Temp%C3%A9rature" title="Température">thermométriques</a></div></th> </tr> <tr> <td class="navbox-list" style="" colspan="2"><div class="liste-horizontale"> <ul><li><a href="/wiki/Degr%C3%A9_Celsius" title="Degré Celsius">Celsius</a></li> <li><a href="/wiki/Degr%C3%A9_centigrade" title="Degré centigrade">Centigrade</a></li> <li><a href="/wiki/%C3%89chelle_Delisle" title="Échelle Delisle">Delisle</a></li> <li><a class="mw-selflink selflink">Fahrenheit</a></li> <li><a href="/wiki/Kelvin" title="Kelvin">Kelvin</a> (<a href="/wiki/Syst%C3%A8me_international_d%27unit%C3%A9s" title="Système international d'unités">Système international d'unités</a>)</li> <li><a href="/wiki/%C3%89chelle_Leyden" title="Échelle Leyden">Leyden</a></li> <li><a href="/wiki/%C3%89chelle_Newton" title="Échelle Newton">Newton</a></li> <li><a href="/wiki/Temp%C3%A9rature_de_Planck" title="Température de Planck">Planck</a></li> <li><a href="/wiki/%C3%89chelle_Rankine" title="Échelle Rankine">Rankine</a></li> <li><a href="/wiki/%C3%89chelle_R%C3%A9aumur" title="Échelle Réaumur">Réaumur</a></li> <li><a href="/wiki/%C3%89chelle_R%C3%B8mer" title="Échelle Rømer">Rømer</a></li></ul> </div></td> </tr> <tr> <td class="navbox-list navbox-even" style="" colspan="2"><div class="liste-horizontale"> <ul><li><a href="/wiki/Conversion_des_unit%C3%A9s#Température" title="Conversion des unités">Conversion</a></li></ul> </div></td> </tr> </tbody></table> </div> <ul id="bandeau-portail" class="bandeau-portail"><li><span class="bandeau-portail-element"><span class="bandeau-portail-icone"><span class="noviewer" typeof="mw:File"><a href="/wiki/Portail:Physique" title="Portail de la physique"><img alt="icône décorative" src="//upload.wikimedia.org/wikipedia/commons/thumb/2/22/Circle-icons-physics-logo.svg/24px-Circle-icons-physics-logo.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/22/Circle-icons-physics-logo.svg/36px-Circle-icons-physics-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/22/Circle-icons-physics-logo.svg/48px-Circle-icons-physics-logo.svg.png 2x" data-file-width="512" data-file-height="512" /></a></span></span> <span class="bandeau-portail-texte"><a href="/wiki/Portail:Physique" title="Portail:Physique">Portail de la physique</a></span> </span></li> <li><span class="bandeau-portail-element"><span class="bandeau-portail-icone"><span class="noviewer" typeof="mw:File"><a href="/wiki/Portail:Froid_et_climatisation" title="Portail du froid et de la climatisation"><img alt="icône décorative" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c6/Snowflake_icon_%28light_blue%2C_bold%29.svg/24px-Snowflake_icon_%28light_blue%2C_bold%29.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c6/Snowflake_icon_%28light_blue%2C_bold%29.svg/36px-Snowflake_icon_%28light_blue%2C_bold%29.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c6/Snowflake_icon_%28light_blue%2C_bold%29.svg/48px-Snowflake_icon_%28light_blue%2C_bold%29.svg.png 2x" data-file-width="16" data-file-height="16" /></a></span></span> <span class="bandeau-portail-texte"><a href="/wiki/Portail:Froid_et_climatisation" title="Portail:Froid et climatisation">Portail du froid et de la climatisation</a></span> </span></li> </ul>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; 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