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class="vector-toc-link" href="#Définition"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Définition</span> </div> </a> <button aria-controls="toc-Définition-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 Définition</span> </button> <ul id="toc-Définition-sublist" class="vector-toc-list"> <li id="toc-Le_millimètre_de_mercure_ou_torr" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Le_millimètre_de_mercure_ou_torr"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1</span> <span>Le millimètre de mercure ou torr</span> </div> </a> <ul id="toc-Le_millimètre_de_mercure_ou_torr-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Calcul_par_la_densité_du_mercure" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Calcul_par_la_densité_du_mercure"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.2</span> <span>Calcul par la densité du mercure</span> </div> </a> <ul id="toc-Calcul_par_la_densité_du_mercure-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Usage" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Usage"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Usage</span> </div> </a> <button aria-controls="toc-Usage-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 Usage</span> </button> <ul id="toc-Usage-sublist" class="vector-toc-list"> <li id="toc-En_physique" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#En_physique"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.1</span> <span>En physique</span> </div> </a> <ul id="toc-En_physique-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-En_médecine" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#En_médecine"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.2</span> <span>En médecine</span> </div> </a> <ul id="toc-En_médecine-sublist" class="vector-toc-list"> </ul> </li> </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">4</span> <span>Notes et références</span> </div> </a> <button aria-controls="toc-Notes_et_références-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 Notes et références</span> </button> <ul id="toc-Notes_et_références-sublist" class="vector-toc-list"> <li id="toc-Notes" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Notes"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.1</span> <span>Notes</span> </div> </a> <ul id="toc-Notes-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Bibliographie" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Bibliographie"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.2</span> <span>Bibliographie</span> </div> </a> <ul id="toc-Bibliographie-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Liens_externes" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Liens_externes"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Liens externes</span> </div> </a> <ul id="toc-Liens_externes-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">Millimètre de mercure</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 39 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-39" 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">39 langues</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%85%D9%8A%D9%84%D9%8A%D9%85%D8%AA%D8%B1_%D8%B2%D8%A6%D8%A8%D9%82%D9%8A" title="ميليمتر زئبقي – arabe" lang="ar" hreflang="ar" data-title="ميليمتر زئبقي" data-language-autonym="العربية" data-language-local-name="arabe" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Millimetr_civ%C9%99" title="Millimetr civə – azerbaïdjanais" lang="az" hreflang="az" data-title="Millimetr civə" data-language-autonym="Azərbaycanca" data-language-local-name="azerbaïdjanais" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%9C%D1%96%D0%BB%D1%96%D0%BC%D1%8D%D1%82%D0%B0%D1%80_%D1%80%D1%82%D1%83%D1%82%D0%BD%D0%B0%D0%B3%D0%B0_%D1%81%D0%BB%D1%83%D0%BF%D0%B0" title="Мілімэтар ртутнага слупа – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Мілімэтар ртутнага слупа" 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%9C%D0%B8%D0%BB%D0%B8%D0%BC%D0%B5%D1%82%D1%8A%D1%80_%D0%B6%D0%B8%D0%B2%D0%B0%D1%87%D0%B5%D0%BD_%D1%81%D1%82%D1%8A%D0%BB%D0%B1" title="Милиметър живачен стълб – bulgare" lang="bg" hreflang="bg" data-title="Милиметър живачен стълб" data-language-autonym="Български" data-language-local-name="bulgare" 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/MmHg" title="MmHg – bosniaque" lang="bs" hreflang="bs" data-title="MmHg" data-language-autonym="Bosanski" data-language-local-name="bosniaque" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Mil%C2%B7l%C3%ADmetre_de_mercuri" title="Mil·límetre de mercuri – catalan" lang="ca" hreflang="ca" data-title="Mil·límetre de mercuri" data-language-autonym="Català" data-language-local-name="catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-de badge-Q70894304 mw-list-item" title=""><a href="https://de.wikipedia.org/wiki/Millimeter_Quecksilbers%C3%A4ule" title="Millimeter Quecksilbersäule – allemand" lang="de" hreflang="de" data-title="Millimeter Quecksilbersäule" 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%A7%CE%B9%CE%BB%CE%B9%CE%BF%CF%83%CF%84%CF%8C%CE%BC%CE%B5%CF%84%CF%81%CE%BF_%CF%83%CF%84%CE%AE%CE%BB%CE%B7%CF%82_%CF%85%CE%B4%CF%81%CE%B1%CF%81%CE%B3%CF%8D%CF%81%CE%BF%CF%85" title="Χιλιοστόμετρο στήλης υδραργύρου – grec" lang="el" hreflang="el" data-title="Χιλιοστόμετρο στήλης υδραργύρου" 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/Millimetre_of_mercury" title="Millimetre of mercury – anglais" lang="en" hreflang="en" data-title="Millimetre of mercury" 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/Milimetro_da_hidrargo" title="Milimetro da hidrargo – espéranto" lang="eo" hreflang="eo" data-title="Milimetro da hidrargo" 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/Mil%C3%ADmetro_de_mercurio" title="Milímetro de mercurio – espagnol" lang="es" hreflang="es" data-title="Milímetro de mercurio" 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/Millimeeter_elavh%C3%B5bedasammast" title="Millimeeter elavhõbedasammast – estonien" lang="et" hreflang="et" data-title="Millimeeter elavhõbedasammast" data-language-autonym="Eesti" data-language-local-name="estonien" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%85%DB%8C%D9%84%DB%8C%E2%80%8C%D9%85%D8%AA%D8%B1_%D8%AC%DB%8C%D9%88%D9%87" title="میلی‌متر جیوه – persan" lang="fa" hreflang="fa" data-title="میلی‌متر جیوه" 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/Elohopeamillimetri" title="Elohopeamillimetri – finnois" lang="fi" hreflang="fi" data-title="Elohopeamillimetri" data-language-autonym="Suomi" data-language-local-name="finnois" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Mil%C3%ADmetro_de_mercurio" title="Milímetro de mercurio – galicien" lang="gl" hreflang="gl" data-title="Milímetro de mercurio" data-language-autonym="Galego" data-language-local-name="galicien" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Milimetar_%C5%BEivina_stupca" title="Milimetar živina stupca – croate" lang="hr" hreflang="hr" data-title="Milimetar živina stupca" data-language-autonym="Hrvatski" data-language-local-name="croate" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%8F%D5%B8%D6%80" title="Տոր – arménien" lang="hy" hreflang="hy" data-title="Տոր" data-language-autonym="Հայերեն" data-language-local-name="arménien" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Milimeter_air_raksa" title="Milimeter air raksa – indonésien" lang="id" hreflang="id" data-title="Milimeter air raksa" 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-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E6%B0%B4%E9%8A%80%E6%9F%B1%E3%83%9F%E3%83%AA%E3%83%A1%E3%83%BC%E3%83%88%E3%83%AB" title="水銀柱ミリメートル – japonais" lang="ja" hreflang="ja" data-title="水銀柱ミリメートル" 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-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%9B%E1%83%98%E1%83%9A%E1%83%98%E1%83%9B%E1%83%94%E1%83%A2%E1%83%A0%E1%83%98_%E1%83%95%E1%83%94%E1%83%A0%E1%83%AA%E1%83%AE%E1%83%9A%E1%83%98%E1%83%A1%E1%83%AC%E1%83%A7%E1%83%9A%E1%83%98%E1%83%A1_%E1%83%A1%E1%83%95%E1%83%94%E1%83%A2%E1%83%98%E1%83%A1%E1%83%90" title="მილიმეტრი ვერცხლისწყლის სვეტისა – géorgien" lang="ka" hreflang="ka" data-title="მილიმეტრი ვერცხლისწყლის სვეტისა" data-language-autonym="ქართული" data-language-local-name="géorgien" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%88%98%EC%9D%80%EC%A3%BC_%EB%B0%80%EB%A6%AC%EB%AF%B8%ED%84%B0" title="수은주 밀리미터 – coréen" lang="ko" hreflang="ko" data-title="수은주 밀리미터" data-language-autonym="한국어" data-language-local-name="coréen" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Dz%C4%ABvsudraba_staba_milimetrs" title="Dzīvsudraba staba milimetrs – letton" lang="lv" hreflang="lv" data-title="Dzīvsudraba staba milimetrs" 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%9C%D0%B8%D0%BB%D0%B8%D0%BC%D0%B5%D1%82%D0%B0%D1%80_%D0%BD%D0%B0_%D0%B6%D0%B8%D0%B2%D0%B8%D0%BD%D0%B8%D0%BE%D1%82_%D1%81%D1%82%D0%BE%D0%BB%D0%B1" title="Милиметар на живиниот столб – macédonien" lang="mk" hreflang="mk" data-title="Милиметар на живиниот столб" data-language-autonym="Македонски" data-language-local-name="macédonien" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/MmHg" title="MmHg – néerlandais" lang="nl" hreflang="nl" data-title="MmHg" 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/MmHg" title="MmHg – norvégien nynorsk" lang="nn" hreflang="nn" data-title="MmHg" 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/Millimeter_kvikks%C3%B8lv" title="Millimeter kvikksølv – norvégien bokmål" lang="nb" hreflang="nb" data-title="Millimeter kvikksølv" 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-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Milimetr_s%C5%82upa_rt%C4%99ci" title="Milimetr słupa rtęci – polonais" lang="pl" hreflang="pl" data-title="Milimetr słupa rtęci" data-language-autonym="Polski" data-language-local-name="polonais" 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/Mil%C3%ADmetro_de_merc%C3%BArio" title="Milímetro de mercúrio – portugais" lang="pt" hreflang="pt" data-title="Milímetro de mercúrio" data-language-autonym="Português" data-language-local-name="portugais" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9C%D0%B8%D0%BB%D0%BB%D0%B8%D0%BC%D0%B5%D1%82%D1%80_%D1%80%D1%82%D1%83%D1%82%D0%BD%D0%BE%D0%B3%D0%BE_%D1%81%D1%82%D0%BE%D0%BB%D0%B1%D0%B0" title="Миллиметр ртутного столба – russe" lang="ru" hreflang="ru" data-title="Миллиметр ртутного столба" data-language-autonym="Русский" data-language-local-name="russe" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/MmHg" title="MmHg – serbo-croate" lang="sh" hreflang="sh" data-title="MmHg" 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-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Milimeter_%C5%BEivega_srebra" title="Milimeter živega srebra – slovène" lang="sl" hreflang="sl" data-title="Milimeter živega srebra" data-language-autonym="Slovenščina" data-language-local-name="slovène" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/MmHg" title="MmHg – serbe" lang="sr" hreflang="sr" data-title="MmHg" 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/MmHg" title="MmHg – suédois" lang="sv" hreflang="sv" data-title="MmHg" data-language-autonym="Svenska" data-language-local-name="suédois" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%A1%E0%B8%B4%E0%B8%A5%E0%B8%A5%E0%B8%B4%E0%B9%80%E0%B8%A1%E0%B8%95%E0%B8%A3%E0%B8%9B%E0%B8%A3%E0%B8%AD%E0%B8%97" title="มิลลิเมตรปรอท – thaï" lang="th" hreflang="th" data-title="มิลลิเมตรปรอท" data-language-autonym="ไทย" data-language-local-name="thaï" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/MmHg" title="MmHg – turc" lang="tr" hreflang="tr" data-title="MmHg" 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%9C%D1%96%D0%BB%D1%96%D0%BC%D0%B5%D1%82%D1%80_%D1%80%D1%82%D1%83%D1%82%D0%BD%D0%BE%D0%B3%D0%BE_%D1%81%D1%82%D0%BE%D0%B2%D0%BF%D0%B0" title="Міліметр ртутного стовпа – ukrainien" lang="uk" hreflang="uk" data-title="Міліметр ртутного стовпа" data-language-autonym="Українська" data-language-local-name="ukrainien" 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/Milim%C3%A9t_th%E1%BB%A7y_ng%C3%A2n" title="Milimét thủy ngân – vietnamien" lang="vi" hreflang="vi" data-title="Milimét thủy ngân" data-language-autonym="Tiếng Việt" 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title="Lien vers l’élément dans le dépôt de données connecté [g]" accesskey="g"><span>Élément Wikidata</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Outils de la page"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Apparence"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Apparence</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">déplacer vers la barre latérale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">masquer</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">Un article de Wikipédia, l'encyclopédie libre.</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="fr" dir="ltr"><p>Le <b>millimètre de mercure</b> (symbole mmHg) ou <b>torr</b> (symbole Torr) est une <a href="/wiki/Unit%C3%A9_de_mesure" title="Unité de mesure">unité de mesure</a> de la <a href="/wiki/Pression" title="Pression">pression</a>. Le millimètre de mercure, ou torr, vaut exactement <span class="nowrap"><span class="texhtml"><span style="display:inline-block; vertical-align:-0.5em; font-size:85%; text-align:center;"><span style="display:block; line-height:1em; margin:0 0.1em;">1</span><span style="position:absolute;left:-10000px;top:auto;width:1px;height:1px;overflow:hidden">/</span><span style="display:block; line-height:1em; margin:0 0.1em; border-top:1px solid;">760</span></span></span> <a href="/wiki/Atmosph%C3%A8re_(unit%C3%A9)" title="Atmosphère (unité)">atmosphère (atm)</a></span>, soit environ 133,322 <abbr class="abbr" title="pascals (Pa)"><a href="/wiki/Pascal_(unit%C3%A9)" title="Pascal (unité)">pascals (Pa)</a></abbr>. </p><p>Cette unité ne fait pas partie du <a href="/wiki/Syst%C3%A8me_international_d%27unit%C3%A9s" title="Système international d'unités">Système international d'unités</a>. Elle est principalement utilisée en <a href="/wiki/M%C3%A9decine" title="Médecine">médecine</a> pour la mesure de la <a href="/wiki/Pression_art%C3%A9rielle" title="Pression artérielle">pression sanguine</a> et en <a href="/wiki/Physique" title="Physique">physique</a> dans le cas des <a href="/wiki/Vide_(physique)" title="Vide (physique)">très basses pressions</a>. </p><p>Torr est une abréviation du nom du physicien et mathématicien italien <a href="/wiki/Evangelista_Torricelli" title="Evangelista Torricelli">Evangelista Torricelli</a>, inventeur du <a href="/wiki/Barom%C3%A8tre" title="Baromètre">baromètre</a> à colonne de <a href="/wiki/Mercure_(chimie)" title="Mercure (chimie)">mercure</a>. </p> <meta property="mw:PageProp/toc" /> <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=Millim%C3%A8tre_de_mercure&veaction=edit&section=1" 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=Millim%C3%A8tre_de_mercure&action=edit&section=1" title="Modifier le code source de la section : Historique"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><a href="/wiki/Evangelista_Torricelli" title="Evangelista Torricelli">Evangelista Torricelli</a> est l'inventeur du baromètre à colonne de mercure. Il est considéré comme ayant donné la première explication moderne de la <a href="/wiki/Pression_atmosph%C3%A9rique" title="Pression atmosphérique">pression atmosphérique</a> : elle correspond au poids que l'air exerce sur les surfaces<sup id="cite_ref-Purdue_1-0" class="reference"><a href="#cite_note-Purdue-1"><span class="cite_crochet">[</span>1<span class="cite_crochet">]</span></a></sup>. </p><p>Par la suite, une hauteur de <span title="101 325,024 Pa ou 1,013 25 bar" style="cursor:help">760</span> millimètres de mercure à une température de <span title="32 °F ou 273,2 K">0 </span><abbr class="abbr" title="degré Celsius">°C</abbr> a été considérée comme le standard de la pression atmosphérique au niveau de la mer<sup id="cite_ref-Purdue_1-1" class="reference"><a href="#cite_note-Purdue-1"><span class="cite_crochet">[</span>1<span class="cite_crochet">]</span></a></sup>. En l'honneur de Torricelli, la pression exercée par un millimètre de mercure (de symbole mmHg) à <span title="32 °F ou 273,2 K">0 </span><abbr class="abbr" title="degré Celsius">°C</abbr>, <a href="/wiki/Conditions_normales_de_temp%C3%A9rature_et_de_pression" title="Conditions normales de température et de pression">condition normale de température</a>, a été appelée torr (de symbole Torr)<sup id="cite_ref-CNRTL_2-0" class="reference"><a href="#cite_note-CNRTL-2"><span class="cite_crochet">[</span>2<span class="cite_crochet">]</span></a></sup><sup class="reference cite_virgule">,</sup><sup id="cite_ref-CFM_3-0" class="reference"><a href="#cite_note-CFM-3"><span class="cite_crochet">[</span>3<span class="cite_crochet">]</span></a></sup><sup class="reference cite_virgule">,</sup><sup id="cite_ref-Larousse_4-0" class="reference"><a href="#cite_note-Larousse-4"><span class="cite_crochet">[</span>4<span class="cite_crochet">]</span></a></sup>. </p><p>Cependant, la <a href="/wiki/Gravitation" title="Gravitation">gravité</a> n'étant pas homogène à la surface de la Terre du fait des irrégularités de sa forme, cette définition est imprécise et varie selon les lieux. En 1954 la définition de la <a href="/wiki/Conditions_normales_de_temp%C3%A9rature_et_de_pression" title="Conditions normales de température et de pression">pression atmosphérique normale</a> a été révisée lors de la <abbr class="abbr" title="Dixième">10<sup>e</sup></abbr> <a href="/wiki/Conf%C3%A9rence_g%C3%A9n%C3%A9rale_des_poids_et_mesures" title="Conférence générale des poids et mesures">Conférence générale des poids et mesures</a> : désormais une <a href="/wiki/Atmosph%C3%A8re_(unit%C3%A9)" title="Atmosphère (unité)">atmosphère (atm)</a>, soit 760 <abbr class="abbr" title="millimètre de mercure ou torr">mmHg ou torr</abbr>, vaut exactement 101 325 pascals (Pa)<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><sup class="reference cite_virgule">,</sup><sup id="cite_ref-meteofrance_6-0" class="reference"><a href="#cite_note-meteofrance-6"><span class="cite_crochet">[</span>6<span class="cite_crochet">]</span></a></sup>. Dès lors, le millimètre de mercure, ou torr, est défini comme 1/760<sup>e</sup> d'atmosphère, une définition précise, non ambigüe, qui est indépendante des mesures de la densité du mercure ou de l'accélération due à la gravité de la terre. </p><p>En <a href="/wiki/M%C3%A9t%C3%A9orologie" title="Météorologie">météorologie</a>, en France, le millimètre de mercure a été remplacé en 1927 par le <a href="/wiki/Millibar" title="Millibar">millibar</a><sup id="cite_ref-:0_7-0" class="reference"><a href="#cite_note-:0-7"><span class="cite_crochet">[</span>7<span class="cite_crochet">]</span></a></sup>, lui-même par la suite remplacé par l'<a href="/wiki/Hectopascal" class="mw-redirect" title="Hectopascal">hectopascal</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Définition"><span id="D.C3.A9finition"></span>Définition</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Millim%C3%A8tre_de_mercure&veaction=edit&section=2" title="Modifier la section : Définition" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Millim%C3%A8tre_de_mercure&action=edit&section=2" title="Modifier le code source de la section : Définition"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Le_millimètre_de_mercure_ou_torr"><span id="Le_millim.C3.A8tre_de_mercure_ou_torr"></span>Le millimètre de mercure ou torr</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Millim%C3%A8tre_de_mercure&veaction=edit&section=3" title="Modifier la section : Le millimètre de mercure ou torr" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Millim%C3%A8tre_de_mercure&action=edit&section=3" title="Modifier le code source de la section : Le millimètre de mercure ou torr"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Le millimètre de mercure ou torr est indexé sur la <a href="/wiki/Conditions_normales_de_temp%C3%A9rature_et_de_pression" title="Conditions normales de température et de pression">pression atmosphérique normale</a> : 1 <abbr class="abbr" title="atmosphère (atm)"><a href="/wiki/Atmosph%C3%A8re_(unit%C3%A9)" title="Atmosphère (unité)">atmosphère (atm)</a></abbr>, soit 101 325 <abbr class="abbr" title="pascals (Pa)"><a href="/wiki/Pascal_(unit%C3%A9)" title="Pascal (unité)">pascals (Pa)</a></abbr>, correspond <i>exactement</i> à 760 mmHg ou Torr<sup id="cite_ref-meteofrance_6-1" class="reference"><a href="#cite_note-meteofrance-6"><span class="cite_crochet">[</span>6<span class="cite_crochet">]</span></a></sup><sup class="reference cite_virgule">,</sup><sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite_crochet">[</span>8<span class="cite_crochet">]</span></a></sup>. </p><p>1 mmHg ou Torr vaut <i>exactement</i> <span class="nowrap"><span class="texhtml"><span style="display:inline-block; vertical-align:-0.5em; font-size:85%; text-align:center;"><span style="display:block; line-height:1em; margin:0 0.1em;">101 325</span><span style="position:absolute;left:-10000px;top:auto;width:1px;height:1px;overflow:hidden">/</span><span style="display:block; line-height:1em; margin:0 0.1em; border-top:1px solid;">760</span></span></span> pascals</span>, soit <i>environ</i><sup id="cite_ref-Green_Book_9-0" class="reference"><a href="#cite_note-Green_Book-9"><span class="cite_crochet">[</span>9<span class="cite_crochet">]</span></a></sup> : </p> <ul><li><span title="0,001 333 bar ou 0,001 316 atm" style="cursor:help">133,322</span> <abbr class="abbr" title="pascal"><a href="/wiki/Pascal_(unit%C3%A9)" title="Pascal (unité)">Pa</a></abbr> ;</li> <li><span title="0,001 333 bar ou 0,001 316 atm" style="cursor:help">0,133 322</span> <abbr class="abbr" title="kilopascal">kPa</abbr> ;</li> <li><span title="133,322 Pa ou 0,001 316 atm" style="cursor:help">1,333 22</span> × 10<sup>−3</sup> <abbr class="abbr" title="bar"><a href="/wiki/Bar_(unit%C3%A9)" title="Bar (unité)">bar</a></abbr> ;</li> <li><span title="133,322 422 Pa ou 0,001 333 bar" style="cursor:help">1,315 79</span> × 10<sup>−3</sup> <abbr class="abbr" title="atmosphère normale"><a href="/wiki/Atmosph%C3%A8re_(unit%C3%A9)" title="Atmosphère (unité)">atm</a></abbr> ;</li> <li><span title="133,322 537 Pa" style="cursor:help">1,933 68</span> × 10<sup>−2</sup> <abbr class="abbr" title="livre par pouce carré"><a href="/wiki/Livre-force_par_pouce_carr%C3%A9" title="Livre-force par pouce carré">psi</a></abbr>.</li></ul> <p>Réciproquement : </p> <ul><li><span title="10⁻⁵ bar ou 9,869 23 × 10⁻⁶ atm" style="cursor:help">1</span> <abbr class="abbr" title="pascal">Pa</abbr> ≈ 7,500 62 × 10<sup>−3</sup> Torr ;</li> <li><span title="0,01 bar ou 0,009 869 atm" style="cursor:help">1</span> <abbr class="abbr" title="kilopascal">kPa</abbr> ≈ 7,500 62 Torr ;</li> <li><span title="100 000 Pa ou 0,986 923 atm" style="cursor:help">1</span> bar ≈ 750,062 Torr ;</li> <li><span title="101 325 Pa ou 1,013 25 bar" style="cursor:help">1</span> <abbr class="abbr" title="atmosphère normale">atm</abbr> = 760 Torr (exactement) ;</li> <li><span title="6 894,757 Pa" style="cursor:help">1</span> <abbr class="abbr" title="livre par pouce carré">psi</abbr> ≈ 51,714 94 Torr.</li></ul> <div class="mw-heading mw-heading3"><h3 id="Calcul_par_la_densité_du_mercure"><span id="Calcul_par_la_densit.C3.A9_du_mercure"></span>Calcul par la densité du mercure</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Millim%C3%A8tre_de_mercure&veaction=edit&section=4" title="Modifier la section : Calcul par la densité du mercure" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Millim%C3%A8tre_de_mercure&action=edit&section=4" title="Modifier le code source de la section : Calcul par la densité du mercure"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>La définition antérieure à 1954 du millimètre de mercure est la pression exercée par une colonne de 1 <abbr class="abbr" title="millimètre">mm</abbr> de hauteur de <a href="/wiki/Mercure_(chimie)" title="Mercure (chimie)">mercure</a> (symbole Hg) liquide à <span title="32 °F ou 273,2 K">0 </span><abbr class="abbr" title="degré Celsius">°C</abbr>. Cette pression vaut : </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \Delta P=\rho \cdot g\cdot h}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi mathvariant="normal">Δ</mi> <mi>P</mi> <mo>=</mo> <mi>ρ</mi> <mo>⋅</mo> <mi>g</mi> <mo>⋅</mo> <mi>h</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \Delta P=\rho \cdot g\cdot h}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/217bc262ea26f1f99623a6fcf1b7dcc04d71ddf8" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:13.795ex; height:2.676ex;" alt="{\displaystyle \Delta P=\rho \cdot g\cdot h}"></span></dd></dl> <p>avec : </p> <ul><li><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \Delta P}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi mathvariant="normal">Δ</mi> <mi>P</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \Delta P}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/f6b96a223eb5eec6d7bee974542df2effaeff123" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:3.681ex; height:2.176ex;" alt="{\displaystyle \Delta P}"></span> la pression exercée par la colonne de liquide ;</li> <li><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 \rho }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>ρ</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \rho }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/1f7d439671d1289b6a816e6af7a304be40608d64" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:1.202ex; height:2.176ex;" alt="{\displaystyle \rho }"></span> la masse volumique du mercure à <span title="32 °F ou 273,2 K">0 </span><abbr class="abbr" title="degré Celsius">°C</abbr>, <span class="nowrap"><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 \rho }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>ρ</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \rho }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/1f7d439671d1289b6a816e6af7a304be40608d64" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:1.202ex; height:2.176ex;" alt="{\displaystyle \rho }"></span> = 13 595,1 kg/m<sup>3</sup></span> ;</li> <li><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 g}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>g</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle g}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/d3556280e66fe2c0d0140df20935a6f057381d77" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:1.116ex; height:2.009ex;" alt="{\displaystyle g}"></span> l'<a href="/wiki/Pesanteur" title="Pesanteur">accélération de la pesanteur</a>, <span class="nowrap"><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 g}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>g</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle g}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/d3556280e66fe2c0d0140df20935a6f057381d77" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:1.116ex; height:2.009ex;" alt="{\displaystyle g}"></span> = 9,806 65 m/s<sup>2</sup></span> ;</li> <li><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 h}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>h</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle h}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/b26be3e694314bc90c3215047e4a2010c6ee184a" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.339ex; height:2.176ex;" alt="{\displaystyle h}"></span> la hauteur de la colonne de mercure, soit <span class="nowrap">1 <abbr class="abbr" title="millimètre">mm</abbr> = 0,001 <abbr class="abbr" title="mètre">m</abbr></span>.</li></ul> <p>En pascals on obtient : </p> <dl><dd><span class="nowrap"><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \Delta P}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi mathvariant="normal">Δ</mi> <mi>P</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \Delta P}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/f6b96a223eb5eec6d7bee974542df2effaeff123" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:3.681ex; height:2.176ex;" alt="{\displaystyle \Delta P}"></span> = 13 595,1 × 9,806 65 × 0,001 ≈ 133,322 Pa</span></dd></dl> <p>en torrs : </p> <dl><dd><span class="nowrap"><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \Delta P}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi mathvariant="normal">Δ</mi> <mi>P</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \Delta P}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/f6b96a223eb5eec6d7bee974542df2effaeff123" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:3.681ex; height:2.176ex;" alt="{\displaystyle \Delta P}"></span> = <span class="texhtml"><span style="display:inline-block; vertical-align:-0.5em; font-size:85%; text-align:center;"><span style="display:block; line-height:1em; margin:0 0.1em;">760</span><span style="position:absolute;left:-10000px;top:auto;width:1px;height:1px;overflow:hidden">/</span><span style="display:block; line-height:1em; margin:0 0.1em; border-top:1px solid;">101 325</span></span></span> × 13 595,1 × 9,806 65 × 0,001 ≈ 1,000 000 14 Torr</span></dd></dl> <p>L'écart entre la valeur ainsi obtenue et celle obtenue par la définition indexée sur la pression normale est donc de moins de 2 × 10<sup>−7</sup> Torr<sup id="cite_ref-Green_Book_9-1" class="reference"><a href="#cite_note-Green_Book-9"><span class="cite_crochet">[</span>9<span class="cite_crochet">]</span></a></sup>. </p> <div class="mw-heading mw-heading2"><h2 id="Usage">Usage</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Millim%C3%A8tre_de_mercure&veaction=edit&section=5" title="Modifier la section : Usage" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Millim%C3%A8tre_de_mercure&action=edit&section=5" title="Modifier le code source de la section : Usage"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="En_physique">En physique</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Millim%C3%A8tre_de_mercure&veaction=edit&section=6" title="Modifier la section : En physique" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Millim%C3%A8tre_de_mercure&action=edit&section=6" title="Modifier le code source de la section : En physique"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Cette <a href="/wiki/Unit%C3%A9_de_mesure" title="Unité de mesure">unité</a> de <a href="/wiki/Pression" title="Pression">pression</a> est utilisée en <a href="/wiki/Physique" title="Physique">physique</a> dans le cas des très basses pressions (<a href="/wiki/D%C3%A9p%C3%B4t_chimique_en_phase_vapeur" title="Dépôt chimique en phase vapeur">dépôt chimique en phase vapeur</a>). </p> <div class="mw-heading mw-heading3"><h3 id="En_médecine"><span id="En_m.C3.A9decine"></span>En médecine</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Millim%C3%A8tre_de_mercure&veaction=edit&section=7" title="Modifier la section : En médecine" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Millim%C3%A8tre_de_mercure&action=edit&section=7" title="Modifier le code source de la section : En médecine"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Le millimètre de mercure est l'unité légale pour la mesure de la <a href="/wiki/Pression_art%C3%A9rielle" title="Pression artérielle">pression sanguine</a> dans certains pays<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite_crochet">[</span>10<span class="cite_crochet">]</span></a></sup><sup class="reference cite_virgule">,</sup><sup id="cite_ref-BIPM_11-0" class="reference"><a href="#cite_note-BIPM-11"><span class="cite_crochet">[</span>11<span class="cite_crochet">]</span></a></sup><sup class="reference cite_virgule">,</sup><sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite_crochet">[</span>12<span class="cite_crochet">]</span></a></sup><sup class="reference cite_virgule">,</sup><sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite_crochet">[</span>13<span class="cite_crochet">]</span></a></sup>. Il est également utilisé pour mesurer les <a href="/wiki/Contraction_ut%C3%A9rine" title="Contraction utérine">contractions utérines</a><sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite_crochet">[</span>14<span class="cite_crochet">]</span></a></sup>. </p> <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=Millim%C3%A8tre_de_mercure&veaction=edit&section=8" 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=Millim%C3%A8tre_de_mercure&action=edit&section=8" 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="mw-heading mw-heading3"><h3 id="Notes">Notes</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Millim%C3%A8tre_de_mercure&veaction=edit&section=9" title="Modifier la section : Notes" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Millim%C3%A8tre_de_mercure&action=edit&section=9" title="Modifier le code source de la section : Notes"><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 mw-references-columns"><ol class="references"> <li id="cite_note-Purdue-1"><span class="mw-cite-backlink noprint">↑ <sup><a href="#cite_ref-Purdue_1-0">a</a> et <a href="#cite_ref-Purdue_1-1">b</a></sup> </span><span class="reference-text"><span class="ouvrage" id="Université_Purdue"><abbr class="abbr indicateur-langue" title="Langue : anglais">(en)</abbr> <a href="/wiki/Universit%C3%A9_Purdue" title="Université Purdue">Université Purdue</a>, « <a rel="nofollow" class="external text" href="http://chemed.chem.purdue.edu/genchem/history/torricelli.html"><cite style="font-style:normal;" lang="en">Evangelista Torricelli</cite></a> », sur <span class="italique">purdue.edu</span> <small style="line-height:1em;">(consulté le <time class="nowrap" datetime="2021-04-27" data-sort-value="2021-04-27">27 avril 2021</time>)</small></span>.</span> </li> <li id="cite_note-CNRTL-2"><span class="mw-cite-backlink noprint"><a href="#cite_ref-CNRTL_2-0">↑</a> </span><span class="reference-text"><a href="#CNRTL">CNRTL</a>.</span> </li> <li id="cite_note-CFM-3"><span class="mw-cite-backlink noprint"><a href="#cite_ref-CFM_3-0">↑</a> </span><span class="reference-text"><a href="#CFM">CFM</a>.</span> </li> <li id="cite_note-Larousse-4"><span class="mw-cite-backlink noprint"><a href="#cite_ref-Larousse_4-0">↑</a> </span><span class="reference-text"><a href="#Larousse">Larousse</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"><span class="ouvrage" id="2002">« <a rel="nofollow" class="external text" href="https://www.bipm.org/documents/20126/41483022/si-brochure-9-App1-FR.pdf"><cite style="font-style:normal;">Résolution 4 de la 10e CGPM (1954). Définition de l'atmosphère normale</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">Bureau international des poids et mesures (BIPM)</span>, <time>2002</time> <small style="line-height:1em;">(consulté le <time class="nowrap" datetime="2021-05-23" data-sort-value="2021-05-23">23 mai 2021</time>)</small></span>, <abbr class="abbr" title="page">p.</abbr> 52.</span> </li> <li id="cite_note-meteofrance-6"><span class="mw-cite-backlink noprint">↑ <sup><a href="#cite_ref-meteofrance_6-0">a</a> et <a href="#cite_ref-meteofrance_6-1">b</a></sup> </span><span class="reference-text"><span class="ouvrage" id="Météo-France"><a href="/wiki/M%C3%A9t%C3%A9o-France" title="Météo-France">Météo-France</a>, « <a rel="nofollow" class="external text" href="http://files.meteofrance.com/files/glossaire/FR/glossaire/designation/700_curieux_view.html"><cite style="font-style:normal;">Pression atmosphérique normale</cite></a> », sur <span class="italique">meteofrance.fr</span> <small style="line-height:1em;">(consulté le <time class="nowrap" datetime="2021-12-02" data-sort-value="2021-12-02">2 décembre 2021</time>)</small></span>.</span> </li> <li id="cite_note-:0-7"><span class="mw-cite-backlink noprint"><a href="#cite_ref-:0_7-0">↑</a> </span><span class="reference-text"><span class="ouvrage" id="vol._411927"><span class="ouvrage" id="L'Astronomie,_vol._411927">L'Astronomie, vol. 41, « <a rel="nofollow" class="external text" href="https://articles.adsabs.harvard.edu/full/seri/LAstr/0041//0000087.000.html"><cite style="font-style:normal;">Les Millibars</cite></a> », sur <span class="italique">articles.adsabs.harvard.edu</span>, <time>1927</time> <small style="line-height:1em;">(consulté le <time class="nowrap" datetime="2024-02-11" data-sort-value="2024-02-11">11 février 2024</time>)</small></span></span>, <abbr class="abbr" title="page">p.</abbr> 81.</span> </li> <li id="cite_note-8"><span class="mw-cite-backlink noprint"><a href="#cite_ref-8">↑</a> </span><span class="reference-text"><a href="#Taillet">Taillet <i><abbr class="abbr" title="et alii (« et d’autres »)" lang="la">et al.</abbr></i></a>.</span> </li> <li id="cite_note-Green_Book-9"><span class="mw-cite-backlink noprint">↑ <sup><a href="#cite_ref-Green_Book_9-0">a</a> et <a href="#cite_ref-Green_Book_9-1">b</a></sup> </span><span class="reference-text"><span class="ouvrage" id="UICPA2007"><abbr class="abbr indicateur-langue" title="Langue : anglais">(en)</abbr> <a href="/wiki/Union_internationale_de_chimie_pure_et_appliqu%C3%A9e" title="Union internationale de chimie pure et appliquée">UICPA</a>, <cite class="italique" lang="en"><a href="/wiki/Quantities,_Units_and_Symbols_in_Physical_Chemistry" title="Quantities, Units and Symbols in Physical Chemistry">Quantities, Units and Symbols in Physical Chemistry</a> (<i>Green Book</i>)</cite>, <time>2007</time>, <abbr class="abbr" title="troisième">3<sup>e</sup></abbr> <abbr class="abbr" title="édition">éd.</abbr> <small style="line-height:1em;">(<a rel="nofollow" class="external text" href="https://iupac.org/wp-content/uploads/2019/05/IUPAC-GB3-2012-2ndPrinting-PDFsearchable.pdf">lire en ligne</a> <abbr class="abbr indicateur-format format-pdf" title="Document au format Portable Document Format (PDF) d'Adobe">[PDF]</abbr>)</small>, <abbr class="abbr" title="page(s)">p.</abbr> 138 et 233<span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Quantities%2C+Units+and+Symbols+in+Physical+Chemistry+%28%27%27Green+Book%27%27%29&rft.edition=3&rft.aucorp=%5B%5BUnion+internationale+de+chimie+pure+et+appliqu%C3%A9e%7CUICPA%5D%5D&rft.date=2007&rft.pages=138+et+233&rfr_id=info%3Asid%2Ffr.wikipedia.org%3AMillim%C3%A8tre+de+mercure"></span></span>.</span> </li> <li id="cite_note-10"><span class="mw-cite-backlink noprint"><a href="#cite_ref-10">↑</a> </span><span class="reference-text"><a rel="nofollow" class="external text" href="https://www.legifrance.gouv.fr/jo_pdf.do?id=JORFTEXT000000418787&pageCourante=03643">Décret n° 2003-185 du 27 février 2003</a> sur Légifrance. JO du <abbr class="abbr" title="Premier">1<sup>er</sup></abbr> mars 2003, page 3643 : « Le millimètre de mercure est une unité de pression sanguine et de pression des autres fluides corporels ».</span> </li> <li id="cite_note-BIPM-11"><span class="mw-cite-backlink noprint"><a href="#cite_ref-BIPM_11-0">↑</a> </span><span class="reference-text"><a href="/wiki/Brochure_sur_le_SI" title="Brochure sur le SI">Brochure sur le SI</a> : Le Système international d'unités [8<sup>e</sup> édition, 2006 ; mise à jour en 2014], <a rel="nofollow" class="external text" href="https://www.bipm.org/fr/publications/si-brochure/table8.html">Unités en dehors du SI en usage avec le SI et unités fondées sur des constantes fondamentales - Tableau 8. Autres unités en dehors du SI</a>, <a href="/wiki/Bureau_international_des_poids_et_mesures" title="Bureau international des poids et mesures">Bureau international des poids et mesures (BIPM)</a>.</span> </li> <li id="cite_note-12"><span class="mw-cite-backlink noprint"><a href="#cite_ref-12">↑</a> </span><span class="reference-text"><a rel="nofollow" class="external text" href="https://www.inserm.fr/information-en-sante/dossiers-information/hypertension-arterielle-hta">Hypertension artérielle (HTA)</a>, <a href="/wiki/Institut_national_de_la_sant%C3%A9_et_de_la_recherche_m%C3%A9dicale" title="Institut national de la santé et de la recherche médicale">Institut national de la santé et de la recherche médicale (INSERM)</a>.</span> </li> <li id="cite_note-13"><span class="mw-cite-backlink noprint"><a href="#cite_ref-13">↑</a> </span><span class="reference-text"><span class="ouvrage">« <a rel="nofollow" class="external text" href="https://www.hug-ge.ch/procedures-de-soins/mesure-de-la-pression-arterielle"><cite style="font-style:normal;">Mesure de la pression artérielle humérale</cite></a> », sur <span class="italique"><a href="/wiki/H%C3%B4pitaux_Universitaires_de_Gen%C3%A8ve" class="mw-redirect" title="Hôpitaux Universitaires de Genève">Hôpitaux Universitaires de Genève</a></span> <small style="line-height:1em;">(consulté le <time class="nowrap" datetime="2017-07-13" data-sort-value="2017-07-13">13 juillet 2017</time>)</small></span>.</span> </li> <li id="cite_note-14"><span class="mw-cite-backlink noprint"><a href="#cite_ref-14">↑</a> </span><span class="reference-text"><span class="ouvrage" id="LansacDescampsGoffinet2016"><span class="ouvrage" id="Jacques_LansacPhilippe_DescampsFrançois_Goffinet2016">Jacques Lansac, Philippe Descamps et François Goffinet, <cite class="italique">Pratique de l'accouchement</cite>, Elsevier Health Sciences, <time>2016</time>, 512 <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/9782294748837" title="Spécial:Ouvrages de référence/9782294748837"><span class="nowrap">9782294748837</span></a>, <a rel="nofollow" class="external text" href="https://books.google.fr/books?id=ntrWDwAAQBAJ&pg=PA13">lire en ligne</a>)</small>, <abbr class="abbr" title="page">p.</abbr> 13<span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Pratique+de+l%27accouchement&rft.pub=Elsevier+Health+Sciences&rft.aulast=Lansac&rft.aufirst=Jacques&rft.au=Philippe+Descamps&rft.au=Fran%C3%A7ois+Goffinet&rft.date=2016&rft.pages=13&rft.tpages=512&rft.isbn=9782294748837&rfr_id=info%3Asid%2Ffr.wikipedia.org%3AMillim%C3%A8tre+de+mercure"></span></span></span>.</span> </li> </ol></div> </div> <div class="mw-heading mw-heading3"><h3 id="Bibliographie">Bibliographie</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Millim%C3%A8tre_de_mercure&veaction=edit&section=10" title="Modifier la section : Bibliographie" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Millim%C3%A8tre_de_mercure&action=edit&section=10" title="Modifier le code source de la section : Bibliographie"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><span class="ouvrage" id="Taillet">Richard Taillet, Loïc Villain et Pascal Febvre, <cite class="italique">Dictionnaire de physique : + de 6500 termes, nombreuses références historiques, des milliers de références bibliographiques</cite>, Louvain-la-Neuve/impr. aux Pays-Bas, De Boeck supérieur, <time>2018</time>, 976 <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/978-2-8073-0744-5" title="Spécial:Ouvrages de référence/978-2-8073-0744-5"><span class="nowrap">978-2-8073-0744-5</span></a>, <a rel="nofollow" class="external text" href="https://books.google.fr/books?id=pjlFDwAAQBAJ&pg=PA765">lire en ligne</a>)</small>, <abbr class="abbr" title="page(s)">p.</abbr> 51;477;737<span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Dictionnaire+de+physique&rft.place=Louvain-la-Neuve%2Fimpr.+aux+Pays-Bas&rft.pub=De+Boeck+sup%C3%A9rieur&rft.stitle=%2B+de+6500+termes%2C+nombreuses+r%C3%A9f%C3%A9rences+historiques%2C+des+milliers+de+r%C3%A9f%C3%A9rences+bibliographiques&rft.au=Richard+Taillet&rft.au=Lo%C3%AFc+Villain&rft.au=Pascal+Febvre&rft.date=2018&rft.pages=51%3B477%3B737&rft.tpages=976&rft.isbn=978-2-8073-0744-5&rfr_id=info%3Asid%2Ffr.wikipedia.org%3AMillim%C3%A8tre+de+mercure"></span></span>.</li></ul> <div class="mw-heading mw-heading2"><h2 id="Liens_externes">Liens externes</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Millim%C3%A8tre_de_mercure&veaction=edit&section=11" title="Modifier la section : Liens externes" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Millim%C3%A8tre_de_mercure&action=edit&section=11" title="Modifier le code source de la section : Liens externes"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><span id="CNRTL"></span>Informations <a rel="nofollow" class="external text" href="http://www.cnrtl.fr/lexicographie/torr/0">lexicographiques</a> et <a rel="nofollow" class="external text" href="http://www.cnrtl.fr/etymologie/torr/0">étymologiques</a> de « torr » dans le <i><a href="/wiki/Tr%C3%A9sor_de_la_langue_fran%C3%A7aise_informatis%C3%A9" title="Trésor de la langue française informatisé">Trésor de la langue française informatisé</a></i>, sur le site du <a href="/wiki/Centre_national_de_ressources_textuelles_et_lexicales" title="Centre national de ressources textuelles et lexicales">Centre national de ressources textuelles et lexicales</a>.</li> <li><span class="ouvrage" id="OQLF">« <a rel="nofollow" class="external text" href="https://vitrinelinguistique.oqlf.gouv.qc.ca/redirection/ficheuid/17487440"><cite style="font-style:normal;">torr</cite></a> », <i><a href="/wiki/Grand_Dictionnaire_terminologique" title="Grand Dictionnaire terminologique">Grand Dictionnaire terminologique</a></i>, <a href="/wiki/Office_qu%C3%A9b%C3%A9cois_de_la_langue_fran%C3%A7aise" title="Office québécois de la langue française">Office québécois de la langue française</a></span>.</li> <li><span class="ouvrage" id="Larousse">« <a rel="nofollow" class="external text" href="https://www.larousse.fr/dictionnaires/francais/torr"><cite style="font-style:normal;">torr</cite></a> », <a href="/wiki/Le_Petit_Larousse" title="Le Petit Larousse">dictionnaire Larousse</a></span>.</li> <li><span class="ouvrage" id="Universalis">Encyclopédie Universalis, « <a rel="nofollow" class="external text" href="https://www.universalis.fr/encyclopedie/pression-atmospherique/1-les-unites-de-mesure-de-la-pression/"><cite style="font-style:normal;">Les unités de mesure de la pression</cite></a> », sur <span class="italique">universalis.fr</span> <small style="line-height:1em;">(consulté le <time class="nowrap" datetime="2021-05-26" data-sort-value="2021-05-26">26 mai 2021</time>)</small></span>.</li> <li><span class="ouvrage" id="CFM"><a href="/wiki/Coll%C3%A8ge_fran%C3%A7ais_de_m%C3%A9trologie" title="Collège français de métrologie">Collège français de métrologie</a> (CFM), « <a rel="nofollow" class="external text" href="https://www.cfmetrologie.com/fr/faq-mesure/14-maitrise-des-mesures/1135-quelle-est-lunite-de-pression"><cite style="font-style:normal;">Quelle est l’unité de pression ?</cite></a> », sur <span class="italique">cfmetrologie.com</span> <small style="line-height:1em;">(consulté le <time class="nowrap" datetime="2021-05-26" data-sort-value="2021-05-26">26 mai 2021</time>)</small></span>.</li></ul> <table class="navbox collapsible noprint autocollapse" style="background:white"> <tbody><tr><th class="navbox-title" colspan="2" style="background:#7AD5D0"><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_Unit%C3%A9_de_pression" title="Modèle:Palette Unité de pression"><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_Unit%C3%A9_de_pression&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%">Unités de <a href="/wiki/Pression" title="Pression">pression</a></div></th> </tr> <tr> <th class="navbox-group" style="text-align:right; white-space:nowrap; background:#CAD5D0"><b>Unité SI</b></th> <td class="navbox-list" style="background:white;"><div class="liste-horizontale"> <ul><li><b><a href="/wiki/Pascal_(unit%C3%A9)" title="Pascal (unité)">pascal</a></b></li></ul> </div></td> </tr> <tr> <th class="navbox-group" style="text-align:right; white-space:nowrap; background:#CAD5D0"><b>Unités non-SI</b></th> <td class="navbox-list navbox-even" style="background:white;"><div class="liste-horizontale"> <ul><li><a href="/wiki/Atmosph%C3%A8re_(unit%C3%A9)" title="Atmosphère (unité)">atmosphère normale</a></li> <li><a href="/wiki/Atmosph%C3%A8re_technique" title="Atmosphère technique">atmosphère technique</a></li> <li><a href="/wiki/Bar_(unit%C3%A9)" title="Bar (unité)">bar</a> et <a href="/wiki/Millibar" title="Millibar">mbar</a></li> <li><a href="/wiki/Barye" title="Barye">barye</a></li> <li><a class="mw-selflink selflink">mmHg</a></li> <li><a href="/wiki/Centim%C3%A8tre_d%27eau" title="Centimètre d'eau">cmH<sub>2</sub>O</a></li> <li><a href="/wiki/Pi%C3%A8ze" title="Pièze">pièze</a></li> <li><a href="/wiki/Livre-force_par_pouce_carr%C3%A9" title="Livre-force par pouce carré">psi</a></li> <li><a class="mw-selflink selflink">torr</a></li></ul> </div></td> </tr> </tbody></table> <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:M%C3%A9decine" title="Portail de la médecine"><img alt="icône décorative" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5b/Star_of_life2.svg/24px-Star_of_life2.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5b/Star_of_life2.svg/36px-Star_of_life2.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5b/Star_of_life2.svg/48px-Star_of_life2.svg.png 2x" data-file-width="192" data-file-height="192" /></a></span></span> <span class="bandeau-portail-texte"><a href="/wiki/Portail:M%C3%A9decine" title="Portail:Médecine">Portail de la médecine</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: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> </ul>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?useformat=desktop&type=1x1&usesul3=0" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Ce document provient de « <a dir="ltr" href="https://fr.wikipedia.org/w/index.php?title=Millimètre_de_mercure&oldid=212354879">https://fr.wikipedia.org/w/index.php?title=Millimètre_de_mercure&oldid=212354879</a> ».</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Cat%C3%A9gorie:Accueil" title="Catégorie:Accueil">Catégories</a> : <ul><li><a href="/wiki/Cat%C3%A9gorie:Unit%C3%A9_non-SI" title="Catégorie:Unité non-SI">Unité non-SI</a></li><li><a href="/wiki/Cat%C3%A9gorie:Unit%C3%A9_de_m%C3%A9canique" title="Catégorie:Unité de mécanique">Unité de mécanique</a></li><li><a href="/wiki/Cat%C3%A9gorie:Unit%C3%A9_de_pression" title="Catégorie:Unité de pression">Unité de pression</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Catégories cachées : <ul><li><a href="/wiki/Cat%C3%A9gorie:Portail:M%C3%A9decine/Articles_li%C3%A9s" title="Catégorie:Portail:Médecine/Articles liés">Portail:Médecine/Articles liés</a></li><li><a href="/wiki/Cat%C3%A9gorie:Portail:Biologie/Articles_li%C3%A9s" title="Catégorie:Portail:Biologie/Articles liés">Portail:Biologie/Articles liés</a></li><li><a href="/wiki/Cat%C3%A9gorie:Portail:Sciences/Articles_li%C3%A9s" title="Catégorie:Portail:Sciences/Articles liés">Portail:Sciences/Articles liés</a></li><li><a href="/wiki/Cat%C3%A9gorie:Portail:Physique/Articles_li%C3%A9s" title="Catégorie:Portail:Physique/Articles liés">Portail:Physique/Articles liés</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> La dernière modification de cette page a été faite le 11 février 2024 à 12:47.</li> <li id="footer-info-copyright"><span style="white-space: normal"><a href="/wiki/Wikip%C3%A9dia:Citation_et_r%C3%A9utilisation_du_contenu_de_Wikip%C3%A9dia" title="Wikipédia:Citation et réutilisation du contenu de Wikipédia">Droit d'auteur</a> : les textes sont disponibles sous <a rel="nofollow" class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.fr">licence Creative Commons attribution, partage dans les mêmes conditions</a> ; 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