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mw-first-heading"><span class="mw-page-title-main">Hertz</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. Available in 93 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-93" 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">93 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Hertz" title="Hertz – Afrikaans" lang="af" hreflang="af" data-title="Hertz" data-language-autonym="Afrikaans" data-language-local-name="Afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%87%D8%B1%D8%AA%D8%B2" title="هرتز – Arabic" lang="ar" hreflang="ar" data-title="هرتز" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Herciu" title="Herciu – Asturian" lang="ast" hreflang="ast" data-title="Herciu" data-language-autonym="Asturianu" data-language-local-name="Asturian" 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/Hers" title="Hers – Azerbaijani" lang="az" hreflang="az" data-title="Hers" data-language-autonym="Azərbaycanca" data-language-local-name="Azerbaijani" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%B9%E0%A6%BE%E0%A6%B0%E0%A7%8D%E0%A6%9C" title="হার্জ – Bangla" lang="bn" hreflang="bn" data-title="হার্জ" data-language-autonym="বাংলা" data-language-local-name="Bangla" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/Hertz" title="Hertz – Minnan" lang="nan" hreflang="nan" data-title="Hertz" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="Minnan" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%93%D0%B5%D1%80%D1%86_(%D0%B0%D0%B4%D0%B7%D1%96%D0%BD%D0%BA%D0%B0_%D0%B2%D1%8B%D0%BC%D1%8F%D1%80%D1%8D%D0%BD%D0%BD%D1%8F)" title="Герц (адзінка вымярэння) – Belarusian" lang="be" hreflang="be" data-title="Герц (адзінка вымярэння)" data-language-autonym="Беларуская" data-language-local-name="Belarusian" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%93%D1%8D%D1%80%D1%86" title="Гэрц – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Гэрц" 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%A5%D0%B5%D1%80%D1%86" title="Херц – Bulgarian" lang="bg" hreflang="bg" data-title="Херц" data-language-autonym="Български" data-language-local-name="Bulgarian" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bo mw-list-item"><a href="https://bo.wikipedia.org/wiki/%E0%BD%A7%E0%BD%BA%E0%BD%A2%E0%BC%8B%E0%BD%9A%E0%BD%B2%E0%BC%8D" title="ཧེར་ཚི། – Tibetan" lang="bo" hreflang="bo" data-title="ཧེར་ཚི།" data-language-autonym="བོད་ཡིག" data-language-local-name="Tibetan" class="interlanguage-link-target"><span>བོད་ཡིག</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Herc" title="Herc – Bosnian" lang="bs" hreflang="bs" data-title="Herc" data-language-autonym="Bosanski" data-language-local-name="Bosnian" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-br mw-list-item"><a href="https://br.wikipedia.org/wiki/Hertz" title="Hertz – Breton" lang="br" hreflang="br" data-title="Hertz" data-language-autonym="Brezhoneg" data-language-local-name="Breton" class="interlanguage-link-target"><span>Brezhoneg</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Hertz" title="Hertz – Catalan" lang="ca" hreflang="ca" data-title="Hertz" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/%D0%93%D0%B5%D1%80%D1%86_(%D0%B2%D0%B8%C3%A7%D0%B5%D0%B2_%D0%BF%C4%95%D1%80%D1%87%D0%B8)" title="Герц (виçев пĕрчи) – Chuvash" lang="cv" hreflang="cv" data-title="Герц (виçев пĕрчи)" data-language-autonym="Чӑвашла" data-language-local-name="Chuvash" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Hertz" title="Hertz – Czech" lang="cs" hreflang="cs" data-title="Hertz" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Hertz" title="Hertz – Welsh" lang="cy" hreflang="cy" data-title="Hertz" data-language-autonym="Cymraeg" data-language-local-name="Welsh" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Hertz" title="Hertz – Danish" lang="da" hreflang="da" data-title="Hertz" data-language-autonym="Dansk" data-language-local-name="Danish" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Hertz_(Einheit)" title="Hertz (Einheit) – German" lang="de" hreflang="de" data-title="Hertz (Einheit)" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Herts" title="Herts – Estonian" lang="et" hreflang="et" data-title="Herts" data-language-autonym="Eesti" data-language-local-name="Estonian" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%A7%CE%B5%CF%81%CF%84%CE%B6" title="Χερτζ – Greek" lang="el" hreflang="el" data-title="Χερτζ" data-language-autonym="Ελληνικά" data-language-local-name="Greek" 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/Hertz" title="Hertz – English" lang="en" hreflang="en" data-title="Hertz" data-language-autonym="English" data-language-local-name="English" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Hercio" title="Hercio – Spanish" lang="es" hreflang="es" data-title="Hercio" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Herco" title="Herco – Esperanto" lang="eo" hreflang="eo" data-title="Herco" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Hertz" title="Hertz – Basque" lang="eu" hreflang="eu" data-title="Hertz" 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%87%D8%B1%D8%AA%D8%B2" title="هرتز – Persian" lang="fa" hreflang="fa" data-title="هرتز" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Hertz" title="Hertz – French" lang="fr" hreflang="fr" data-title="Hertz" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-fy mw-list-item"><a href="https://fy.wikipedia.org/wiki/Hertz_(ienheid)" title="Hertz (ienheid) – Western Frisian" lang="fy" hreflang="fy" data-title="Hertz (ienheid)" data-language-autonym="Frysk" data-language-local-name="Western Frisian" class="interlanguage-link-target"><span>Frysk</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Heirts" title="Heirts – Irish" lang="ga" hreflang="ga" data-title="Heirts" data-language-autonym="Gaeilge" data-language-local-name="Irish" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Hertz" title="Hertz – Galician" lang="gl" hreflang="gl" data-title="Hertz" data-language-autonym="Galego" data-language-local-name="Galician" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-hak mw-list-item"><a href="https://hak.wikipedia.org/wiki/Het-ts%E1%B9%B3%CC%82" title="Het-tsṳ̂ – Hakka Chinese" lang="hak" hreflang="hak" data-title="Het-tsṳ̂" data-language-autonym="客家語 / Hak-kâ-ngî" data-language-local-name="Hakka Chinese" class="interlanguage-link-target"><span>客家語 / Hak-kâ-ngî</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%ED%97%A4%EB%A5%B4%EC%B8%A0" title="헤르츠 – Korean" lang="ko" hreflang="ko" data-title="헤르츠" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%80%D5%A5%D6%80%D6%81_(%D5%B9%D5%A1%D6%83%D5%B4%D5%A1%D5%B6_%D5%B4%D5%AB%D5%A1%D5%BE%D5%B8%D6%80)" title="Հերց (չափման միավոր) – Armenian" lang="hy" hreflang="hy" data-title="Հերց (չափման միավոր)" data-language-autonym="Հայերեն" data-language-local-name="Armenian" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%B9%E0%A4%B0%E0%A5%8D%E0%A4%9F%E0%A5%8D%E0%A4%9C%E0%A4%BC" title="हर्ट्ज़ – Hindi" lang="hi" hreflang="hi" data-title="हर्ट्ज़" 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/Herc" title="Herc – Croatian" lang="hr" hreflang="hr" data-title="Herc" data-language-autonym="Hrvatski" data-language-local-name="Croatian" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Hertz" title="Hertz – Indonesian" lang="id" hreflang="id" data-title="Hertz" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-ia mw-list-item"><a href="https://ia.wikipedia.org/wiki/Hertz" title="Hertz – Interlingua" lang="ia" hreflang="ia" data-title="Hertz" data-language-autonym="Interlingua" data-language-local-name="Interlingua" class="interlanguage-link-target"><span>Interlingua</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Herts" title="Herts – Icelandic" lang="is" hreflang="is" data-title="Herts" data-language-autonym="Íslenska" data-language-local-name="Icelandic" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Hertz" title="Hertz – Italian" lang="it" hreflang="it" data-title="Hertz" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%94%D7%A8%D7%A5" title="הרץ – Hebrew" lang="he" hreflang="he" data-title="הרץ" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-jv mw-list-item"><a href="https://jv.wikipedia.org/wiki/Hertz" title="Hertz – Javanese" lang="jv" hreflang="jv" data-title="Hertz" data-language-autonym="Jawa" data-language-local-name="Javanese" class="interlanguage-link-target"><span>Jawa</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%B0%E1%83%94%E1%83%A0%E1%83%AA%E1%83%98_(%E1%83%94%E1%83%A0%E1%83%97%E1%83%94%E1%83%A3%E1%83%9A%E1%83%98)" title="ჰერცი (ერთეული) – Georgian" lang="ka" hreflang="ka" data-title="ჰერცი (ერთეული)" data-language-autonym="ქართული" data-language-local-name="Georgian" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%93%D0%B5%D1%80%D1%86" title="Герц – Kazakh" lang="kk" hreflang="kk" data-title="Герц" data-language-autonym="Қазақша" data-language-local-name="Kazakh" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Hezi" title="Hezi – Swahili" lang="sw" hreflang="sw" data-title="Hezi" data-language-autonym="Kiswahili" data-language-local-name="Swahili" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%93%D0%B5%D1%80%D1%86" title="Герц – Kyrgyz" lang="ky" hreflang="ky" data-title="Герц" data-language-autonym="Кыргызча" data-language-local-name="Kyrgyz" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Hertz" title="Hertz – Latin" lang="la" hreflang="la" data-title="Hertz" data-language-autonym="Latina" data-language-local-name="Latin" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Hercs" title="Hercs – Latvian" lang="lv" hreflang="lv" data-title="Hercs" data-language-autonym="Latviešu" data-language-local-name="Latvian" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Hertz_(Eenheet)" title="Hertz (Eenheet) – Luxembourgish" lang="lb" hreflang="lb" data-title="Hertz (Eenheet)" data-language-autonym="Lëtzebuergesch" data-language-local-name="Luxembourgish" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Hercas" title="Hercas – Lithuanian" lang="lt" hreflang="lt" data-title="Hercas" data-language-autonym="Lietuvių" data-language-local-name="Lithuanian" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Hertz" title="Hertz – Hungarian" lang="hu" hreflang="hu" data-title="Hertz" data-language-autonym="Magyar" data-language-local-name="Hungarian" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%A5%D0%B5%D1%80%D1%86" title="Херц – Macedonian" lang="mk" hreflang="mk" data-title="Херц" data-language-autonym="Македонски" data-language-local-name="Macedonian" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%B9%E0%B5%86%E0%B5%BC%E0%B4%9F%E0%B5%8D%E0%B4%B8%E0%B5%8D_(%E0%B4%8F%E0%B4%95%E0%B4%95%E0%B4%82)" title="ഹെർട്സ് (ഏകകം) – Malayalam" lang="ml" hreflang="ml" data-title="ഹെർട്സ് (ഏകകം)" data-language-autonym="മലയാളം" data-language-local-name="Malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A4%B9%E0%A4%B0%E0%A5%8D%E0%A4%9F%E0%A5%8D%E2%80%8C%E0%A4%9D" title="हर्ट्‌झ – Marathi" lang="mr" hreflang="mr" data-title="हर्ट्‌झ" 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/Hertz" title="Hertz – Malay" lang="ms" hreflang="ms" data-title="Hertz" data-language-autonym="Bahasa Melayu" data-language-local-name="Malay" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D0%93%D0%B5%D1%80%D1%86_(%D0%BD%D1%8D%D0%B3%D0%B6)" title="Герц (нэгж) – Mongolian" lang="mn" hreflang="mn" data-title="Герц (нэгж)" data-language-autonym="Монгол" data-language-local-name="Mongolian" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/%E1%80%9F%E1%80%80%E1%80%BA%E1%80%87%E1%80%BA" title="ဟက်ဇ် – Burmese" lang="my" hreflang="my" data-title="ဟက်ဇ်" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="Burmese" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Hertz_(eenheid)" title="Hertz (eenheid) – Dutch" lang="nl" hreflang="nl" data-title="Hertz (eenheid)" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%83%98%E3%83%AB%E3%83%84" title="ヘルツ – Japanese" lang="ja" hreflang="ja" data-title="ヘルツ" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-frr mw-list-item"><a href="https://frr.wikipedia.org/wiki/Hertz_(ianhaid)" title="Hertz (ianhaid) – Northern Frisian" lang="frr" hreflang="frr" data-title="Hertz (ianhaid)" data-language-autonym="Nordfriisk" data-language-local-name="Northern Frisian" class="interlanguage-link-target"><span>Nordfriisk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Hertz" title="Hertz – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="Hertz" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Hertz" title="Hertz – Norwegian Nynorsk" lang="nn" hreflang="nn" data-title="Hertz" data-language-autonym="Norsk nynorsk" data-language-local-name="Norwegian Nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Hertz" title="Hertz – Occitan" lang="oc" hreflang="oc" data-title="Hertz" data-language-autonym="Occitan" data-language-local-name="Occitan" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-mhr mw-list-item"><a href="https://mhr.wikipedia.org/wiki/%D0%93%D0%B5%D1%80%D1%86_(%D1%88%D0%BE%D1%82%D0%BB%D1%8B%D0%BC%D0%B0%D1%88)" title="Герц (шотлымаш) – Eastern Mari" lang="mhr" hreflang="mhr" data-title="Герц (шотлымаш)" data-language-autonym="Олык марий" data-language-local-name="Eastern Mari" class="interlanguage-link-target"><span>Олык марий</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Gers_(birlik)" title="Gers (birlik) – Uzbek" lang="uz" hreflang="uz" data-title="Gers (birlik)" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="Uzbek" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-pnb mw-list-item"><a href="https://pnb.wikipedia.org/wiki/%DB%81%D8%B1%D9%B9%D8%B2" title="ہرٹز – Western Punjabi" lang="pnb" hreflang="pnb" data-title="ہرٹز" data-language-autonym="پنجابی" data-language-local-name="Western Punjabi" class="interlanguage-link-target"><span>پنجابی</span></a></li><li class="interlanguage-link interwiki-pms mw-list-item"><a href="https://pms.wikipedia.org/wiki/Hertz" title="Hertz – Piedmontese" lang="pms" hreflang="pms" data-title="Hertz" data-language-autonym="Piemontèis" data-language-local-name="Piedmontese" class="interlanguage-link-target"><span>Piemontèis</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Herc" title="Herc – Polish" lang="pl" hreflang="pl" data-title="Herc" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Hertz" title="Hertz – Portuguese" lang="pt" hreflang="pt" data-title="Hertz" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Hertz" title="Hertz – Romanian" lang="ro" hreflang="ro" data-title="Hertz" data-language-autonym="Română" data-language-local-name="Romanian" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-rue mw-list-item"><a href="https://rue.wikipedia.org/wiki/%D0%93%D0%B5%D1%80%D1%86" title="Герц – Rusyn" lang="rue" hreflang="rue" data-title="Герц" data-language-autonym="Русиньскый" data-language-local-name="Rusyn" class="interlanguage-link-target"><span>Русиньскый</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%93%D0%B5%D1%80%D1%86_(%D0%B5%D0%B4%D0%B8%D0%BD%D0%B8%D1%86%D0%B0_%D0%B8%D0%B7%D0%BC%D0%B5%D1%80%D0%B5%D0%BD%D0%B8%D1%8F)" title="Герц (единица измерения) – Russian" lang="ru" hreflang="ru" data-title="Герц (единица измерения)" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Herci" title="Herci – Albanian" lang="sq" hreflang="sq" data-title="Herci" data-language-autonym="Shqip" data-language-local-name="Albanian" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-scn mw-list-item"><a href="https://scn.wikipedia.org/wiki/Hertz" title="Hertz – Sicilian" lang="scn" hreflang="scn" data-title="Hertz" data-language-autonym="Sicilianu" data-language-local-name="Sicilian" class="interlanguage-link-target"><span>Sicilianu</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Hertz_(jednotka)" title="Hertz (jednotka) – Slovak" lang="sk" hreflang="sk" data-title="Hertz (jednotka)" data-language-autonym="Slovenčina" data-language-local-name="Slovak" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Herc" title="Herc – Slovenian" lang="sl" hreflang="sl" data-title="Herc" data-language-autonym="Slovenščina" data-language-local-name="Slovenian" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-szl mw-list-item"><a href="https://szl.wikipedia.org/wiki/Hertz" title="Hertz – Silesian" lang="szl" hreflang="szl" data-title="Hertz" data-language-autonym="Ślůnski" data-language-local-name="Silesian" class="interlanguage-link-target"><span>Ślůnski</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%A5%D0%B5%D1%80%D1%86" title="Херц – Serbian" lang="sr" hreflang="sr" data-title="Херц" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Herc" title="Herc – Serbo-Croatian" lang="sh" hreflang="sh" data-title="Herc" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croatian" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-su mw-list-item"><a href="https://su.wikipedia.org/wiki/Hertz" title="Hertz – Sundanese" lang="su" hreflang="su" data-title="Hertz" data-language-autonym="Sunda" data-language-local-name="Sundanese" class="interlanguage-link-target"><span>Sunda</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Hertsi" title="Hertsi – Finnish" lang="fi" hreflang="fi" data-title="Hertsi" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Hertz" title="Hertz – Swedish" lang="sv" hreflang="sv" data-title="Hertz" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%8F%E0%AE%B0%E0%AF%8D%E0%AE%9F%E0%AF%8D%E0%AE%9A%E0%AF%81" title="ஏர்ட்சு – Tamil" lang="ta" hreflang="ta" data-title="ஏர்ட்சு" data-language-autonym="தமிழ்" data-language-local-name="Tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/%D0%93%D0%B5%D1%80%D1%86_(%D2%AF%D0%BB%D1%87%D3%99%D2%AF_%D0%B1%D0%B5%D1%80%D3%99%D0%BC%D0%BB%D0%B5%D0%B3%D0%B5)" title="Герц (үлчәү берәмлеге) – Tatar" lang="tt" hreflang="tt" data-title="Герц (үлчәү берәмлеге)" data-language-autonym="Татарча / tatarça" data-language-local-name="Tatar" class="interlanguage-link-target"><span>Татарча / tatarça</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%B9%E0%B1%86%E0%B0%B0%E0%B1%8D%E0%B0%9F%E0%B1%8D%E0%B0%9C%E0%B1%8D" title="హెర్ట్జ్ – Telugu" lang="te" hreflang="te" data-title="హెర్ట్జ్" data-language-autonym="తెలుగు" data-language-local-name="Telugu" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B9%80%E0%B8%AE%E0%B8%B4%E0%B8%A3%E0%B8%95%E0%B8%8B%E0%B9%8C" title="เฮิรตซ์ – Thai" lang="th" hreflang="th" data-title="เฮิรตซ์" data-language-autonym="ไทย" data-language-local-name="Thai" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tg mw-list-item"><a href="https://tg.wikipedia.org/wiki/%D2%B2%D0%B5%D1%80%D1%82%D1%81" title="Ҳертс – Tajik" lang="tg" hreflang="tg" data-title="Ҳертс" data-language-autonym="Тоҷикӣ" data-language-local-name="Tajik" class="interlanguage-link-target"><span>Тоҷикӣ</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Hertz" title="Hertz – Turkish" lang="tr" hreflang="tr" data-title="Hertz" data-language-autonym="Türkçe" data-language-local-name="Turkish" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%93%D0%B5%D1%80%D1%86" title="Герц – Ukrainian" lang="uk" hreflang="uk" data-title="Герц" data-language-autonym="Українська" data-language-local-name="Ukrainian" 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/%DB%81%D8%B1%D9%B9%D8%B2" title="ہرٹز – Urdu" lang="ur" hreflang="ur" data-title="ہرٹز" data-language-autonym="اردو" data-language-local-name="Urdu" 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/Hertz" title="Hertz – Vietnamese" lang="vi" hreflang="vi" data-title="Hertz" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Hertz" title="Hertz – Waray" lang="war" hreflang="war" data-title="Hertz" data-language-autonym="Winaray" data-language-local-name="Waray" class="interlanguage-link-target"><span>Winaray</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E8%B5%AB%E5%85%B9" title="赫兹 – Wu" lang="wuu" hreflang="wuu" data-title="赫兹" data-language-autonym="吴语" data-language-local-name="Wu" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E8%B5%AB%E8%8C%B2" title="赫茲 – Cantonese" lang="yue" hreflang="yue" data-title="赫茲" data-language-autonym="粵語" data-language-local-name="Cantonese" class="interlanguage-link-target"><span>粵語</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E8%B5%AB%E5%85%B9" title="赫兹 – Chinese" lang="zh" hreflang="zh" data-title="赫兹" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q39369#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Change links</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namespaces"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Hertz" title="View the content page [c]" accesskey="c"><span>Page</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Talk:Hertz" rel="discussion" title="Discussion 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decoding="async" width="325" height="163" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/e/ea/Wave_frequency.gif 1.5x" data-file-width="400" data-file-height="200" /></a><figcaption>A <a href="/wiki/Sine_wave" title="Sine wave">sine wave</a> with varying frequency</figcaption></figure> <p>The <b>hertz</b> (symbol: <b>Hz</b>, definition: 1/<b>s</b>) is a unit derived from time which measures <a href="/wiki/Frequency" title="Frequency">frequency</a> in the <a href="/wiki/International_System_of_Units" title="International System of Units">International System of Units</a> (SI). Frequency is how often something happens. A frequency of 1 hertz means that something happens once a <a href="/wiki/Second" title="Second">second</a>. While <b>hertz</b> or <b>Hz</b> are the standard ways to express this unit, other expressions are sometimes used, as shown in the table. </p><p>The note <a href="/wiki/Middle_C" title="Middle C">Middle C</a> (the C in the middle of the <a href="/wiki/Piano" title="Piano">piano</a>) is 261.65 (262) Hz. This means there are 262 <a href="/wiki/Vibration" title="Vibration">vibrations</a> every second, which is heard as the note Middle C, when that piano key is played. </p><p>Humans are able to hear sounds between 20 and 20 000 Hz.<sup id="cite_ref-:0_1-0" class="reference"><a href="#cite_note-:0-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> Owls are able to hear sounds between 200 and 12000 Hz.<sup id="cite_ref-:1_2-0" class="reference"><a href="#cite_note-:1-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p><p>The basic unit is per second. The unit is named after the German physicist <a href="/wiki/Heinrich_Rudolf_Hertz" title="Heinrich Rudolf Hertz">Heinrich Rudolf Hertz</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Multiple_units">Multiple units</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Hertz&veaction=edit&section=1" title="Change section: Multiple units" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Hertz&action=edit&section=1" title="Edit section's source code: Multiple units"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>1000 hertz is 1 kilohertz. 1000 kilohertz is 1 megahertz, 1000 megahertz is 1 gigahertz: (see table) </p> <table align="left" class="wikitable"> <tbody><tr> <th>Unit </th> <th>Equal to: </th></tr> <tr> <td>Kilohertz (kHz) </td> <td>1000 Hz </td></tr> <tr> <td>Megahertz (MHz) </td> <td>1000 kHz </td></tr> <tr> <td>Gigahertz (GHz) </td> <td>1000 MHz </td></tr> <tr> <td>Terahertz (THz) </td> <td>1000 GHz </td></tr> <tr> <td>Petahertz (PHz) </td> <td>1000 THz </td></tr> <tr> <td>Exahertz (EHz) </td> <td>1000 PHz </td></tr> <tr> <td>Zettahertz (ZHz) </td> <td>1000 EHz </td></tr> <tr> <td>Yottahertz (YHz) </td> <td>1000 ZHz </td></tr></tbody></table> <div style="clear:both;" class=""></div> <div class="mw-heading mw-heading2"><h2 id="Examples">Examples</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Hertz&veaction=edit&section=2" title="Change section: Examples" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Hertz&action=edit&section=2" title="Edit section's source code: Examples"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>The frequency of the Earth's spinning (once per ~24 <a href="/wiki/Hour" title="Hour">hours</a>) is about 12 microhertz (much smaller than 1 Hz).</li> <li>The hertz is sometimes used to measure the power of a <a href="/wiki/Processor" class="mw-redirect" title="Processor">processor</a> in <a href="/wiki/Computing" class="mw-redirect" title="Computing">computing</a> and <a href="/wiki/Electronics" title="Electronics">electronics</a>.</li> <li><a href="/wiki/Amateur_radio" title="Amateur radio">Amateur radio</a> in the <a href="/wiki/United_States_of_America" class="mw-redirect" title="United States of America">United States of America</a> is at different frequencies between 1.8 and 1300 MHz<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup></li> <li><a href="/wiki/Air_traffic_control" title="Air traffic control">Air traffic control</a> uses frequencies between 3 and 25 MHz as well as frequencies between 108 and 136 MHz<sup id="cite_ref-spectrum_4-0" class="reference"><a href="#cite_note-spectrum-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup></li> <li>Musical note middle G (G4) has a frequency of 392 Hz.</li></ul> <div class="mw-heading mw-heading2"><h2 id="Sources">Sources</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Hertz&veaction=edit&section=3" title="Change section: Sources" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Hertz&action=edit&section=3" title="Edit section's source code: Sources"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r9724317">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist 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title="Candela">Candela</a></li> <li><a href="/wiki/Kelvin" title="Kelvin">Kelvin</a></li> <li><a href="/wiki/Kilogram" title="Kilogram">kg</a></li> <li><a href="/wiki/Metre" title="Metre">metre</a></li> <li><a href="/wiki/Mole_(unit)" title="Mole (unit)">mole</a></li> <li><a href="/wiki/Second" title="Second">s</a></li></ul> </div></td><td class="noviewer navbox-image" rowspan="4" style="width:1px;padding:0 0 0 2px"><div><span typeof="mw:File"><a href="/wiki/File:SI_base_units.svg" class="mw-file-description" title="SI base unit"><img alt="SI base unit" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/38/SI_base_units.svg/125px-SI_base_units.svg.png" decoding="async" width="125" height="125" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/38/SI_base_units.svg/188px-SI_base_units.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/38/SI_base_units.svg/250px-SI_base_units.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:center;">Units based<br />on other units</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Becquerel" title="Becquerel">Bq</a></li> <li><a href="/wiki/Curie_(unit)" title="Curie (unit)">Ci</a></li> <li><a href="/wiki/Coulomb" title="Coulomb">C</a></li> <li><a href="/wiki/Celsius" title="Celsius">°C</a></li> <li><a href="/wiki/Farad" title="Farad">F</a></li> <li><a href="/wiki/Gray_(unit)" title="Gray (unit)">Gy</a></li> <li><a href="/wiki/Henry_(unit)" title="Henry (unit)">Henry</a></li> <li><a class="mw-selflink selflink">Hz</a></li> <li><a href="/wiki/Joule" title="Joule">J</a></li> <li><a href="/wiki/Calorie" title="Calorie">kcal</a></li> <li><a href="/wiki/British_thermal_unit" title="British thermal unit">BTU</a></li> <li><a href="/wiki/Katal" title="Katal">Katal</a></li> <li><a href="/wiki/Lumen_(unit)" title="Lumen (unit)">lumen</a></li> <li><a href="/wiki/Lux" class="mw-redirect" title="Lux">lux</a></li> <li><a href="/wiki/Newton_(unit)" title="Newton (unit)">N</a></li> <li><a href="/wiki/Ohm" title="Ohm">Ω</a></li> <li><a href="/wiki/Pascal_(unit)" title="Pascal (unit)">Pa</a></li> <li><a href="/wiki/Radian" title="Radian">rad</a></li> <li><a href="/wiki/Siemens_(unit)" title="Siemens (unit)">Siemens</a></li> <li><a href="/wiki/Sievert" title="Sievert">Sv</a></li> <li><a href="/wiki/Steradian" title="Steradian">Steradian</a></li> <li><a href="/wiki/Tesla_(unit)" title="Tesla (unit)">T</a></li> <li><a href="/wiki/Volt" title="Volt">V</a></li> <li><a href="/wiki/Watt" title="Watt">W</a></li> <li><a href="/wiki/Weber_(unit)" title="Weber (unit)">Wb</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:center;">Other SI units</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Astronomical_Unit" class="mw-redirect" title="Astronomical Unit">AU</a></li> <li><a href="/wiki/Bar_(unit)" title="Bar (unit)">bar</a></li> <li><a href="/wiki/Day" title="Day">Day</a></li> <li><a href="/wiki/Parsec" title="Parsec">Parsec</a></li> <li><a href="/wiki/Decibel" title="Decibel">dB</a></li> <li><a href="/wiki/Degree_(angle)" title="Degree (angle)">Degree of arc</a></li> <li><a href="/wiki/Electronvolt" title="Electronvolt">Electronvolt</a></li> <li><a href="/wiki/Hectare" title="Hectare">Hectare</a></li> <li><a href="/wiki/Hour" title="Hour">h</a></li> <li><a href="/wiki/Litre" title="Litre">litre</a></li> <li><a href="/wiki/Gallon" title="Gallon">Gallon</a></li> <li><a href="/wiki/Minute" title="Minute">min</a></li> <li><a href="/wiki/Tonne" class="mw-redirect mw-disambig" title="Tonne">Tonne</a></li> <li><a href="/wiki/Dalton_(unit)" title="Dalton (unit)">Da</a></li> <li><a href="/wiki/Unified_atomic_mass_unit" class="mw-redirect" title="Unified atomic mass unit">amu</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:center;">See also</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Conversion_of_units" title="Conversion of units">Conversion of units</a></li> <li><a href="/wiki/Metric_prefix" class="mw-redirect" title="Metric prefix">Metric prefixes</a></li> <li><a href="/wiki/System_of_measurement" title="System of measurement">Systems of measurement</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="3"><div> <ul><li><b><span class="noviewer" typeof="mw:File"><span title="Category"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/9/96/Symbol_category_class.svg/16px-Symbol_category_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" 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