{"id":1820,"date":"2023-06-04T01:54:38","date_gmt":"2023-06-04T01:54:38","guid":{"rendered":"https:\/\/quickpercentcalc.com\/divers\/calculateur-de-force-1rm\/"},"modified":"2025-04-07T18:56:40","modified_gmt":"2025-04-07T18:56:40","slug":"calculateur-de-force-1rm","status":"publish","type":"page","link":"https:\/\/quickpercentcalc.com\/fr\/divers\/calculateur-de-force-1rm\/","title":{"rendered":"Calculateur de force (1RM)"},"content":{"rendered":"\n<p>Calculez votre max d&rsquo;un seul tenant (1RM). Notre calculateur vous permet d&rsquo;estimer facilement votre 1RM. <\/p>\n\n<p>Cette calculatrice vous permet d&rsquo;entrer le poids et le nombre de r\u00e9p\u00e9titions que vous pouvez effectuer dans un exercice de musculation afin d&rsquo;estimer le poids maximal que vous pouvez soulever pour une r\u00e9p\u00e9tition. Par exemple, si vous faites un d\u00e9velopp\u00e9 couch\u00e9 de 225 livres pendant 5 r\u00e9p\u00e9titions, le 1RM estim\u00e9 sera de 253,2 livres.<\/p>\n\n<p>Plusieurs formules sont utilis\u00e9es pour estimer le 1RM, mais l&rsquo;une des m\u00e9thodes les plus populaires et les plus pr\u00e9cises est la formule de Matt Brzycki.<\/p>\n\n<p>Formule pour le 1RM :<\/p>\n\n<style>\n.frac {\n    display: inline-block;\n    position: relative;\n    vertical-align: middle;\n    letter-spacing: 0.001em;\n    text-align: center;\n}\n.frac > span {\n    display: block;\n    padding: 0.1em;\n}\n.frac span.bottom {\n    border-top: thin solid black;\n}\n.frac span.symbol {\n    display: none;\n}\n<\/style>\n\n<div class=\"formel\">\n  $$\\frac{poids ~ en ~ lbs ~ ou ~ kgs}{1.0278 &#8211; (0.0278 \\times r\u00e9p\u00e9titions)}$$$\n<\/div>\n<br\/><br\/>\n\n<script>\nfunction calculate1RM() {\n    var weight = parseFloat(\n        document.getElementById(\"w\").value.replace(\/,\/g, \".\")\n    ).toFixed(4);\n\n    var reps = parseFloat(\n        document.getElementById(\"r\").value.replace(\/,\/g, \".\")\n    ).toFixed(4);\n\n    var result = weight \/ (1.0278 - (0.0278 * reps));\n    result = parseFloat(result);\n\n    if (result % 1 !== 0) {\n        result = result.toFixed(1);\n    } else {\n        result = result.toFixed();\n    }\n\n    document.getElementById(\"result\").innerHTML = result.toString();\n    document.getElementById(\"resultBox\").style.visibility = \"visible\";\n}\n<\/script>\n\n<label for=\"w\">Poids soulev\u00e9 (livres ou kgs)<\/label>\n<input type=\"number\" id=\"w\" min=\"0\"\/>\n<br\/><br\/><label for=\"r\">Nombre de r\u00e9p\u00e9titions<\/label>\n<input type=\"number\" id=\"r\" min=\"0\"\/>\n<br\/><br\/>\n<input type=\"button\" id=\"calculate\" value=\"Calculer\" onclick=\"calculate1RM()\"\/>\n<br\/><br\/><div id=\"resultBox\" style=\"visibility: hidden;\">\n    <span>Estimation du 1RM :<\/span><br\/>    <span id=\"result\" class=\"calculationResult\"><\/span>    \n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Calculez votre max d&rsquo;un seul tenant (1RM). Notre calculateur vous permet d&rsquo;estimer facilement votre 1RM. Cette calculatrice vous permet d&rsquo;entrer [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1772,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"kalkulator-side.php","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-1820","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Calculateur de force (1RM) - Quick Percent Calculator<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/quickpercentcalc.com\/fr\/divers\/calculateur-de-force-1rm\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Calculateur de force (1RM) - Quick Percent Calculator\" \/>\n<meta property=\"og:description\" content=\"Calculez votre max d&rsquo;un seul tenant (1RM). 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