{"id":1830,"date":"2023-06-04T01:54:38","date_gmt":"2023-06-04T01:54:38","guid":{"rendered":"https:\/\/quickpercentcalc.com\/varios\/calculadora-de-fuerza-1rm\/"},"modified":"2025-04-07T18:56:57","modified_gmt":"2025-04-07T18:56:57","slug":"calculadora-de-fuerza-1rm","status":"publish","type":"page","link":"https:\/\/quickpercentcalc.com\/es\/varios\/calculadora-de-fuerza-1rm\/","title":{"rendered":"Calculadora de fuerza (1RM)"},"content":{"rendered":"\n<p>Calcula tu fuerza m\u00e1xima en una repetici\u00f3n (1RM). Nuestra calculadora te ayuda a estimar f\u00e1cilmente tu 1RM.<\/p>\n\n<p>Esta calculadora te permite introducir el peso y el n\u00famero de repeticiones que puedes realizar en un ejercicio de fuerza para estimar el peso m\u00e1ximo que puedes levantar para una repetici\u00f3n. Por ejemplo, si haces press de banca de 225 lbs durante 5 repeticiones, el 1RM estimado ser\u00eda de 253,2 lbs.<\/p>\n\n<p>Hay varias f\u00f3rmulas utilizadas para estimar el 1RM, pero uno de los m\u00e9todos m\u00e1s populares y bastante preciso es la f\u00f3rmula de Matt Brzycki.<\/p>\n\n<p>F\u00f3rmula para 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  $$\\frac{peso ~ en ~ lbs ~ o ~ kgs}{1,0278 &#8211; (0,0278 \\veces repeticiones)}$$\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\">Peso levantado (lbs o kgs)<\/label>\n<input type=\"number\" id=\"w\" min=\"0\"\/>\n<br\/><br\/><label for=\"r\">N\u00famero de repeticiones<\/label>\n<input type=\"number\" id=\"r\" min=\"0\"\/>\n<br\/><br\/>\n<input type=\"button\" id=\"calculate\" value=\"Calcula\" onclick=\"calculate1RM()\"\/>\n<br\/><br\/><div id=\"resultBox\" style=\"visibility: hidden;\">\n    <span>1RM estimado:<\/span><br\/>    <span id=\"result\" class=\"calculationResult\"><\/span>    \n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Calcula tu fuerza m\u00e1xima en una repetici\u00f3n (1RM). Nuestra calculadora te ayuda a estimar f\u00e1cilmente tu 1RM. Esta calculadora te [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1777,"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-1830","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>Calculadora de fuerza (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\/es\/varios\/calculadora-de-fuerza-1rm\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Calculadora de fuerza (1RM) - Quick Percent Calculator\" \/>\n<meta property=\"og:description\" content=\"Calcula tu fuerza m\u00e1xima en una repetici\u00f3n (1RM). 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