{"id":1390,"date":"2026-03-04T11:43:45","date_gmt":"2026-03-04T11:43:45","guid":{"rendered":"https:\/\/powerbuilding.pl\/koerperfettanteil-bf-und-muskelmasse-pruefen-online-rechner\/"},"modified":"2026-03-06T17:45:45","modified_gmt":"2026-03-06T17:45:45","slug":"koerperfettanteil-bf-und-muskelmasse-pruefen-online-rechner","status":"publish","type":"post","link":"https:\/\/powerbuilding.pl\/de\/koerperfettanteil-bf-und-muskelmasse-pruefen-online-rechner\/","title":{"rendered":"K\u00f6rperfettanteil (BF%) und Muskelmasse pr\u00fcfen \u2013 Online-Rechner"},"content":{"rendered":"\n<div id=\"bf-calculator\" style=\"max-width: 400px; margin: 20px auto; padding: 25px; border: 1px solid #e0e0e0; border-radius: 12px; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background-color: #f9f9f9; box-shadow: 0 4px 6px rgba(0,0,0,0.1);\">\n    <h3 style=\"text-align: center; color: #333; margin-top: 0;\">K\u00f6rperfettanteil-Rechner<\/h3>\n    \n    <label style=\"display: block; margin-bottom: 5px; font-weight: 600;\">Geschlecht:<\/label>\n    <select id=\"gender\" style=\"width: 100%; padding: 10px; margin-bottom: 15px; border-radius: 5px; border: 1px solid #ccc;\" onchange=\"toggleHip()\">\n        <option value=\"male\">Mann<\/option>\n        <option value=\"female\">Frau<\/option>\n    <\/select>\n\n    <label style=\"display: block; margin-bottom: 5px; font-weight: 600;\">Gewicht (kg):<\/label>\n    <input type=\"number\" id=\"weight\" style=\"width: 100%; padding: 10px; margin-bottom: 15px; border-radius: 5px; border: 1px solid #ccc;\" placeholder=\"z.B. 80\"\/>\n\n    <label style=\"display: block; margin-bottom: 5px; font-weight: 600;\">Gr\u00f6\u00dfe (cm):<\/label>\n    <input type=\"number\" id=\"height\" style=\"width: 100%; padding: 10px; margin-bottom: 15px; border-radius: 5px; border: 1px solid #ccc;\" placeholder=\"z.B. 180\"\/>\n\n    <label style=\"display: block; margin-bottom: 5px; font-weight: 600;\">Halsumfang (cm):<\/label>\n    <input type=\"number\" id=\"neck\" style=\"width: 100%; padding: 10px; margin-bottom: 15px; border-radius: 5px; border: 1px solid #ccc;\" placeholder=\"z.B. 38\"\/>\n\n    <label style=\"display: block; margin-bottom: 5px; font-weight: 600;\">Taillenumfang (cm):<\/label>\n    <input type=\"number\" id=\"waist\" style=\"width: 100%; padding: 10px; margin-bottom: 15px; border-radius: 5px; border: 1px solid #ccc;\" placeholder=\"z.B. 90\"\/>\n\n    <div id=\"hip-container\" style=\"display: none;\">\n        <label style=\"display: block; margin-bottom: 5px; font-weight: 600;\">H\u00fcftumfang (cm):<\/label>\n        <input type=\"number\" id=\"hip\" style=\"width: 100%; padding: 10px; margin-bottom: 15px; border-radius: 5px; border: 1px solid #ccc;\" placeholder=\"z.B. 95\"\/>\n    <\/div>\n\n    <button onclick=\"calculateBF()\" style=\"width: 100%; padding: 12px; background-color: #0073aa; color: white; border: none; border-radius: 5px; cursor: pointer; font-size: 16px; font-weight: bold; transition: background 0.3s;\">Ergebnisse berechnen<\/button>\n\n    <div id=\"result\" style=\"margin-top: 25px; padding: 15px; border-radius: 5px; background: white; border: 1px solid #eee; display: none;\">\n        <p style=\"margin: 5px 0; color: #555;\">K\u00f6rperfettanteil:  <span id=\"bf-val\" style=\"font-weight: bold; color: #000;\"><\/span><\/p>\n        <p style=\"margin: 5px 0; color: #555;\">Fettfreie K\u00f6rpermasse (LBM):  <span id=\"lbm-val\" style=\"font-weight: bold; color: #000;\"><\/span><\/p>\n    <\/div>\n<\/div>\n\n<script>\nfunction toggleHip() {\n    const gender = document.getElementById('gender').value;\n    document.getElementById('hip-container').style.display = (gender === 'female') ? 'block' : 'none';\n}\n\nfunction calculateBF() {\n    const gender = document.getElementById('gender').value;\n    const weight = parseFloat(document.getElementById('weight').value);\n    const height = parseFloat(document.getElementById('height').value);\n    const neck = parseFloat(document.getElementById('neck').value);\n    const waist = parseFloat(document.getElementById('waist').value);\n    \n    let bf = 0;\n\n    if (!weight || !height || !neck || !waist) {\n        alert(\"Prosz\u0119 uzupe\u0142ni\u0107 wszystkie wymagane pola.\");\n        return;\n    }\n\n    if (gender === 'male') {\n        \/\/ Formu\u0142a Navy dla m\u0119\u017cczyzn (logarytm dziesi\u0119tny)\n        bf = 495 \/ (1.0324 - 0.19077 * Math.log10(waist - neck) + 0.15456 * Math.log10(height)) - 450;\n    } else {\n        const hip = parseFloat(document.getElementById('hip').value);\n        if (!hip) {\n            alert(\"Dla kobiet wymagany jest obw\u00f3d bioder.\");\n            return;\n        }\n        \/\/ Formu\u0142a Navy dla kobiet\n        bf = 495 \/ (1.29579 - 0.35004 * Math.log10(waist + hip - neck) + 0.22100 * Math.log10(height)) - 450;\n    }\n\n    \/\/ Obliczanie Lean Body Mass (LBM)\n    const fatMass = weight * (bf \/ 100);\n    const lbm = weight - fatMass;\n\n    \/\/ Wy\u015bwietlanie wynik\u00f3w\n    document.getElementById('result').style.display = 'block';\n    document.getElementById('bf-val').innerText = bf.toFixed(1) + \"%\";\n    document.getElementById('lbm-val').innerText = lbm.toFixed(2) + \" kg\";\n}\n<\/script>\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>M\u00e4nner (% KFA)<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Frauen (% KFA)<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>Ungesundes Niveau <\/strong>(essentiell f\u00fcr Organfunktionen, auf Dauer gef\u00e4hrlich)  <\/td><td class=\"has-text-align-center\" data-align=\"center\">2\u20135 %<\/td><td class=\"has-text-align-center\" data-align=\"center\">10\u201313 %<\/td><\/tr><tr><td><strong>Sehr niedriges Niveau <\/strong>(sehr gute Gene\/Sportler \u2013 f\u00fcr die Durchschnittsperson das ganze Jahr \u00fcber schwer zu halten)<\/td><td class=\"has-text-align-center\" data-align=\"center\">6\u201313 %<\/td><td class=\"has-text-align-center\" data-align=\"center\">14\u201320 %<\/td><\/tr><tr><td><strong>Gutes Ergebnis<\/strong>, das die meisten Personen halten k\u00f6nnen<\/td><td class=\"has-text-align-center\" data-align=\"center\">14\u201317 %<\/td><td class=\"has-text-align-center\" data-align=\"center\">21\u201324 %<\/td><\/tr><tr><td><strong>Hohes Niveau<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">18\u201324 %<\/td><td class=\"has-text-align-center\" data-align=\"center\">25\u201331 %<\/td><\/tr><tr><td><strong>Sehr ungesundes Niveau<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">25%+<\/td><td class=\"has-text-align-center\" data-align=\"center\">32%+<\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>K\u00f6rperfettanteil-Rechner Geschlecht: MannFrau Gewicht (kg): Gr\u00f6\u00dfe (cm): Halsumfang (cm): Taillenumfang (cm): H\u00fcftumfang (cm): Ergebnisse berechnen K\u00f6rperfettanteil: Fettfreie K\u00f6rpermasse (LBM): M\u00e4nner (% KFA) Frauen (% KFA) Ungesundes Niveau (essentiell f\u00fcr Organfunktionen, auf Dauer gef\u00e4hrlich) 2\u20135 % 10\u201313 % Sehr niedriges Niveau (sehr gute Gene\/Sportler \u2013 f\u00fcr die Durchschnittsperson das ganze Jahr \u00fcber schwer zu halten) 6\u201313 % 14\u201320 % Gutes Ergebnis, das die meisten Personen halten k\u00f6nnen 14\u201317 % 21\u201324 % Hohes Niveau 18\u201324 % 25\u201331 % Sehr ungesundes Niveau 25%+&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[58,49],"tags":[],"class_list":["post-1390","post","type-post","status-publish","format-standard","hentry","category-abnehmen","category-nicht-kategorisiert"],"_links":{"self":[{"href":"https:\/\/powerbuilding.pl\/de\/wp-json\/wp\/v2\/posts\/1390","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/powerbuilding.pl\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/powerbuilding.pl\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/powerbuilding.pl\/de\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/powerbuilding.pl\/de\/wp-json\/wp\/v2\/comments?post=1390"}],"version-history":[{"count":0,"href":"https:\/\/powerbuilding.pl\/de\/wp-json\/wp\/v2\/posts\/1390\/revisions"}],"wp:attachment":[{"href":"https:\/\/powerbuilding.pl\/de\/wp-json\/wp\/v2\/media?parent=1390"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/powerbuilding.pl\/de\/wp-json\/wp\/v2\/categories?post=1390"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/powerbuilding.pl\/de\/wp-json\/wp\/v2\/tags?post=1390"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}