{"id":72,"date":"2026-11-04T18:17:38","date_gmt":"2026-11-04T18:17:38","guid":{"rendered":"https:\/\/bmi.emosnull.com\/?page_id=72"},"modified":"2026-11-04T18:17:38","modified_gmt":"2026-11-04T18:17:38","slug":"body-fat-estimate","status":"publish","type":"page","link":"https:\/\/bmi.emosnull.com\/?page_id=72","title":{"rendered":"Body-fat estimate"},"content":{"rendered":"<div class=\"ht-shell\" lang=\"en\" dir=\"ltr\" data-ht-tool=\"fat\"><div class=\"ht-language\"><label for=\"ht-language\">\ud83c\udf10 Language<\/label><select id=\"ht-language\"><option value=\"en\"  selected='selected'>English<\/option><option value=\"es\" >Espa\u00f1ol<\/option><option value=\"pt\" >Portugu\u00eas<\/option><option value=\"fr\" >Fran\u00e7ais<\/option><option value=\"de\" >Deutsch<\/option><option value=\"ko\" >\ud55c\uad6d\uc5b4<\/option><option value=\"ja\" >\u65e5\u672c\u8a9e<\/option><option value=\"ar\" >\u0627\u0644\u0639\u0631\u0628\u064a\u0629<\/option><option value=\"pl\" >Polski<\/option><option value=\"ro\" >Rom\u00e2n\u0103<\/option><option value=\"hi\" >\u0939\u093f\u0928\u094d\u0926\u0940<\/option><option value=\"bn\" >\u09ac\u09be\u0982\u09b2\u09be<\/option><option value=\"zh-Hans\" >\u7b80\u4f53\u4e2d\u6587<\/option><option value=\"zh-Hant-HK\" >\u7e41\u9ad4\u4e2d\u6587<\/option><\/select><\/div><h2>Body-fat estimate<\/h2><p class=\"ht-lead\">Approximate body-fat percentage using Relative Fat Mass (RFM).<\/p><form class=\"ht-form\"><div class=\"ht-grid\"><div class=\"ht-field\"><label for=\"ht-age\">Age (years)<\/label><input type=\"number\" inputmode=\"decimal\" id=\"ht-age\" name=\"age\" min=\"20\" max=\"120\" step=\"1\" required><\/div><div class=\"ht-field\"><label for=\"ht-heightCm\">Height (cm)<\/label><input type=\"number\" inputmode=\"decimal\" id=\"ht-heightCm\" name=\"heightCm\" min=\"80\" max=\"250\" step=\"0.01\" required><\/div><div class=\"ht-field\"><label for=\"ht-waistCm\">Waist circumference (cm)<\/label><input type=\"number\" inputmode=\"decimal\" id=\"ht-waistCm\" name=\"waistCm\" min=\"30\" max=\"250\" step=\"0.01\" required><\/div><div class=\"ht-field\"><label for=\"ht-sex\">Equation \/ reference group<\/label><select name=\"sex\" id=\"ht-sex\" required><option value=\"\">Choose an option<\/option><option value=\"male\">Male reference<\/option><option value=\"female\">Female reference<\/option><\/select><\/div><\/div><aside class=\"ht-help\"><strong>How to measure<\/strong><p>For RFM, measure around the abdomen just above the top of the hip bone (NHANES method), after a natural breath out. Keep the tape horizontal without compressing skin. This differs from the waist-to-height midpoint method.<\/p><\/aside><p class=\"ht-small\">Published equations and reference values use male\/female groups. They may not fit everyone, including people receiving hormone therapy; seek individual advice if unsure.<\/p><label class=\"ht-check\"><input type=\"checkbox\" name=\"suitabilityConfirmed\" required><span>I am 20 or older, not pregnant or breastfeeding, and have no eating disorder or medical restriction that affects this estimate.<\/span><\/label><button type=\"submit\">Calculate<\/button><\/form><p class=\"ht-error\" role=\"alert\" hidden><\/p><section class=\"ht-result\" aria-live=\"polite\" tabindex=\"-1\" hidden><\/section><p class=\"ht-notice\">Educational information for adults, not a diagnosis, treatment plan or personal intake prescription. Individual needs vary.<\/p><a class=\"ht-back\" href=\"https:\/\/bmi.emosnull.com\/?page_id=57&#038;tool_lang=en\">All health tools<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":0,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-72","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Body Fat Calculator: RFM Estimate | HealthTool<\/title>\n<meta name=\"description\" content=\"Estimate body fat percentage with the Relative Fat Mass equation using height and waist measurements. 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