{"id":57245,"date":"2015-12-28T17:15:23","date_gmt":"2015-05-12T06:15:45","guid":{"rendered":"http:\/\/wpcalc.com\/?p=57245"},"modified":"2026-09-27T16:49:55","modified_gmt":"2026-09-27T13:49:55","slug":"circumference-bodyfat","status":"publish","type":"post","link":"https:\/\/wpcalc.com\/en\/beauty\/circumference-bodyfat\/","title":{"rendered":"Circumference Bodyfat Calculator"},"content":{"rendered":"<section class=\"not-prose calculator-box\" aria-labelledby=\"calculator-title\"><div class=\"flex items-baseline sm:items-center justify-between gap-2 sm:gap-3\"><div class=\"flex flex-col sm:flex-row sm:items-center gap-2\"><span class=\"icon icon-calculator text-primary-700! text-base! dark:text-primary-300!\" aria-hidden=\"true\"><\/span><h2 id=\"calculator-title\" class=\"text-lg font-display font-bold\">Body Fat Calculator Using Circumference Method<\/h2><\/div><div class=\"calcdash-favorite group\">\n  <button type=\"button\" class=\"favorite\" id=\"favorite\" data-favorite-id=\"57245\" data-favorite-title=\"Circumference Bodyfat\" data-favorite-url=\"https:\/\/wpcalc.com\/en\/beauty\/circumference-bodyfat\/\" data-favorite-excerpt=\"Estimate body fat percentage from your height, neck and waist measurements, plus hip circumference for women, using the U.S. Navy method.\" aria-label=\"Add to Favorites\" data-favorite-icon=\"icon icon-appearance\">\n    <span class=\"icon icon-shape-star-empty\" aria-hidden=\"true\"><\/span>\n  <\/button>\n  <div class=\"calcdash-favorite__tip\" aria-hidden=\"true\">\n   <span class=\"favorite-tooltip\" id=\"favorite-tooltip\"><\/span>\n  <\/div>\n  <span class=\"sr-only\" role=\"status\" id=\"favorite-status\"><\/span>\n<\/div><\/div><form action=\"https:\/\/wpcalc.com\/en\/beauty\/circumference-bodyfat\/\" method=\"POST\" class=\"calculator\" id=\"calculator-57245\" data-post=\"57245\"><fieldset class=\"fieldset-input\"><legend class=\"sr-only\">Input Fields<\/legend><div class=\"field\" id=\"input-1\"><label for=\"field-1\">Unit system<\/label><div class=\"grid grid-cols-1\"><select id=\"field-1\" name=\"unit_system\"><option value=\"metric\">Metric<\/option><option value=\"english\">English<\/option><\/select><svg class=\"pointer-events-none col-start-1 row-start-1 mr-2 size-5 self-center justify-self-end text-gray-500 sm:size-4\" viewBox=\"0 0 16 16\" fill=\"currentColor\" aria-hidden=\"true\" data-slot=\"icon\">\n              <path fill-rule=\"evenodd\" d=\"M4.22 6.22a.75.75 0 0 1 1.06 0L8 8.94l2.72-2.72a.75.75 0 1 1 1.06 1.06l-3.25 3.25a.75.75 0 0 1-1.06 0L4.22 7.28a.75.75 0 0 1 0-1.06Z\" clip-rule=\"evenodd\" \/>\n            <\/svg><\/div><\/div><div class=\"field\" id=\"input-2\"><label for=\"field-2\">Gender<\/label><div class=\"grid grid-cols-1\"><select id=\"field-2\" name=\"gender\"><option value=\"male\">Men<\/option><option value=\"female\">Women<\/option><\/select><svg class=\"pointer-events-none col-start-1 row-start-1 mr-2 size-5 self-center justify-self-end text-gray-500 sm:size-4\" viewBox=\"0 0 16 16\" fill=\"currentColor\" aria-hidden=\"true\" data-slot=\"icon\">\n              <path fill-rule=\"evenodd\" d=\"M4.22 6.22a.75.75 0 0 1 1.06 0L8 8.94l2.72-2.72a.75.75 0 1 1 1.06 1.06l-3.25 3.25a.75.75 0 0 1-1.06 0L4.22 7.28a.75.75 0 0 1 0-1.06Z\" clip-rule=\"evenodd\" \/>\n            <\/svg><\/div><\/div><div class=\"field has-term\" id=\"input-3\"><label for=\"field-3\">Age<\/label><div class=\"term\">A<\/div>  <div class=\"absolute bottom-0 left-16 top-8 w-2 h-0.5 bg-blue-500\"><\/div><input type=\"text\" name=\"age\" id=\"field-3\" aria-describedby=\"calc-unit-3\" data-number inputmode=\"decimal\" autocomplete=\"off\" spellcheck=\"false\" min=\"10\" value=\"30\"\/><div class=\"unit\" id=\"calc-unit-3\">years<\/div><\/div><div class=\"field has-term\" id=\"input-4\"><label for=\"field-4\">Height<\/label><div class=\"term\">H<\/div>  <div class=\"absolute bottom-0 left-16 top-8 w-2 h-0.5 bg-blue-500\"><\/div><input type=\"text\" name=\"height\" id=\"field-4\" aria-describedby=\"calc-unit-4\" data-number inputmode=\"decimal\" autocomplete=\"off\" spellcheck=\"false\" min=\"0\" value=\"170\"\/><div class=\"unit\" id=\"calc-unit-4\">cm<\/div><\/div><div class=\"field has-term\" id=\"input-5\"><label for=\"field-5\">Neck circumference<\/label><div class=\"term\">N<\/div>  <div class=\"absolute bottom-0 left-16 top-8 w-2 h-0.5 bg-blue-500\"><\/div><input type=\"text\" name=\"neck_circumference\" id=\"field-5\" aria-describedby=\"calc-unit-5\" data-number inputmode=\"decimal\" autocomplete=\"off\" spellcheck=\"false\" min=\"0\" value=\"38\"\/><div class=\"unit\" id=\"calc-unit-5\">cm<\/div><\/div><div class=\"field has-term\" id=\"input-6\"><label for=\"field-6\">Waist circumference<\/label><div class=\"term\">W<\/div>  <div class=\"absolute bottom-0 left-16 top-8 w-2 h-0.5 bg-blue-500\"><\/div><input type=\"text\" name=\"waist_circumference\" id=\"field-6\" aria-describedby=\"calc-unit-6\" data-number inputmode=\"decimal\" autocomplete=\"off\" spellcheck=\"false\" min=\"0\" value=\"90\"\/><div class=\"unit\" id=\"calc-unit-6\">cm<\/div><\/div><div class=\"field has-term\" id=\"input-7\" hidden><label for=\"field-7\">Hip circumference<\/label><div class=\"term\">Hp<\/div>  <div class=\"absolute bottom-0 left-16 top-8 w-2 h-0.5 bg-blue-500\"><\/div><input type=\"text\" name=\"hip_circumference\" id=\"field-7\" aria-describedby=\"calc-unit-7\" data-number inputmode=\"decimal\" autocomplete=\"off\" spellcheck=\"false\" min=\"0\" value=\"100\"\/><div class=\"unit\" id=\"calc-unit-7\">cm<\/div><\/div><\/fieldset><div class=\"buttons\"><button type=\"submit\" data-text=\"Re-Calculate\" id=\"calculate-button\" data-post=\"57245\">Calculate<\/button><button type=\"reset\">Reset<\/button><\/div><div class=\"field is-checkbox hidden!\" id=\"field-auto-calc\"><input type=\"checkbox\" id=\"auto-calc\"><label for=\"auto-calc\">Calculate automatically<\/label><small>If enabled, the result will update automatically when you change any value.<\/small><\/div><div class=\"fieldset-result is-hidden\" aria-labelledby=\"result-title\" aria-live=\"polite\" role=\"region\"> <h3 class=\"result-title bg-gradient-to-r from-primary-50 to-gray-50 dark:from-primary-900 dark:to-gray-800\" id=\"result-title\"><span class=\"icon icon-s-pulse\" aria-hidden=\"true\"><\/span> Your Results<\/h3><div class=\"result-box\"><div class=\"field-result\" id=\"output-1\"><span class=\"field-title\"><span>Body fat<\/span><span class=\"result-term\">BF<\/span><\/span><span class=\"field-value\" id=\"result-1\" data-unit=\"%\"><\/span><button type=\"button\" class=\"copy-result\" data-tooltip=\"Copy Result\" aria-label=\"Copy Result\"><span class=\"copy-icon icon icon-document-copy\" aria-hidden=\"true\"><\/span><\/button><\/div><div class=\"field-result is-column\" id=\"output-2\"><span class=\"field-title\"><span>Interpretation<\/span><\/span><span class=\"field-value\" id=\"result-2\"><\/span><button type=\"button\" class=\"copy-result\" data-tooltip=\"Copy Result\" aria-label=\"Copy Result\"><span class=\"copy-icon icon icon-document-copy\" aria-hidden=\"true\"><\/span><\/button><\/div><\/div><div class=\"result-actions\"><button type=\"button\" class=\"copy-link\"><svg viewBox=\"0 0 20 20\" fill=\"currentColor\" aria-hidden=\"true\"><path d=\"M12.232 4.232a2.5 2.5 0 0 1 3.536 3.536l-1.225 1.224a.75.75 0 0 0 1.061 1.06l1.224-1.224a4 4 0 0 0-5.656-5.656l-3 3a4 4 0 0 0 .225 5.865.75.75 0 0 0 .977-1.138 2.5 2.5 0 0 1-.142-3.667l3-3Z\"\/><path d=\"M11.603 7.963a.75.75 0 0 0-.977 1.138 2.5 2.5 0 0 1 .142 3.667l-3 3a2.5 2.5 0 0 1-3.536-3.536l1.225-1.224a.75.75 0 0 0-1.061-1.06l-1.224 1.224a4 4 0 1 0 5.656 5.656l3-3a4 4 0 0 0-.225-5.865Z\"\/><\/svg><span class=\"copy-link__text\">Copy link to this calculation<\/span><\/button><span class=\"sr-only\" role=\"status\" id=\"copy-link-status\"><\/span><\/div><\/div><a href=\"#respond\" class=\"hidden transition-opacity duration-300 opacity-0 w-50 text-sm justify-center items-center gap-2 px-4 py-2 rounded bg-gray-200 text-gray-700 hover:bg-gray-300\" id=\"leave-comment\"><span class=\"icon icon-comments\" aria-hidden=\"true\"><\/span>Leave a Comment<\/a><\/form><\/section><section id=\"calc-reactions\" class=\"not-prose hidden my-12 bg-gradient-to-r from-primary-50 to-gray-50 border border-indigo-100 rounded-xl px-6 py-4 shadow-sm\" data-post=\"57245\" aria-live=\"polite\" aria-labelledby=\"calc-reactions-title\"><p id=\"calc-reactions-title\" class=\"text-sm text-gray-500 text-center mb-2\">How did this result make you feel?<\/p><div role=\"group\" aria-labelledby=\"calc-reactions-title\" class=\"grid grid-cols-3 sm:flex sm:flex-row sm:justify-around gap-4 sm:items-center sm:flex-wrap\"><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"like\"><span class=\"reaction-count\" data-reaction-count=\"like\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\ud83d\ude00 <\/span><span class=\"reaction-description font-medium\">Like <\/span><\/button><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"helpful\"><span class=\"reaction-count\" data-reaction-count=\"helpful\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\ud83d\udca1 <\/span><span class=\"reaction-description font-medium\">Helpful <\/span><\/button><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"confused\"><span class=\"reaction-count\" data-reaction-count=\"confused\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\ud83d\ude15 <\/span><span class=\"reaction-description font-medium\">Confused <\/span><\/button><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"disappointed\"><span class=\"reaction-count\" data-reaction-count=\"disappointed\">1<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\ud83d\ude1e <\/span><span class=\"reaction-description font-medium\">Disappointed <\/span><\/button><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"inaccurate\"><span class=\"reaction-count\" data-reaction-count=\"inaccurate\">1<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\u274c <\/span><span class=\"reaction-description font-medium\">Inaccurate <\/span><\/button><\/div><div id=\"reaction-message\" class=\"hidden mt-8 rounded-md border border-primary-100 bg-white\/50 backdrop-blur-sm px-4 py-2 text-sm text-center shadow-sm\"><\/div><\/section><div class=\"calcdash-ad not-prose calcdash-ad--calc_result calcdash-ad--in-article\"><ins class=\"adsbygoogle\" style=\"display:block\" data-ad-client=\"ca-pub-1721569815777345\" data-ad-slot=\"6317458308\" data-ad-layout=\"in-article\" data-ad-format=\"fluid\"><\/ins><script>(adsbygoogle = window.adsbygoogle || []).push({});<\/script><\/div>\n<style id=\"wpcoderpro-inline-1\">.formula-box {\r\n\tborder-bottom: none !important;\r\n}<\/style><section class=\"formula-box\" aria-labelledby=\"formula-title\">\r\n\t<div id=\"formula-title\" class=\"not-prose font-display mb-4\"><span class=\"icon icon-formula\" aria-hidden=\"true\"><\/span><h2>Circumference Body Fat Formula<\/h2><\/div>\r\n\t<figure class=\"not-prose formula\">\r\n\t\t<figcaption class=\"formula-title\">Formula<\/figcaption>\r\n\t\t<div class=\"text-base text-gray-800\" id=\"formula\">\n\\[\\text{Men: } BF=\\frac{495}{1.0324-0.19077\\log_{10}(W-N)+0.15456\\log_{10}(H)}-450\\]\n\\[\\text{Women: } BF=\\frac{495}{1.29579-0.35004\\log_{10}(W+P-N)+0.22100\\log_{10}(H)}-450\\]\n<\/div>\r\n\t<\/figure>\r\n\t<\/p>\n<p><strong>Where:<\/strong><\/p>\n<ul>\n<li>\\(BF\\) \u2014 estimated body fat percentage.<\/li>\n<li>\\(W\\) \u2014 waist circumference in inches.<\/li>\n<li>\\(N\\) \u2014 neck circumference in inches.<\/li>\n<li>\\(P\\) \u2014 hip circumference in inches, used for women only.<\/li>\n<li>\\(H\\) \u2014 height in inches.<\/li>\n<\/ul>\n<p>These U.S. Navy equations estimate body fat from the relationship between body circumferences and height. When you select Metric, the calculator converts each measurement from centimeters to inches before applying the formula.<\/p>\n<p>\r\n<\/section>\n<style id=\"wpcoderpro-inline-459\">.calculation-box {\r\n\tborder-bottom: none !important;\r\n}<\/style><section id=\"calculation\" class=\"calculation-box\" aria-labelledby=\"calculation-title\">\r\n\t<div id=\"calculation-title\" class=\"not-prose font-display\"><span class=\"icon icon-unordered-list\" aria-hidden=\"true\"><\/span><h2>Circumference Body Fat \u2013 Calculation Example<\/h2><\/div>\r\n\r\n<\/p>\n<p><strong>Example:<\/strong> A man is 170 cm tall, with a 38 cm neck and a 90 cm waist. The calculator converts the measurements to inches.<\/p>\n<p>\\[H=170(0.393701)=66.92917\\text{ in},\\quad N=38(0.393701)=14.960638\\text{ in},\\quad W=90(0.393701)=35.43309\\text{ in}\\]<\/p>\n<p>\\[BF=\\frac{495}{1.0324-0.19077\\log_{10}(35.43309-14.960638)+0.15456\\log_{10}(66.92917)}-450\\approx15.04\\%\\]<\/p>\n<p><strong>Result:<\/strong> Estimated body fat is <strong>15.04%<\/strong>. The calculator labels this result <strong>Fit<\/strong>.<\/p>\n<p>\n\r\n<\/section>\n<h2>How to use the calculator<\/h2>\n<ol>\n<li>Choose <strong>Unit system<\/strong>: Metric for centimeters or English for inches. Use the selected unit for every length you enter.<\/li>\n<li>Choose <strong>Gender<\/strong>: Men or Women. This selects which of the two circumference equations the calculator uses.<\/li>\n<li>Enter your <strong>Age<\/strong> in years. Age is a field on the calculator, but it does not change this body fat calculation.<\/li>\n<li>Enter your <strong>Height<\/strong> and <strong>Neck circumference<\/strong>.<\/li>\n<li>Enter your <strong>Waist circumference<\/strong>. If you selected Women, also enter <strong>Hip circumference<\/strong>; this field is hidden for Men.<\/li>\n<li>Read the estimated <strong>Body fat<\/strong> percentage and its <strong>Interpretation<\/strong> label.<\/li>\n<\/ol>\n<h2>What a circumference body fat estimate means<\/h2>\n<p>Body fat percentage is the estimated share of your total body weight made up of fat. The U.S. Navy circumference method approximates it with a measuring tape rather than directly measuring body composition. For men, it uses height, waist and neck; for women, it also uses hips. The result is an estimate, not a measurement of fat mass or lean body mass.<\/p>\n<p>The calculator\u2019s interpretation labels use these body fat ranges for <strong>both<\/strong> gender selections: below 6% is Essential fat; 6% to under 14% is Athletic; 14% to under 20% is Fit; 20% to under 25% is Acceptable; and 25% or higher is Obese. These are the calculator\u2019s fixed labels, not sex-specific clinical classifications. In particular, the \u201cObese\u201d label should not be treated as a diagnosis.<\/p>\n<p>Circumference estimates are often more useful for following a trend than for judging a single reading. If your measurements are taken consistently, a change over several weeks may help you assess progress. For another perspective on waist size, try the <a href=\"https:\/\/wpcalc.com\/en\/beauty\/waist-to-height-ratio\/\">Waist to Height Ratio calculator<\/a>. The <a href=\"https:\/\/wpcalc.com\/en\/beauty\/3-point-skin-fold-bodyfat\/\">3-Point Body Fat calculator<\/a> uses skinfold measurements instead of circumferences, so its estimate may differ.<\/p>\n<h2>Measurement tips and limitations<\/h2>\n<p>Use a flexible tape held level and snug against the skin without compressing it. Stand upright, breathe normally and measure at the same anatomical points each time. For a consistent approach, measure the neck just below the larynx, the waist around the navel for men, and the natural waist and widest part of the hips for women. Take a second reading if the tape slips or the result seems unusual.<\/p>\n<p>Enter positive measurements: height must be greater than zero, and the formula requires the waist to exceed the neck for men, or the waist plus hips to exceed the neck for women. The calculator does not check whether a plausible-looking result is medically meaningful. Age does not appear in either equation, even though the form asks for it; this adult-oriented method should not be used to assess a child\u2019s body fat.<\/p>\n<p>Body shape, measurement technique and changes in hydration can all affect the estimate. Use the same unit system and measuring method when comparing readings, and avoid treating a small change as definitive. If you want a separate weight-based measure, the <a href=\"https:\/\/wpcalc.com\/en\/beauty\/body-mass-index\/\">Body Mass Index calculator<\/a> provides BMI, which does not directly measure body fat.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Estimate body fat percentage from your height, neck and waist measurements, plus hip circumference for women, using the U.S. Navy method.<\/p>\n","protected":false},"author":70,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[2],"tags":[12],"class_list":["post-57245","post","type-post","status-publish","format-standard","hentry","category-beauty","tag-appearance"],"acf":[],"_links":{"self":[{"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/posts\/57245","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/users\/70"}],"replies":[{"embeddable":true,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/comments?post=57245"}],"version-history":[{"count":3,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/posts\/57245\/revisions"}],"predecessor-version":[{"id":65205,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/posts\/57245\/revisions\/65205"}],"wp:attachment":[{"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/media?parent=57245"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/categories?post=57245"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/tags?post=57245"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}