{"id":64741,"date":"2025-05-29T10:55:33","date_gmt":"2025-05-29T07:55:33","guid":{"rendered":"https:\/\/wpcalc.com\/en\/?p=64741"},"modified":"2025-05-29T11:20:49","modified_gmt":"2025-05-29T08:20:49","slug":"body-surface-area-calculator","status":"publish","type":"post","link":"https:\/\/wpcalc.com\/en\/beauty\/body-surface-area-calculator\/","title":{"rendered":"Body Surface Area (BSA) 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 class=\"text-lg font-display font-bold\">BSA Estimator by Height and Weight<\/h2><\/div><div class=\"relative group inline-block\">\n  <button class=\"favorite\" id=\"favorite\" data-favorite-id=\"64741\" data-favorite-title=\"Body Surface Area\" data-favorite-url=\"https:\/\/wpcalc.com\/en\/beauty\/body-surface-area-calculator\/\" data-favorite-excerpt=\"Use this BSA Calculator to estimate your Body Surface Area \u2014 a key metric in medical dosing, nutritional needs, and fluid management. Based on your height and weight, the calculator applies standard formulas to give results in square meters (m\u00b2). Widely used in clinical practice, oncology, and critical care.\" aria-label=\"Add to Favorites\" data-favorite-icon=\"icon icon-beauty\">\n    <span class=\"icon icon-shape-star-empty\"><\/span>\n  <\/button>\n  <div class=\"absolute right-full -translate-y-1\/2 top-1\/2 mr-2 w-max max-w-xs px-3 py-2 bg-gray-800 text-white text-xs rounded shadow-lg opacity-0 group-hover:opacity-100 transition-opacity duration-200 z-10 pointer-events-none\">\n   <span class=\"favorite-tooltip\" id=\"favorite-tooltip\"><\/span>\n  <\/div>\n<\/div><\/div><form action=\"https:\/\/wpcalc.com\/en\/beauty\/body-surface-area-calculator\/\" method=\"POST\" class=\"calculator\" id=\"calculator-64741\" data-post=\"64741\"><fieldset class=\"fieldset-input\"><legend class=\"sr-only\">Input Fields<\/legend><div class=\"field has-term\" id=\"input-1\"><label for=\"field-1\">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=\"number\" name=\"height\" id=\"field-1\" min=\"50\" max=\"250\" step=\"any\" value=\"170\"\/><div class=\"unit\">cm<\/div><small>Enter your height in centimeters<\/small><\/div><div class=\"field has-term\" id=\"input-2\"><label for=\"field-2\">Weight<\/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=\"number\" name=\"weight\" id=\"field-2\" min=\"10\" max=\"300\" step=\"any\" value=\"65\"\/><div class=\"unit\">kg<\/div><small>Enter your weight in kilograms<\/small><\/div><\/fieldset><div class=\"buttons\"><button type=\"submit\" data-text=\"Re-Calculate\" id=\"calculate-button\" data-post=\"64741\">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 Surface Area<\/span><\/span><span class=\"field-value\" id=\"result-1\" data-unit=\"m\u00b2\"><\/span><button class=\"copy-result\" data-tooltip=\"Copy Result\"><span class=\"copy-icon icon icon-document-copy\"><\/span><\/button><\/div><\/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=\"64741\" aria-live=\"polite\"><h2 class=\"text-sm text-gray-500 text-center mb-2\">How did this result make you feel?<\/h2><div class=\"grid grid-cols-3 sm:flex sm:flex-row sm:justify-around gap-4 sm:items-center sm:flex-wrap\"><button 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\">\ud83d\ude00 <\/span><span class=\"reaction-description font-medium\">Like <\/span><\/button><button 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\">\ud83d\udca1 <\/span><span class=\"reaction-description font-medium\">Helpful <\/span><\/button><button 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\">\ud83d\ude15 <\/span><span class=\"reaction-description font-medium\">Confused <\/span><\/button><button 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\">0<\/span><span class=\"reaction text-3xl\">\ud83d\ude1e <\/span><span class=\"reaction-description font-medium\">Disappointed <\/span><\/button><button 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\">0<\/span><span class=\"reaction text-3xl\">\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><ins class=\"adsbygoogle\"\n     style=\"display:block; text-align:center; margin: 32px 0;\"\n     data-ad-layout=\"in-article\"\n     data-ad-format=\"fluid\"\n     data-ad-client=\"ca-pub-1721569815777345\"\n     data-ad-slot=\"6317458308\"><\/ins>\n<script>\n     (adsbygoogle = window.adsbygoogle || []).push({});\n<\/script>\n<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>Mosteller Formula for BSA<\/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$$\\text{BSA} = \\sqrt{ \\frac{\\text{Height (cm)} \\times \\text{Weight (kg)}}{3600} }$$\n<\/div>\r\n\t<\/figure>\r\n\t<br \/>\nOther commonly used formulas include Du Bois and Haycock formulas.<br \/>\r\n<\/section>\n<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>Body Surface Area \u2013 Calculation Example<\/h2><\/div>\r\n\r\n<\/p>\n<h3>Example:<\/h3>\n<ul>\n<li>Height = 170 cm    <\/li>\n<li>Weight = 65 kg<\/li>\n<\/ul>\n<ol>\n<li>$$\\text{BSA} = \\sqrt{ \\frac{170 \\times 65}{3600} } = \\sqrt{3.069} \\approx 1.75 \\, \\text{m}^2$$<\/li>\n<\/ol>\n<p>So, <strong>BSA \u2248 1.75 m\u00b2<\/strong><\/p>\n<p>\n\r\n<\/section>\n<p>Body Surface Area (BSA) is a calculated value that represents the total surface area of the human body. It is a better indicator than weight alone for medical applications such as:<\/p>\n<ul>\n<li><strong>Chemotherapy dosage<\/strong><\/li>\n<li><strong>Pediatric drug dosing<\/strong><\/li>\n<li><strong>Renal function adjustment<\/strong><\/li>\n<li><strong>Fluid replacement in burns<\/strong><\/li>\n<\/ul>\n<p>Most accurate BSA estimates come from using <strong>height (cm)<\/strong> and <strong>weight (kg)<\/strong> in the formula. While various formulas exist (Du Bois, Haycock, Gehan and George), the Mosteller formula is commonly used due to its simplicity and clinical reliability.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Use this BSA Calculator to estimate your Body Surface Area \u2014 a key metric in medical dosing, nutritional needs, and fluid management. Based on your height and weight, the calculator applies standard formulas to give results in square meters (m\u00b2). Widely used in clinical practice, oncology, and critical care.<\/p>\n","protected":false},"author":3168,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[2],"tags":[38],"class_list":["post-64741","post","type-post","status-publish","format-standard","hentry","category-beauty","tag-fitness"],"acf":[],"_links":{"self":[{"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/posts\/64741","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\/3168"}],"replies":[{"embeddable":true,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/comments?post=64741"}],"version-history":[{"count":4,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/posts\/64741\/revisions"}],"predecessor-version":[{"id":64745,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/posts\/64741\/revisions\/64745"}],"wp:attachment":[{"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/media?parent=64741"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/categories?post=64741"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/tags?post=64741"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}