{"id":532,"date":"2026-06-26T19:43:44","date_gmt":"2026-06-26T19:43:44","guid":{"rendered":"https:\/\/adnanthemes.com\/fitnfo\/lean-body-mass-calculator\/"},"modified":"2026-07-01T11:29:20","modified_gmt":"2026-07-01T11:29:20","slug":"lean-body-mass-calculator","status":"publish","type":"page","link":"https:\/\/adnanthemes.com\/fitnfo\/lean-body-mass-calculator\/","title":{"rendered":"Lean Body Mass Calculator"},"content":{"rendered":"<h1>Lean Body Mass Calculator<\/h1>\n<p>Estimate lean body mass to understand body composition and fitness progress.<\/p>\n<h2>Try the Lean Body Mass Calculator<\/h2>\n        <div class=\"fitnfo-calc\" id=\"fitnfo-calc-14\" data-slug=\"lean-body-mass-calculator\" data-nonce=\"6a23f322ea\" data-ajax=\"https:\/\/adnanthemes.com\/fitnfo\/wp-admin\/admin-ajax.php\">\n            <div class=\"fitnfo-calc__head\"><h3 class=\"fitnfo-calc__title\">Lean Body Mass Calculator<\/h3><p class=\"fitnfo-calc__sub\">Enter your values and calculate instantly.<\/p><\/div>\n            <div class=\"fitnfo-calc__body\">\n                <div class=\"fitnfo-calc__field fitnfo-calc__field--unit\"><label class=\"fitnfo-calc__lbl\"><span class=\"fitnfo-calc__lbltxt\" data-metric=\"Weight (kg)\" data-imperial=\"Weight (lb)\">Weight (kg)<\/span><span class=\"fitnfo-unit-toggle\" data-unit=\"weight\"><button type=\"button\" class=\"fitnfo-unit-btn is-active\" data-u=\"metric\">kg<\/button><button type=\"button\" class=\"fitnfo-unit-btn\" data-u=\"imperial\">lb<\/button><\/span><\/label><input type=\"number\" inputmode=\"decimal\" class=\"fitnfo-calc__in fitnfo-calc__in--weight\" data-k=\"weight\" data-metric-val=\"70\" data-imperial-val=\"154\" value=\"70\" min=\"1\" step=\"0.1\"><\/div>\n                <div class=\"fitnfo-calc__field fitnfo-calc__field--unit\"><label class=\"fitnfo-calc__lbl\"><span class=\"fitnfo-calc__lbltxt\" data-metric=\"Height (cm)\" data-imperial=\"Height (ft \/ in)\">Height (cm)<\/span><span class=\"fitnfo-unit-toggle\" data-unit=\"height\"><button type=\"button\" class=\"fitnfo-unit-btn is-active\" data-u=\"metric\">cm<\/button><button type=\"button\" class=\"fitnfo-unit-btn\" data-u=\"imperial\">ft\/in<\/button><\/span><\/label><input type=\"number\" inputmode=\"decimal\" class=\"fitnfo-calc__in fitnfo-calc__in--height-cm\" data-k=\"height\" value=\"175\" min=\"1\" step=\"0.1\"><div class=\"fitnfo-calc__ftin\" hidden><input type=\"number\" inputmode=\"numeric\" class=\"fitnfo-calc__ftin-ft\" placeholder=\"ft\" value=\"5\" min=\"0\" step=\"1\" aria-label=\"Feet\"><span class=\"fitnfo-calc__ftin-sep\">ft<\/span><input type=\"number\" inputmode=\"numeric\" class=\"fitnfo-calc__ftin-in\" placeholder=\"in\" value=\"9\" min=\"0\" max=\"11\" step=\"1\" aria-label=\"Inches\"><span class=\"fitnfo-calc__ftin-sep\">in<\/span><\/div><\/div>\n                <div class=\"fitnfo-calc__field\"><label>Age<\/label><input type=\"number\" inputmode=\"numeric\" class=\"fitnfo-calc__in\" data-k=\"age\" value=\"30\" min=\"1\" step=\"1\"><\/div>\n                <div class=\"fitnfo-calc__field\"><label>Gender<\/label><select class=\"fitnfo-calc__in\" data-k=\"gender\"><option value=\"male\">Male<\/option><option value=\"female\">Female<\/option><\/select><\/div>\n                <div class=\"fitnfo-calc__field\"><label>Activity<\/label><select class=\"fitnfo-calc__in\" data-k=\"activity\"><option value=\"sedentary\">Sedentary<\/option><option value=\"light\">Light<\/option><option value=\"moderate\" selected>Moderate<\/option><option value=\"active\">Active<\/option><option value=\"athlete\">Athlete<\/option><\/select><\/div>\n            <\/div>\n            <button type=\"button\" class=\"fitnfo-calc__btn\">Calculate<\/button>\n            <div class=\"fitnfo-calc__result\" aria-live=\"polite\" hidden><div class=\"fitnfo-calc__value\"><span class=\"fitnfo-calc__num\"><\/span> <span class=\"fitnfo-calc__unit\"><\/span><\/div><p class=\"fitnfo-calc__note\"><\/p><\/div>\n        <\/div>\n        \n<h2>About this calculator<\/h2>\n<p>This FitNFO calculator helps visitors estimate useful fitness numbers on WordPress fitness websites.<\/p>\n<h2>FAQ<\/h2>\n<h3>Is it medical advice?<\/h3>\n<p>No. It is for educational fitness estimates only.<\/p>\n<h3>Can I use it on WordPress?<\/h3>\n<p>Yes, FitNFO provides calculator shortcodes for WordPress.<\/p>\n<p><a href=\"https:\/\/adnanthemes.com\/fitnfo\/fitness-calculators\/\">Calculator Hub<\/a> | <a href=\"https:\/\/adnanthemes.com\/fitnfo\/demo-hub\/\">Demo Hub<\/a> | <a href=\"https:\/\/adnanthemes.com\/fitnfo\/pricing\/\">Pricing<\/a><\/p>\n<div class=\"fitnfo-submission-safety-note\"><strong>Important:<\/strong> FitNFO calculators, reports, workout ideas, nutrition suggestions, and AI-assisted analysis are informational tools only. They are not medical advice. Always consult a qualified healthcare professional, registered dietitian, or certified trainer before making health, diet, exercise, or medical decisions.<\/div>\n<p>n<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Lean Body Mass Calculator Estimate lean body mass to understand body composition and fitness progress. Try the Lean Body Mass Calculator About this calculator This FitNFO calculator helps visitors estimate useful fitness numbers on WordPress fitness websites. FAQ Is it medical advice? No. It is for educational fitness estimates only. Can I use it on [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-532","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/adnanthemes.com\/fitnfo\/wp-json\/wp\/v2\/pages\/532","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/adnanthemes.com\/fitnfo\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/adnanthemes.com\/fitnfo\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/adnanthemes.com\/fitnfo\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/adnanthemes.com\/fitnfo\/wp-json\/wp\/v2\/comments?post=532"}],"version-history":[{"count":2,"href":"https:\/\/adnanthemes.com\/fitnfo\/wp-json\/wp\/v2\/pages\/532\/revisions"}],"predecessor-version":[{"id":798,"href":"https:\/\/adnanthemes.com\/fitnfo\/wp-json\/wp\/v2\/pages\/532\/revisions\/798"}],"wp:attachment":[{"href":"https:\/\/adnanthemes.com\/fitnfo\/wp-json\/wp\/v2\/media?parent=532"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}