{"id":231,"date":"2026-08-21T17:51:41","date_gmt":"2026-08-21T17:51:41","guid":{"rendered":"https:\/\/netguide.io\/tools\/bmi-calculator\/"},"modified":"2026-08-21T17:51:41","modified_gmt":"2026-08-21T17:51:41","slug":"bmi-calculator","status":"publish","type":"post","link":"https:\/\/netguide.io\/tools\/en\/bmi-calculator\/","title":{"rendered":"BMI Calculator"},"content":{"rendered":"<div id=\"netgu-2236702793\" class=\"netgu-before-content netgu-entity-placement\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6258556257245998\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-6258556257245998\" \ndata-ad-slot=\"3494115342\" \ndata-ad-format=\"auto\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div>\n<style>\n.wp-bmi-container { max-width:100%; background:#fff; padding:20px; border:1px solid #ddd; border-radius:10px; font-family:-apple-system, sans-serif; color:#333; }\n.wp-bmi-title { margin:0 0 15px 0; color:#2271b1; font-size:1.4rem; }\n.wp-bmi-grid { display:grid; grid-template-columns:repeat(auto-fit, minmax(140px, 1fr)); gap:12px; margin-bottom:10px; }\n.wp-bmi-input-group label { display:block; font-size:11px; font-weight:bold; margin-bottom:4px; text-transform:uppercase; color:#666; }\n.wp-bmi-input-group input, .wp-bmi-input-group select { width:100%; padding:8px; border:1px solid #ccc; border-radius:4px; box-sizing:border-box; }\n.wp-bmi-checkbox-group { margin:15px 0; font-size:12px; display:flex; align-items:center; gap:8px; color:#666; }\n.wp-bmi-note { font-size:12px; color:#666; margin-top:12px; min-height:1em; }\n.wp-bmi-warn { color:#d63638; font-weight:bold; }\n.wp-bmi-results { margin-top:20px; border-top:2px solid #eee; padding-top:15px; }\n.wp-bmi-res-item { display:flex; justify-content:space-between; margin-bottom:6px; font-size:14px; gap:10px; }\n.wp-bmi-total { font-weight:bold; font-size:18px; color:#2271b1; margin:10px 0; padding:5px 0; border-top:1px solid #eee; border-bottom:1px solid #eee; }\n.wp-bmi-val { color:#2271b1; font-weight:bold; }\n.wp-bmi-out { width:100%; box-sizing:border-box; padding:10px; border:1px solid #ccc; border-radius:4px; font-family:monospace; font-size:13px; word-break:break-all; background:#f7f7f7; margin-top:6px; }\n.wp-bmi-btn { background:#2271b1; color:#fff; border:none; padding:9px 14px; border-radius:4px; cursor:pointer; font-size:13px; margin-top:10px; }\n<\/style><div class=\"wp-bmi-container\">\n  <h3 class=\"wp-bmi-title\">BMI Calculator<\/h3>\n  <div class=\"wp-bmi-grid\">\n    <div class=\"wp-bmi-input-group\"><label>Weight (kg)<\/label><input type=\"number\" id=\"bmi-w\" value=\"75\" min=\"0\" step=\"any\" oninput=\"calcBmi()\"><\/div>\n    <div class=\"wp-bmi-input-group\"><label>Height (cm)<\/label><input type=\"number\" id=\"bmi-h\" value=\"178\" min=\"0\" step=\"any\" oninput=\"calcBmi()\"><\/div>\n  <\/div>\n  <div class=\"wp-bmi-results\">\n    <div class=\"wp-bmi-res-item wp-bmi-total\"><span>BMI:<\/span><span id=\"bmi-val\">0<\/span><\/div>\n    <div class=\"wp-bmi-res-item\"><span>Classification:<\/span><span id=\"bmi-cat\" style=\"font-weight:bold;\">&#8211;<\/span><\/div>\n    <div class=\"wp-bmi-res-item\"><span>Normal weight range:<\/span><span id=\"bmi-ideal\">&#8211;<\/span><\/div>\n  <\/div>\n  <div class=\"wp-bmi-note\">BMI is a rough guide and accounts for neither muscle mass nor body build. Categories per WHO for adults.<\/div>\n<\/div>\n<script>window.wpBmiL = {\"under\":\"Underweight\",\"normal\":\"Normal weight\",\"over\":\"Overweight\",\"obese\":\"Obese\"};<\/script>\n<script>\nfunction calcBmi(){\n  var w=parseFloat(document.getElementById('bmi-w').value)||0; var h=(parseFloat(document.getElementById('bmi-h').value)||0)\/100; var L=window.wpBmiL||{};\n  var bmi = h>0 ? w\/(h*h) : 0;\n  document.getElementById('bmi-val').innerText = bmi>0 ? (Math.round(bmi*10)\/10).toString() : '-';\n  var cat='-', col='#666';\n  if(bmi>0){ if(bmi<18.5){ cat=L.under||'Underweight'; col='#d98a00'; } else if(bmi<25){ cat=L.normal||'Normal'; col='#2e7d32'; } else if(bmi<30){ cat=L.over||'Overweight'; col='#d98a00'; } else { cat=L.obese||'Obese'; col='#d63638'; } }\n  var c=document.getElementById('bmi-cat'); c.innerText=cat; c.style.color=col;\n  if(h>0){ var lo=Math.round(18.5*h*h*10)\/10, hi=Math.round(25*h*h*10)\/10; document.getElementById('bmi-ideal').innerText=lo+' \u2013 '+hi+' kg'; } else { document.getElementById('bmi-ideal').innerText='-'; }\n}\ncalcBmi();\n<\/script>\n\n\n<div id=\"netgu-730184147\"><script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6258556257245998\"\r\n     crossorigin=\"anonymous\"><\/script>\r\n<!-- NetGuide.io-After-Widget-Tools -->\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block\"\r\n     data-ad-client=\"ca-pub-6258556257245998\"\r\n     data-ad-slot=\"5175852350\"\r\n     data-ad-format=\"auto\"\r\n     data-full-width-responsive=\"true\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Understanding body mass index<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">BMI relates body weight to height and gives a rough indication of weight. The calculator shows the value, the WHO classification and the recommended normal weight range for your height.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Formula:<\/strong> BMI = weight (kg) \u00f7 height\u00b2 (m). Example: 75 kg at 1.78 m gives about 23.7.<\/li>\n\n\n<li><strong>Categories (WHO):<\/strong> under 18.5 underweight, 18.5\u201325 normal, 25\u201330 overweight, over 30 obese.<\/li>\n\n\n<li><strong>Limits:<\/strong> Athletes with lots of muscle can have a high BMI without being overweight.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Related calculators<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"\/tools\/en\/percentage-vat-calculator\/\">Percentage &#038; VAT Calculator<\/a><\/li>\n\n\n<li><a href=\"\/tools\/en\/unit-converter\/\">Unit Converter<\/a><\/li>\n<\/ul>\n\n\n<div id=\"netgu-3111806862\" class=\"netgu-after-content netgu-entity-placement\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6258556257245998\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-6258556257245998\" \ndata-ad-slot=\"4559785002\" \ndata-ad-format=\"auto\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Calculate body mass index \u2013 from height and weight, with classification (under\/normal\/overweight) and ideal weight. In the browser.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[158],"tags":[],"class_list":["post-231","post","type-post","status-publish","format-standard","hentry","category-rechner-calculator-en"],"brizy_media":[],"_links":{"self":[{"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/posts\/231","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/comments?post=231"}],"version-history":[{"count":0,"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/posts\/231\/revisions"}],"wp:attachment":[{"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/media?parent=231"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/categories?post=231"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/tags?post=231"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}