{"id":2541,"date":"2026-03-01T01:06:27","date_gmt":"2026-02-28T23:06:27","guid":{"rendered":"https:\/\/bio-me.bio\/?page_id=2541"},"modified":"2026-03-09T12:35:41","modified_gmt":"2026-03-09T10:35:41","slug":"bmi-healthy-weight-range-calculator","status":"publish","type":"page","link":"https:\/\/bio-me.bio\/?page_id=2541","title":{"rendered":"BMI &amp; Healthy Weight Range Calculator"},"content":{"rendered":"\n<div class=\"eco-tool wp-block-group\" id=\"eco-tool-bmi-8b3d1\">\n  <div class=\"eco-tool__header\">\n    <h2 class=\"eco-tool__title\">BMI &#038; Healthy Weight Range Calculator<\/h2>\n    <p class=\"eco-tool__lead\">\n      Calculate Body Mass Index (BMI) and estimate a healthy weight range for a given height (informational only).\n    <\/p>\n  <\/div>\n\n  <form class=\"eco-tool__form\" id=\"eco-bmi-form-8b3d1\" novalidate>\n    <div class=\"eco-tool__grid3\">\n\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"eco-bmi-height-8b3d1\">Height<\/label>\n        <input class=\"eco-tool__input\" id=\"eco-bmi-height-8b3d1\" type=\"number\" min=\"50\" step=\"0.1\" value=\"175\" inputmode=\"decimal\" \/>\n        <div class=\"eco-tool__hint\">Enter your height.<\/div>\n      <\/div>\n\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"eco-bmi-hunit-8b3d1\">Height unit<\/label>\n        <select class=\"eco-tool__input\" id=\"eco-bmi-hunit-8b3d1\">\n          <option value=\"cm\" selected>cm<\/option>\n          <option value=\"m\">meters<\/option>\n          <option value=\"in\">inches<\/option>\n        <\/select>\n        <div class=\"eco-tool__hint\">Choose a unit.<\/div>\n      <\/div>\n\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"eco-bmi-weight-8b3d1\">Weight<\/label>\n        <input class=\"eco-tool__input\" id=\"eco-bmi-weight-8b3d1\" type=\"number\" min=\"1\" step=\"0.1\" value=\"70\" inputmode=\"decimal\" \/>\n        <div class=\"eco-tool__hint\">Enter your current weight.<\/div>\n      <\/div>\n\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"eco-bmi-wunit-8b3d1\">Weight unit<\/label>\n        <select class=\"eco-tool__input\" id=\"eco-bmi-wunit-8b3d1\">\n          <option value=\"kg\" selected>kg<\/option>\n          <option value=\"lb\">lb<\/option>\n        <\/select>\n        <div class=\"eco-tool__hint\">Kilograms or pounds.<\/div>\n      <\/div>\n\n    <\/div>\n\n    <div class=\"eco-tool__actions\">\n      <button type=\"button\" class=\"wp-element-button eco-tool__btn\" id=\"eco-bmi-calc-8b3d1\">Calculate<\/button>\n      <button type=\"button\" class=\"wp-element-button eco-tool__btn eco-tool__btn--ghost\" id=\"eco-bmi-reset-8b3d1\">Reset<\/button>\n      <div class=\"eco-tool__error\" id=\"eco-bmi-error-8b3d1\" aria-live=\"polite\"><\/div>\n    <\/div>\n  <\/form>\n\n  <div class=\"eco-tool__result\" id=\"eco-bmi-result-8b3d1\" hidden>\n    <h3 class=\"eco-tool__subtitle\">Result<\/h3>\n\n    <div class=\"eco-tool__cards\">\n      <div class=\"eco-tool__card\">\n        <div class=\"eco-tool__metric-label\">BMI<\/div>\n        <div class=\"eco-tool__metric-value\" id=\"eco-bmi-out-8b3d1\">\u2014<\/div>\n        <div class=\"eco-tool__metric-sub\" id=\"eco-bmi-cat-8b3d1\"><\/div>\n      <\/div>\n\n      <div class=\"eco-tool__card\">\n        <div class=\"eco-tool__metric-label\">Healthy weight range<\/div>\n        <div class=\"eco-tool__metric-value\" id=\"eco-bmi-range-8b3d1\">\u2014<\/div>\n        <div class=\"eco-tool__metric-sub\" id=\"eco-bmi-range-sub-8b3d1\"><\/div>\n      <\/div>\n    <\/div>\n\n    <div class=\"eco-tool__card eco-tool__card--wide\">\n      <div class=\"eco-tool__metric-label\">Note<\/div>\n      <div class=\"eco-tool__metric-sub\" id=\"eco-bmi-note-8b3d1\"><\/div>\n    <\/div>\n  <\/div>\n<\/div>\n\n<style>\n.eco-tool{border:1px solid rgba(0,0,0,.12);border-radius:12px;padding:16px}\n.eco-tool__grid3{display:grid;grid-template-columns:1fr;gap:16px}\n@media(min-width:860px){.eco-tool__grid3{grid-template-columns:1fr 1fr 1fr}}\n.eco-tool__field{display:flex;flex-direction:column;gap:6px}\n.eco-tool__label{font-weight:600}\n.eco-tool__input{width:100%;height:44px;padding:0 12px;border:1px solid rgba(0,0,0,.2);border-radius:10px;background:#fff;box-sizing:border-box;font:inherit}\n.eco-tool__actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:16px}\n.eco-tool__btn{padding:10px 22px}\n.eco-tool__btn--ghost{background:transparent!important;border:1px solid rgba(0,0,0,.2)!important}\n.eco-tool__btn--ghost:hover,.eco-tool__btn--ghost:focus{background:rgba(0,0,0,.06)!important;border-color:rgba(0,0,0,.35)!important}\n.eco-tool__error{min-height:1.2em;font-weight:600;flex:1 1 240px}\n.eco-tool__cards{display:grid;gap:10px;margin-top:16px}\n@media(min-width:860px){.eco-tool__cards{grid-template-columns:1fr 1fr}}\n.eco-tool__card{border:1px solid rgba(0,0,0,.12);border-radius:12px;padding:12px}\n.eco-tool__metric-value{font-size:1.6em;font-weight:800;margin-top:6px}\n.eco-tool__metric-sub{opacity:.85;margin-top:6px}\n<\/style>\n\n<script>\n(function(){\n  const S=\"8b3d1\";\n  const el=id=>document.getElementById(id+\"-\"+S);\n\n  const hEl=el(\"eco-bmi-height\");\n  const hU=el(\"eco-bmi-hunit\");\n  const wEl=el(\"eco-bmi-weight\");\n  const wU=el(\"eco-bmi-wunit\");\n\n  const calc=el(\"eco-bmi-calc\");\n  const reset=el(\"eco-bmi-reset\");\n  const err=el(\"eco-bmi-error\");\n\n  const res=el(\"eco-bmi-result\");\n  const out=el(\"eco-bmi-out\");\n  const cat=el(\"eco-bmi-cat\");\n  const range=el(\"eco-bmi-range\");\n  const rangeSub=el(\"eco-bmi-range-sub\");\n  const note=el(\"eco-bmi-note\");\n\n  function setError(m){ err.textContent=m||\"\"; }\n\n  function heightToMeters(v,u){\n    if(u===\"m\") return v;\n    if(u===\"cm\") return v\/100;\n    return v*0.0254;\n  }\n\n  function weightToKg(v,u){\n    if(u===\"kg\") return v;\n    return v*0.45359237;\n  }\n\n  function round(x,d){\n    if(d===0) return Math.round(x);\n    const p=Math.pow(10,d);\n    return Math.round(x*p)\/p;\n  }\n\n  function category(bmi){\n    if(bmi < 18.5) return \"Underweight\";\n    if(bmi < 25) return \"Normal weight\";\n    if(bmi < 30) return \"Overweight\";\n    return \"Obesity\";\n  }\n\n  calc.addEventListener(\"click\", function(){\n    setError(\"\");\n\n    const hv=Number(hEl.value);\n    const wv=Number(wEl.value);\n\n    if(!Number.isFinite(hv)||!Number.isFinite(wv)||hv<=0||wv<=0){\n      setError(\"Please enter valid height and weight.\");\n      res.hidden=true;\n      return;\n    }\n\n    const m=heightToMeters(hv,hU.value);\n    const kg=weightToKg(wv,wU.value);\n\n    if(m<=0){\n      setError(\"Height must be greater than 0.\");\n      res.hidden=true;\n      return;\n    }\n\n    const bmi = kg\/(m*m);\n\n    out.textContent = round(bmi,1).toLocaleString();\n    cat.textContent = category(bmi);\n\n    const minW = 18.5*m*m;\n    const maxW = 24.9*m*m;\n\n    range.textContent = `${round(minW,1).toLocaleString()} \u2013 ${round(maxW,1).toLocaleString()} kg`;\n    rangeSub.textContent = \"Based on BMI 18.5\u201324.9\";\n\n    note.textContent = \"BMI is a simple screening metric and does not directly measure body fat, muscle mass, or individual health.\";\n\n    res.hidden=false;\n  });\n\n  reset.addEventListener(\"click\", function(){\n    setError(\"\");\n    hEl.value=\"175\";\n    hU.value=\"cm\";\n    wEl.value=\"70\";\n    wU.value=\"kg\";\n    res.hidden=true;\n  });\n})();\n<\/script>\n","protected":false},"excerpt":{"rendered":"<p>BMI &#038; Healthy Weight Range Calculator Calculate Body Mass Index (BMI) and estimate a healthy weight range for a given height (informational only). Height Enter your height. Height unit cmmetersinches&hellip;<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":2452,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","footnotes":""},"_links":{"self":[{"href":"https:\/\/bio-me.bio\/index.php?rest_route=\/wp\/v2\/pages\/2541"}],"collection":[{"href":"https:\/\/bio-me.bio\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/bio-me.bio\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/bio-me.bio\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/bio-me.bio\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2541"}],"version-history":[{"count":2,"href":"https:\/\/bio-me.bio\/index.php?rest_route=\/wp\/v2\/pages\/2541\/revisions"}],"predecessor-version":[{"id":2601,"href":"https:\/\/bio-me.bio\/index.php?rest_route=\/wp\/v2\/pages\/2541\/revisions\/2601"}],"up":[{"embeddable":true,"href":"https:\/\/bio-me.bio\/index.php?rest_route=\/wp\/v2\/pages\/2452"}],"wp:attachment":[{"href":"https:\/\/bio-me.bio\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2541"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}