{"id":2645,"date":"2026-03-14T18:55:39","date_gmt":"2026-03-14T16:55:39","guid":{"rendered":"https:\/\/bio-me.bio\/?page_id=2645"},"modified":"2026-03-14T18:55:40","modified_gmt":"2026-03-14T16:55:40","slug":"daily-protein-needs-calculator","status":"publish","type":"page","link":"https:\/\/bio-me.bio\/?page_id=2645","title":{"rendered":"Daily Protein Needs Calculator"},"content":{"rendered":"\n<div class=\"eco-tool wp-block-group\" id=\"eco-tool-protein-5c2e9\">\n  <div class=\"eco-tool__header\">\n    <h2 class=\"eco-tool__title\">Daily Protein Needs Calculator<\/h2>\n    <p class=\"eco-tool__lead\">\n      Estimate your daily protein target based on body weight, activity level, age, and your main goal.\n    <\/p>\n  <\/div>\n\n  <form class=\"eco-tool__form\" id=\"eco-protein-form-5c2e9\" novalidate>\n    <div class=\"eco-tool__grid3\">\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"eco-protein-weight-5c2e9\">Body weight (kg)<\/label>\n        <input class=\"eco-tool__input\" id=\"eco-protein-weight-5c2e9\" type=\"number\" min=\"20\" max=\"300\" step=\"0.1\" value=\"70\" inputmode=\"decimal\" \/>\n        <div class=\"eco-tool__hint\">Use your current body weight in kilograms.<\/div>\n      <\/div>\n\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"eco-protein-activity-5c2e9\">Activity level<\/label>\n        <select class=\"eco-tool__input\" id=\"eco-protein-activity-5c2e9\">\n          <option value=\"low\" selected>Low \/ mostly inactive<\/option>\n          <option value=\"moderate\">Moderate \/ regular exercise<\/option>\n          <option value=\"high\">High \/ intense training<\/option>\n        <\/select>\n        <div class=\"eco-tool__hint\">More activity usually increases protein needs.<\/div>\n      <\/div>\n\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"eco-protein-goal-5c2e9\">Main goal<\/label>\n        <select class=\"eco-tool__input\" id=\"eco-protein-goal-5c2e9\">\n          <option value=\"general\" selected>General health<\/option>\n          <option value=\"muscle\">Build or maintain muscle<\/option>\n          <option value=\"fatloss\">Fat loss \/ calorie deficit<\/option>\n          <option value=\"recovery\">Recovery \/ active lifestyle<\/option>\n        <\/select>\n        <div class=\"eco-tool__hint\">Different goals can shift the suggested range.<\/div>\n      <\/div>\n\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"eco-protein-age-5c2e9\">Age group<\/label>\n        <select class=\"eco-tool__input\" id=\"eco-protein-age-5c2e9\">\n          <option value=\"adult\" selected>18\u201364<\/option>\n          <option value=\"older\">65+<\/option>\n        <\/select>\n        <div class=\"eco-tool__hint\">Older adults may benefit from slightly higher intake.<\/div>\n      <\/div>\n\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"eco-protein-meals-5c2e9\">Meals per day<\/label>\n        <input class=\"eco-tool__input\" id=\"eco-protein-meals-5c2e9\" type=\"number\" min=\"1\" max=\"8\" step=\"1\" value=\"3\" inputmode=\"numeric\" \/>\n        <div class=\"eco-tool__hint\">Used to suggest protein per meal.<\/div>\n      <\/div>\n\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"eco-protein-diet-5c2e9\">Diet style<\/label>\n        <select class=\"eco-tool__input\" id=\"eco-protein-diet-5c2e9\">\n          <option value=\"mixed\" selected>Mixed diet<\/option>\n          <option value=\"vegetarian\">Vegetarian<\/option>\n          <option value=\"vegan\">Vegan<\/option>\n        <\/select>\n        <div class=\"eco-tool__hint\">Plant-based diets may benefit from a bit more planning.<\/div>\n      <\/div>\n    <\/div>\n\n    <div class=\"eco-tool__actions\">\n      <button type=\"button\" class=\"wp-element-button eco-tool__btn\" id=\"eco-protein-calc-5c2e9\">Calculate<\/button>\n      <button type=\"button\" class=\"wp-element-button eco-tool__btn eco-tool__btn--ghost\" id=\"eco-protein-reset-5c2e9\">Reset<\/button>\n      <div class=\"eco-tool__error\" id=\"eco-protein-error-5c2e9\" aria-live=\"polite\"><\/div>\n    <\/div>\n  <\/form>\n\n  <div class=\"eco-tool__result\" id=\"eco-protein-result-5c2e9\" 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\">Suggested daily protein<\/div>\n        <div class=\"eco-tool__metric-value\" id=\"eco-protein-target-5c2e9\">\u2014<\/div>\n        <div class=\"eco-tool__metric-sub\" id=\"eco-protein-range-5c2e9\"><\/div>\n      <\/div>\n\n      <div class=\"eco-tool__card\">\n        <div class=\"eco-tool__metric-label\">Per meal target<\/div>\n        <div class=\"eco-tool__metric-value\" id=\"eco-protein-meal-5c2e9\">\u2014<\/div>\n        <div class=\"eco-tool__metric-sub\" id=\"eco-protein-sub-5c2e9\"><\/div>\n      <\/div>\n    <\/div>\n\n    <div class=\"eco-tool__card eco-tool__card--wide\">\n      <div class=\"eco-tool__metric-label\">Interpretation<\/div>\n      <div class=\"eco-tool__metric-sub\" id=\"eco-protein-note-5c2e9\"><\/div>\n    <\/div>\n\n    <p class=\"eco-tool__note\">\n      This is a practical estimate, not medical advice. Individual needs can vary depending on health status and total calorie intake.\n    <\/p>\n  <\/div>\n\n  <details class=\"eco-tool__details\">\n    <summary class=\"eco-tool__summary\">How we calculate<\/summary>\n    <div class=\"eco-tool__details-body\">\n      <p class=\"eco-tool__text\">\n        We apply a protein-per-kilogram multiplier based on activity, age, and goal, then estimate a useful daily range and an approximate amount per meal.\n      <\/p>\n    <\/div>\n  <\/details>\n<\/div>\n\n<style>\n.eco-tool{ border:1px solid rgba(0,0,0,.12); border-radius:12px; padding:16px; }\n.eco-tool__header{ margin-bottom:12px; }\n.eco-tool__title{ margin:0 0 8px; }\n.eco-tool__lead{ margin:0; opacity:.9; }\n.eco-tool__form{ margin-top:12px; }\n\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\n.eco-tool__field{ display:flex; flex-direction:column; gap:6px; }\n.eco-tool__label{ font-weight:600; 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border-color:rgba(0,0,0,.35) !important; }\n\n.eco-tool__error{ min-height:1.2em; font-weight:600; flex:1 1 240px; }\n\n.eco-tool__result{ margin-top:16px; }\n.eco-tool__subtitle{ margin:0 0 10px; }\n\n.eco-tool__cards{ display:grid; gap:10px; grid-template-columns:1fr; }\n@media (min-width:860px){ .eco-tool__cards{ grid-template-columns:1fr 1fr; } }\n\n.eco-tool__card{ border:1px solid rgba(0,0,0,.12); border-radius:12px; padding:12px; }\n.eco-tool__card--wide{ margin-top:10px; }\n.eco-tool__metric-label{ opacity:.85; font-weight:600; }\n.eco-tool__metric-value{ font-size:1.6em; font-weight:800; margin-top:6px; line-height:1.1; }\n.eco-tool__metric-sub{ opacity:.85; margin-top:6px; }\n\n.eco-tool__note{ margin:10px 0 0; opacity:.9; }\n.eco-tool__details{ margin-top:14px; }\n.eco-tool__summary{ cursor:pointer; font-weight:700; }\n.eco-tool__details-body{ margin-top:10px; }\n.eco-tool__text{ margin:0 0 10px; }\n<\/style>\n\n<script>\n(function(){\n  const S = \"5c2e9\";\n  const el = (id) => document.getElementById(id + \"-\" + S);\n\n  const weightEl = el(\"eco-protein-weight\");\n  const activityEl = el(\"eco-protein-activity\");\n  const goalEl = el(\"eco-protein-goal\");\n  const ageEl = el(\"eco-protein-age\");\n  const mealsEl = el(\"eco-protein-meals\");\n  const dietEl = el(\"eco-protein-diet\");\n\n  const calcBtn = el(\"eco-protein-calc\");\n  const resetBtn = el(\"eco-protein-reset\");\n  const errorEl = el(\"eco-protein-error\");\n\n  const resultEl = el(\"eco-protein-result\");\n  const targetEl = el(\"eco-protein-target\");\n  const rangeEl = el(\"eco-protein-range\");\n  const mealEl = el(\"eco-protein-meal\");\n  const subEl = el(\"eco-protein-sub\");\n  const noteEl = el(\"eco-protein-note\");\n\n  function setError(msg){ errorEl.textContent = msg || \"\"; }\n\n  function calculate(){\n    setError(\"\");\n\n    const weight = Number(weightEl.value);\n    const meals = Number(mealsEl.value);\n\n    if (!Number.isFinite(weight) || weight <= 0){\n      setError(\"Please enter a valid body weight.\");\n      resultEl.hidden = true;\n      return;\n    }\n    if (!Number.isFinite(meals) || meals < 1){\n      setError(\"Please enter a valid number of meals.\");\n      resultEl.hidden = true;\n      return;\n    }\n\n    let gramsPerKg = 0.8;\n\n    if (activityEl.value === \"moderate\") gramsPerKg = 1.2;\n    if (activityEl.value === \"high\") gramsPerKg = 1.6;\n\n    if (goalEl.value === \"muscle\") gramsPerKg += 0.2;\n    if (goalEl.value === \"fatloss\") gramsPerKg += 0.3;\n    if (goalEl.value === \"recovery\") gramsPerKg += 0.1;\n\n    if (ageEl.value === \"older\") gramsPerKg += 0.2;\n    if (dietEl.value === \"vegetarian\") gramsPerKg += 0.05;\n    if (dietEl.value === \"vegan\") gramsPerKg += 0.1;\n\n    const target = weight * gramsPerKg;\n    const low = weight * Math.max(0.8, gramsPerKg - 0.2);\n    const high = weight * (gramsPerKg + 0.2);\n    const perMeal = target \/ meals;\n\n    let note = \"\";\n    if (target < 70){\n      note = \"This is a moderate daily target that may suit general health and lighter activity.\";\n    } else if (target < 110){\n      note = \"This target is common for active adults who want solid daily protein coverage.\";\n    } else {\n      note = \"This is a higher protein target, often used for muscle retention, training, or calorie deficit phases.\";\n    }\n\n    if (dietEl.value === \"vegan\" || dietEl.value === \"vegetarian\"){\n      note += \" Spreading protein across meals and combining varied protein sources may help.\";\n    }\n\n    targetEl.textContent = `${target.toFixed(0)} g\/day`;\n    rangeEl.textContent = `Useful range: ${low.toFixed(0)}\u2013${high.toFixed(0)} g\/day`;\n    mealEl.textContent = `${perMeal.toFixed(0)} g\/meal`;\n    subEl.textContent = `Based on ${meals} meals per day.`;\n    noteEl.textContent = note;\n\n    resultEl.hidden = false;\n  }\n\n  function reset(){\n    setError(\"\");\n    weightEl.value = \"70\";\n    activityEl.value = \"low\";\n    goalEl.value = \"general\";\n    ageEl.value = \"adult\";\n    mealsEl.value = \"3\";\n    dietEl.value = \"mixed\";\n    resultEl.hidden = true;\n  }\n\n  calcBtn.addEventListener(\"click\", calculate);\n  resetBtn.addEventListener(\"click\", reset);\n})();\n<\/script>\n","protected":false},"excerpt":{"rendered":"<p>Daily Protein Needs Calculator Estimate your daily protein target based on body weight, activity level, age, and your main goal. Body weight (kg) Use your current body weight in kilograms.&hellip;<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":2457,"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\/2645"}],"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=2645"}],"version-history":[{"count":1,"href":"https:\/\/bio-me.bio\/index.php?rest_route=\/wp\/v2\/pages\/2645\/revisions"}],"predecessor-version":[{"id":2646,"href":"https:\/\/bio-me.bio\/index.php?rest_route=\/wp\/v2\/pages\/2645\/revisions\/2646"}],"up":[{"embeddable":true,"href":"https:\/\/bio-me.bio\/index.php?rest_route=\/wp\/v2\/pages\/2457"}],"wp:attachment":[{"href":"https:\/\/bio-me.bio\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2645"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}