{"id":2879,"date":"2026-04-03T22:47:19","date_gmt":"2026-04-03T20:47:19","guid":{"rendered":"https:\/\/bio-me.bio\/?page_id=2879"},"modified":"2026-04-03T22:47:20","modified_gmt":"2026-04-03T20:47:20","slug":"water-footprint-diet-calculator","status":"publish","type":"page","link":"https:\/\/bio-me.bio\/?page_id=2879","title":{"rendered":"Water Footprint Diet Calculator"},"content":{"rendered":"\n<div class=\"eco-tool wp-block-group\" id=\"eco-tool-water-diet-j26r5\">\n  <div class=\"eco-tool__header\">\n    <h2 class=\"eco-tool__title\">Water Footprint Diet Calculator<\/h2>\n    <p class=\"eco-tool__lead\">\n      Estimate your diet-related water footprint based on how often you eat different foods.\n    <\/p>\n  <\/div>\n\n  <form class=\"eco-tool__form\" id=\"eco-diet-form-j26r5\" novalidate>\n    <div class=\"eco-tool__grid3\">\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"beef-j26r5\">Beef meals<br>per week<\/label>\n        <input class=\"eco-tool__input\" id=\"beef-j26r5\" type=\"number\" min=\"0\" step=\"1\" value=\"1\" inputmode=\"numeric\" \/>\n        <div class=\"eco-tool__hint\">Burgers, steaks, and beef-based dishes.<\/div>\n      <\/div>\n\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"chicken-j26r5\">Chicken meals<br>per week<\/label>\n        <input class=\"eco-tool__input\" id=\"chicken-j26r5\" type=\"number\" min=\"0\" step=\"1\" value=\"2\" inputmode=\"numeric\" \/>\n        <div class=\"eco-tool__hint\">Chicken and turkey meals.<\/div>\n      <\/div>\n\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"dairy-j26r5\">Dairy servings<br>per day<\/label>\n        <input class=\"eco-tool__input\" id=\"dairy-j26r5\" type=\"number\" min=\"0\" step=\"1\" value=\"2\" inputmode=\"numeric\" \/>\n        <div class=\"eco-tool__hint\">Milk, cheese, yogurt, and similar foods.<\/div>\n      <\/div>\n\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"rice-j26r5\">Rice servings<br>per week<\/label>\n        <input class=\"eco-tool__input\" id=\"rice-j26r5\" type=\"number\" min=\"0\" step=\"1\" value=\"3\" inputmode=\"numeric\" \/>\n        <div class=\"eco-tool__hint\">Rice can have a high water footprint.<\/div>\n      <\/div>\n\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"coffee-j26r5\">Coffee cups<br>per day<\/label>\n        <input class=\"eco-tool__input\" id=\"coffee-j26r5\" type=\"number\" min=\"0\" step=\"1\" value=\"2\" inputmode=\"numeric\" \/>\n        <div class=\"eco-tool__hint\">Includes espresso-based drinks.<\/div>\n      <\/div>\n\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"plant-j26r5\">Plant-based meals<br>per week<\/label>\n        <input class=\"eco-tool__input\" id=\"plant-j26r5\" type=\"number\" min=\"0\" step=\"1\" value=\"4\" inputmode=\"numeric\" \/>\n        <div class=\"eco-tool__hint\">Vegetarian or vegan main meals.<\/div>\n      <\/div>\n    <\/div>\n\n    <div class=\"eco-tool__actions\">\n      <button type=\"button\" class=\"wp-element-button eco-tool__btn\" id=\"calc-j26r5\">Calculate<\/button>\n      <button type=\"button\" class=\"wp-element-button eco-tool__btn eco-tool__btn--ghost\" id=\"reset-j26r5\">Reset<\/button>\n      <div class=\"eco-tool__error\" id=\"error-j26r5\" aria-live=\"polite\"><\/div>\n    <\/div>\n  <\/form>\n\n  <div class=\"eco-tool__result\" id=\"result-j26r5\" 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\">Estimated footprint<\/div>\n        <div class=\"eco-tool__metric-value\" id=\"week-j26r5\">\u2014<\/div>\n        <div class=\"eco-tool__metric-sub\" id=\"year-j26r5\"><\/div>\n      <\/div>\n\n      <div class=\"eco-tool__card\">\n        <div class=\"eco-tool__metric-label\">Main driver<\/div>\n        <div class=\"eco-tool__metric-value\" id=\"driver-j26r5\">\u2014<\/div>\n        <div class=\"eco-tool__metric-sub\" id=\"tip-j26r5\"><\/div>\n      <\/div>\n    <\/div>\n\n    <div class=\"eco-tool__card eco-tool__card--wide\">\n      <div class=\"eco-tool__metric-label\">Breakdown<\/div>\n      <div class=\"eco-tool__bars\" id=\"bars-j26r5\"><\/div>\n    <\/div>\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 assign simplified average water-use values to meals and daily servings, then estimate weekly and yearly totals.\n      <\/p>\n      <ul class=\"eco-tool__list\" id=\"factors-j26r5\"><\/ul>\n    <\/div>\n  <\/details>\n<\/div>\n\n<style>\n.eco-tool{border:1px solid 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rgba(0,0,0,.12);border-radius:999px;height:12px;overflow:hidden;background:rgba(0,0,0,.03);}\n.eco-tool__barfill{height:100%;width:0%;background:rgba(0,0,0,.25);}\n.eco-tool__barval{text-align:right;opacity:.85;white-space:nowrap;}\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.eco-tool__list{margin:0;padding-left:18px;}\n<\/style>\n\n<script>\n(function(){\n  const S = \"j26r5\";\n  const el = (id) => document.getElementById(id + \"-\" + S);\n\n  const beefEl = el(\"beef\");\n  const chickenEl = el(\"chicken\");\n  const dairyEl = el(\"dairy\");\n  const riceEl = el(\"rice\");\n  const coffeeEl = el(\"coffee\");\n  const plantEl = el(\"plant\");\n\n  const calcBtn = el(\"calc\");\n  const resetBtn = el(\"reset\");\n  const errorEl = el(\"error\");\n  const resultEl = el(\"result\");\n\n  const weekEl = el(\"week\");\n  const yearEl = el(\"year\");\n  const driverEl = el(\"driver\");\n  const tipEl = el(\"tip\");\n  const barsEl = el(\"bars\");\n  const factorsEl = el(\"factors\");\n\n  const FACTORS = {\n    beef_meal: 2500,\n    chicken_meal: 900,\n    dairy_serving: 300,\n    rice_serving: 500,\n    coffee_cup: 140,\n    plant_meal: 600\n  }; \/\/ liters\n\n  function setError(msg){ errorEl.textContent = msg || \"\"; }\n\n  function fmt(n){ return Math.round(n).toLocaleString(); }\n\n  function fillFactors(){\n    factorsEl.innerHTML = [\n      `<li><strong>Beef meal:<\/strong> ~${fmt(FACTORS.beef_meal)} liters<\/li>`,\n      `<li><strong>Chicken meal:<\/strong> ~${fmt(FACTORS.chicken_meal)} liters<\/li>`,\n      `<li><strong>Dairy serving:<\/strong> ~${fmt(FACTORS.dairy_serving)} liters<\/li>`,\n      `<li><strong>Rice serving:<\/strong> ~${fmt(FACTORS.rice_serving)} liters<\/li>`,\n      `<li><strong>Coffee cup:<\/strong> ~${fmt(FACTORS.coffee_cup)} liters<\/li>`,\n      `<li><strong>Plant-based meal:<\/strong> ~${fmt(FACTORS.plant_meal)} liters<\/li>`\n    ].join(\"\");\n  }\n\n  function barRow(label, pct, liters){\n    const p = Math.max(0, Math.min(100, pct));\n    return `\n      <div class=\"eco-tool__barrow\">\n        <div class=\"eco-tool__barlabel\">${label}<\/div>\n        <div class=\"eco-tool__bartrack\"><div class=\"eco-tool__barfill\" style=\"width:${p}%;\"><\/div><\/div>\n        <div class=\"eco-tool__barval\">${fmt(liters)} L<\/div>\n      <\/div>\n    `;\n  }\n\n  function calculate(){\n    setError(\"\");\n\n    const beef = Number(beefEl.value);\n    const chicken = Number(chickenEl.value);\n    const dairy = Number(dairyEl.value);\n    const rice = Number(riceEl.value);\n    const coffee = Number(coffeeEl.value);\n    const plant = Number(plantEl.value);\n\n    const values = [beef, chicken, dairy, rice, coffee, plant];\n    if (values.some(v => !Number.isFinite(v) || v < 0)){\n      setError(\"Please enter 0 or more for all fields.\");\n      resultEl.hidden = true;\n      return;\n    }\n\n    const beefL = beef * FACTORS.beef_meal;\n    const chickenL = chicken * FACTORS.chicken_meal;\n    const dairyL = dairy * 7 * FACTORS.dairy_serving;\n    const riceL = rice * FACTORS.rice_serving;\n    const coffeeL = coffee * 7 * FACTORS.coffee_cup;\n    const plantL = plant * FACTORS.plant_meal;\n\n    const totalWeek = beefL + chickenL + dairyL + riceL + coffeeL + plantL;\n    const totalYear = totalWeek * 52;\n\n    weekEl.textContent = `${fmt(totalWeek)} L \/ week`;\n    yearEl.textContent = `${fmt(totalYear)} L \/ year`;\n\n    const parts = [\n      { label: \"Beef\", liters: beefL },\n      { label: \"Chicken\", liters: chickenL },\n      { label: \"Dairy\", liters: dairyL },\n      { label: \"Rice\", liters: riceL },\n      { label: \"Coffee\", liters: coffeeL },\n      { label: \"Plant-based\", liters: plantL }\n    ].sort((a,b) => b.liters - a.liters);\n\n    const max = Math.max(1, parts[0].liters);\n    barsEl.innerHTML = parts.map(p => barRow(p.label, (p.liters \/ max) * 100, p.liters)).join(\"\");\n\n    driverEl.textContent = parts[0].label;\n\n    if (parts[0].label === \"Beef\"){\n      tipEl.textContent = \"Beef is likely driving most of the water footprint.\";\n    } else if (parts[0].label === \"Dairy\"){\n      tipEl.textContent = \"Daily dairy use is adding up over the week.\";\n    } else if (parts[0].label === \"Rice\"){\n      tipEl.textContent = \"Rice can have a surprisingly high water footprint.\";\n    } else {\n      tipEl.textContent = \"Small changes in your top category could lower your total.\";\n    }\n\n    resultEl.hidden = false;\n  }\n\n  function reset(){\n    setError(\"\");\n    beefEl.value = \"1\";\n    chickenEl.value = \"2\";\n    dairyEl.value = \"2\";\n    riceEl.value = \"3\";\n    coffeeEl.value = \"2\";\n    plantEl.value = \"4\";\n    resultEl.hidden = true;\n  }\n\n  fillFactors();\n  calcBtn.addEventListener(\"click\", calculate);\n  resetBtn.addEventListener(\"click\", reset);\n})();\n<\/script>\n","protected":false},"excerpt":{"rendered":"<p>Water Footprint Diet Calculator Estimate your diet-related water footprint based on how often you eat different foods. Beef mealsper week Burgers, steaks, and beef-based dishes. Chicken mealsper week Chicken and&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\/2879"}],"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=2879"}],"version-history":[{"count":1,"href":"https:\/\/bio-me.bio\/index.php?rest_route=\/wp\/v2\/pages\/2879\/revisions"}],"predecessor-version":[{"id":2880,"href":"https:\/\/bio-me.bio\/index.php?rest_route=\/wp\/v2\/pages\/2879\/revisions\/2880"}],"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=2879"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}