{"id":2900,"date":"2026-04-03T23:02:42","date_gmt":"2026-04-03T21:02:42","guid":{"rendered":"https:\/\/nature-o.net\/?page_id=2900"},"modified":"2026-04-03T23:02:43","modified_gmt":"2026-04-03T21:02:43","slug":"household-waste-calculator","status":"publish","type":"page","link":"https:\/\/nature-o.net\/?page_id=2900","title":{"rendered":"Household Waste Calculator"},"content":{"rendered":"\n<div class=\"eco-tool wp-block-group\" id=\"eco-tool-waste-n74y6\">\n  <div class=\"eco-tool__header\">\n    <h2 class=\"eco-tool__title\">Household Waste Calculator<\/h2>\n    <p class=\"eco-tool__lead\">\n      Estimate how much household waste your home produces each week, month, and year.\n    <\/p>\n  <\/div>\n\n  <form class=\"eco-tool__form\" id=\"eco-waste-form-n74y6\" novalidate>\n    <div class=\"eco-tool__grid3\">\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"people-n74y6\">People in<br>household<\/label>\n        <input class=\"eco-tool__input\" id=\"people-n74y6\" type=\"number\" min=\"1\" step=\"1\" value=\"2\" inputmode=\"numeric\" \/>\n        <div class=\"eco-tool__hint\">Total number of people at home.<\/div>\n      <\/div>\n\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"trash-n74y6\">Trash bags<br>per week<\/label>\n        <input class=\"eco-tool__input\" id=\"trash-n74y6\" type=\"number\" min=\"0\" step=\"1\" value=\"4\" inputmode=\"numeric\" \/>\n        <div class=\"eco-tool__hint\">General mixed household waste.<\/div>\n      <\/div>\n\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"bag-size-n74y6\">Average bag<br>size<\/label>\n        <select class=\"eco-tool__input\" id=\"bag-size-n74y6\">\n          <option value=\"4\">Small<\/option>\n          <option value=\"7\" selected>Medium<\/option>\n          <option value=\"10\">Large<\/option>\n        <\/select>\n        <div class=\"eco-tool__hint\">Estimated weight in kg per full bag.<\/div>\n      <\/div>\n\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"recycling-n74y6\">Recycling bags<br>per week<\/label>\n        <input class=\"eco-tool__input\" id=\"recycling-n74y6\" type=\"number\" min=\"0\" step=\"1\" value=\"2\" inputmode=\"numeric\" \/>\n        <div class=\"eco-tool__hint\">Plastic, paper, glass, and metal recycling.<\/div>\n      <\/div>\n\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"food-n74y6\">Food waste<br>level<\/label>\n        <select class=\"eco-tool__input\" id=\"food-n74y6\">\n          <option value=\"low\">Low<\/option>\n          <option value=\"medium\" selected>Medium<\/option>\n          <option value=\"high\">High<\/option>\n        <\/select>\n        <div class=\"eco-tool__hint\">Used to adjust total waste estimates.<\/div>\n      <\/div>\n\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"compost-n74y6\">Compost<br>at home<\/label>\n        <select class=\"eco-tool__input\" id=\"compost-n74y6\">\n          <option value=\"no\" selected>No<\/option>\n          <option value=\"yes\">Yes<\/option>\n        <\/select>\n        <div class=\"eco-tool__hint\">Composting can reduce mixed waste.<\/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-n74y6\">Calculate<\/button>\n      <button type=\"button\" class=\"wp-element-button eco-tool__btn eco-tool__btn--ghost\" id=\"reset-n74y6\">Reset<\/button>\n      <div class=\"eco-tool__error\" id=\"error-n74y6\" aria-live=\"polite\"><\/div>\n    <\/div>\n  <\/form>\n\n  <div class=\"eco-tool__result\" id=\"result-n74y6\" 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 waste output<\/div>\n        <div class=\"eco-tool__metric-value\" id=\"week-n74y6\">\u2014<\/div>\n        <div class=\"eco-tool__metric-sub\" id=\"year-n74y6\"><\/div>\n      <\/div>\n\n      <div class=\"eco-tool__card\">\n        <div class=\"eco-tool__metric-label\">Per person<\/div>\n        <div class=\"eco-tool__metric-value\" id=\"person-n74y6\">\u2014<\/div>\n        <div class=\"eco-tool__metric-sub\" id=\"recycle-rate-n74y6\"><\/div>\n      <\/div>\n    <\/div>\n\n    <div class=\"eco-tool__card eco-tool__card--wide\">\n      <div class=\"eco-tool__metric-label\">Quick takeaway<\/div>\n      <div class=\"eco-tool__metric-sub\" id=\"tip-n74y6\"><\/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 estimate weekly waste by combining trash bag count, average bag size, food waste level, and composting behavior.\n        Recycling is shown as a simple share of total household waste flow.\n      <\/p>\n      <ul class=\"eco-tool__list\">\n        <li><strong>Small bag:<\/strong> ~4 kg<\/li>\n        <li><strong>Medium bag:<\/strong> ~7 kg<\/li>\n        <li><strong>Large bag:<\/strong> ~10 kg<\/li>\n        <li><strong>Food waste adjustment:<\/strong> low \u00d70.9, medium \u00d71.0, high \u00d71.15<\/li>\n        <li><strong>Compost adjustment:<\/strong> yes \u00d70.85 on mixed waste<\/li>\n      <\/ul>\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.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,.20);border-radius:10px;background:#fff;box-sizing:border-box;font:inherit;}\n.eco-tool select.eco-tool__input{\n  appearance:none;-webkit-appearance:none;line-height:44px;padding-right:40px;\n  background-image:\n    linear-gradient(45deg, transparent 50%, rgba(0,0,0,.60) 50%),\n    linear-gradient(135deg, rgba(0,0,0,.60) 50%, transparent 50%);\n  background-position:calc(100% - 18px) 50%, calc(100% - 12px) 50%;\n  background-size:6px 6px;background-repeat:no-repeat;\n}\n.eco-tool__hint{font-size:.92em;opacity:.78;min-height:38px;}\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,.20) !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__result{margin-top:16px;}\n.eco-tool__subtitle{margin:0 0 10px;}\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.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.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 = \"n74y6\";\n  const el = (id) => document.getElementById(id + \"-\" + S);\n\n  const peopleEl = el(\"people\");\n  const trashEl = el(\"trash\");\n  const bagSizeEl = el(\"bag-size\");\n  const recyclingEl = el(\"recycling\");\n  const foodEl = el(\"food\");\n  const compostEl = el(\"compost\");\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 personEl = el(\"person\");\n  const recycleRateEl = el(\"recycle-rate\");\n  const tipEl = el(\"tip\");\n\n  const FOOD_FACTOR = {\n    low: 0.90,\n    medium: 1.00,\n    high: 1.15\n  };\n\n  function setError(msg){ errorEl.textContent = msg || \"\"; }\n  function fmt(n){\n    return (Math.round(n * 10) \/ 10).toLocaleString(undefined,{minimumFractionDigits:1,maximumFractionDigits:1});\n  }\n\n  function calculate(){\n    setError(\"\");\n\n    const people = Number(peopleEl.value);\n    const trash = Number(trashEl.value);\n    const bagSize = Number(bagSizeEl.value);\n    const recycling = Number(recyclingEl.value);\n    const foodFactor = FOOD_FACTOR[foodEl.value] || 1;\n    const compost = compostEl.value;\n\n    if (!Number.isFinite(people) || people < 1){\n      setError(\"Please enter at least 1 person.\");\n      resultEl.hidden = true;\n      return;\n    }\n    if (![trash, bagSize, recycling].every(v => Number.isFinite(v) && v >= 0)){\n      setError(\"Please enter valid values.\");\n      resultEl.hidden = true;\n      return;\n    }\n\n    let mixedWasteWeek = trash * bagSize * foodFactor;\n    if (compost === \"yes\") mixedWasteWeek *= 0.85;\n\n    const recyclingWeek = recycling * bagSize * 0.7;\n    const totalFlowWeek = mixedWasteWeek + recyclingWeek;\n    const totalYear = totalFlowWeek * 52;\n    const perPersonWeek = totalFlowWeek \/ people;\n    const recycleShare = totalFlowWeek > 0 ? (recyclingWeek \/ totalFlowWeek) * 100 : 0;\n\n    weekEl.textContent = `${fmt(totalFlowWeek)} kg \/ week`;\n    yearEl.textContent = `${fmt(totalYear)} kg \/ year`;\n    personEl.textContent = `${fmt(perPersonWeek)} kg per person \/ week`;\n    recycleRateEl.textContent = `${fmt(recycleShare)}% of total waste flow is recycled`;\n\n    if (recycleShare < 20){\n      tipEl.textContent = \"Your recycling share looks low. Separating more recyclable materials could reduce mixed waste.\";\n    } else if (compost === \"no\"){\n      tipEl.textContent = \"Composting food scraps could help lower your mixed household waste.\";\n    } else {\n      tipEl.textContent = \"Your household already has some waste-reduction habits in place.\";\n    }\n\n    resultEl.hidden = false;\n  }\n\n  function reset(){\n    setError(\"\");\n    peopleEl.value = \"2\";\n    trashEl.value = \"4\";\n    bagSizeEl.value = \"7\";\n    recyclingEl.value = \"2\";\n    foodEl.value = \"medium\";\n    compostEl.value = \"no\";\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>Household Waste Calculator Estimate how much household waste your home produces each week, month, and year. People inhousehold Total number of people at home. Trash bagsper week General mixed household&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:\/\/nature-o.net\/index.php?rest_route=\/wp\/v2\/pages\/2900"}],"collection":[{"href":"https:\/\/nature-o.net\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/nature-o.net\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/nature-o.net\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/nature-o.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2900"}],"version-history":[{"count":1,"href":"https:\/\/nature-o.net\/index.php?rest_route=\/wp\/v2\/pages\/2900\/revisions"}],"predecessor-version":[{"id":2901,"href":"https:\/\/nature-o.net\/index.php?rest_route=\/wp\/v2\/pages\/2900\/revisions\/2901"}],"up":[{"embeddable":true,"href":"https:\/\/nature-o.net\/index.php?rest_route=\/wp\/v2\/pages\/2452"}],"wp:attachment":[{"href":"https:\/\/nature-o.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2900"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}