{"id":114,"date":"2026-08-19T23:50:03","date_gmt":"2026-08-19T23:50:03","guid":{"rendered":"https:\/\/netguide.io\/tools\/electricity-cost-calculator\/"},"modified":"2026-08-19T23:50:03","modified_gmt":"2026-08-19T23:50:03","slug":"electricity-cost-calculator","status":"publish","type":"post","link":"https:\/\/netguide.io\/tools\/en\/electricity-cost-calculator\/","title":{"rendered":"Electricity Cost Calculator"},"content":{"rendered":"<div id=\"netgu-1996902836\" 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-pw-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-pw-title { margin:0 0 15px 0; color:#2271b1; font-size:1.4rem; }\n.wp-pw-grid { display:grid; grid-template-columns:repeat(auto-fit, minmax(140px, 1fr)); gap:12px; margin-bottom:10px; }\n.wp-pw-input-group label { display:block; font-size:11px; font-weight:bold; margin-bottom:4px; text-transform:uppercase; color:#666; }\n.wp-pw-input-group input, .wp-pw-input-group select { width:100%; padding:8px; border:1px solid #ccc; border-radius:4px; box-sizing:border-box; }\n.wp-pw-checkbox-group { margin:15px 0; font-size:12px; display:flex; align-items:center; gap:8px; color:#666; }\n.wp-pw-note { font-size:12px; color:#666; margin-top:12px; min-height:1em; }\n.wp-pw-warn { color:#d63638; font-weight:bold; }\n.wp-pw-results { margin-top:20px; border-top:2px solid #eee; padding-top:15px; }\n.wp-pw-res-item { display:flex; justify-content:space-between; margin-bottom:6px; font-size:14px; gap:10px; }\n.wp-pw-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-pw-val { color:#2271b1; font-weight:bold; }\n.wp-pw-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-pw-btn { background:#2271b1; color:#fff; border:none; padding:9px 14px; border-radius:4px; cursor:pointer; font-size:13px; margin-top:10px; }\n<\/style>\n<div class=\"wp-pw-container\">\n  <h3 class=\"wp-pw-title\">Electricity Cost Calculator<\/h3>\n  <div class=\"wp-pw-grid\">\n    <div class=\"wp-pw-input-group\"><label>Power (watts)<\/label><input type=\"number\" id=\"pw-watt\" value=\"100\" min=\"0\" step=\"1\" oninput=\"calcPower()\"><\/div>\n    <div class=\"wp-pw-input-group\"><label>Operation (hrs\/day)<\/label><input type=\"number\" id=\"pw-hours\" value=\"24\" min=\"0\" max=\"24\" step=\"0.5\" oninput=\"calcPower()\"><\/div>\n    <div class=\"wp-pw-input-group\"><label>Price (\u20ac\/kWh)<\/label><input type=\"number\" id=\"pw-price\" value=\"0.35\" min=\"0\" step=\"0.01\" oninput=\"calcPower()\"><\/div>\n    <div class=\"wp-pw-input-group\"><label>Number of devices<\/label><input type=\"number\" id=\"pw-count\" value=\"1\" min=\"1\" step=\"1\" oninput=\"calcPower()\"><\/div>\n  <\/div>\n  <div class=\"wp-pw-results\">\n    <div class=\"wp-pw-res-item\"><span>Consumption per day:<\/span><span id=\"pw-kwh-day\">0 kWh<\/span><\/div>\n    <div class=\"wp-pw-res-item\"><span>Consumption per month:<\/span><span id=\"pw-kwh-month\">0 kWh<\/span><\/div>\n    <div class=\"wp-pw-res-item\"><span>Consumption per year:<\/span><span id=\"pw-kwh-year\">0 kWh<\/span><\/div>\n    <div class=\"wp-pw-res-item\"><span>Cost per day:<\/span><span id=\"pw-cost-day\">0 \u20ac<\/span><\/div>\n    <div class=\"wp-pw-res-item\"><span>Cost per month:<\/span><span id=\"pw-cost-month\">0 \u20ac<\/span><\/div>\n    <div class=\"wp-pw-res-item wp-pw-total\"><span>Cost per year:<\/span><span id=\"pw-cost-year\">0 \u20ac<\/span><\/div>\n  <\/div>\n<\/div>\n<script>\nfunction calcPower(){\n  var w=parseFloat(document.getElementById('pw-watt').value)||0;\n  var h=parseFloat(document.getElementById('pw-hours').value)||0;\n  var pr=parseFloat(document.getElementById('pw-price').value)||0;\n  var n=parseFloat(document.getElementById('pw-count').value)||1;\n  var kwhDay=w*h*n\/1000, kwhMonth=kwhDay*30.44, kwhYear=kwhDay*365;\n  document.getElementById('pw-kwh-day').innerText=kwhDay.toFixed(2)+' kWh';\n  document.getElementById('pw-kwh-month').innerText=kwhMonth.toFixed(1)+' kWh';\n  document.getElementById('pw-kwh-year').innerText=kwhYear.toFixed(0)+' kWh';\n  document.getElementById('pw-cost-day').innerText=(kwhDay*pr).toFixed(2)+' \\u20AC';\n  document.getElementById('pw-cost-month').innerText=(kwhMonth*pr).toFixed(2)+' \\u20AC';\n  document.getElementById('pw-cost-year').innerText=(kwhYear*pr).toFixed(2)+' \\u20AC';\n}\ncalcPower();\n<\/script>\n\n\n<div id=\"netgu-1455011380\"><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\">How the electricity cost calculator works<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The calculator derives consumption in kilowatt-hours and the resulting cost from power, operating hours and electricity price \u2013 per day, month and year. Ideal for checking what a homelab server, an air conditioner or a ceiling fan really costs in continuous operation.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Power (watts):<\/strong> The device&#8217;s power draw. For servers use the real average load, not the power-supply rating.<\/li>\n\n\n<li><strong>Operation (hrs\/day):<\/strong> Enter 24 for a 24\/7 server; for occasional devices, their actual runtime.<\/li>\n\n\n<li><strong>Price:<\/strong> Preset to \u20ac0.35\/kWh \u2013 adjust it to your tariff.<\/li>\n\n\n<li><strong>Number of devices:<\/strong> Scales identical devices (e.g. several nodes) directly.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Conversion: month = daily value \u00d7 30.44 (average), year = daily value \u00d7 365. Standby draw is not included, so the real annual figure can be slightly higher for devices with a standby mode.<\/p>\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\/ups-runtime-calculator\/\">UPS Runtime Calculator<\/a><\/li>\n\n\n<li><a href=\"\/tools\/en\/ceph-capacity-calculator\/\">Ceph Capacity Calculator<\/a><\/li>\n<\/ul>\n\n\n<div id=\"netgu-1291752772\" 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 the power draw and cost of devices and servers \u2013 kWh and euros per day, month and year, including 24\/7 operation.<\/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 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