https://utilityexplained.com/calculators/Recent content in Calculators on Utility ExplainedHugoen-usMon, 05 Oct 2026 00:00:00 +0000https://utilityexplained.com/calculators/electricity-cost/Mon, 05 Oct 2026 00:00:00 +0000https://utilityexplained.com/calculators/electricity-cost/<div class="calc-shell"> <h2>Appliance electricity cost calculator</h2> <p class="calc-intro">Enter the appliance's wattage (check the label or manual), how many hours a day it runs, and your rate from your bill. Don't know your rate? The national average is pre-filled.</p> <div class="calc-grid"> <label>Appliance wattage (W) <input id="calc-watts" type="number" inputmode="decimal" value="1500" min="1" max="15000"> </label> <label>Hours used per day <input id="calc-hours" type="number" inputmode="decimal" value="3" min="0" max="24" step="0.5"> </label> <label>Your rate ($ per kWh) <input id="calc-rate" type="number" inputmode="decimal" value="0.1831" min="0.01" max="2" step="0.001"> <span class="calc-hint">U.S. residential average (EIA, July 2026): 18.31¢. Find yours: total electric charges ÷ total kWh on your bill.</span> </label> </div> <button id="calc-go" class="calc-btn">Calculate cost</button> <div id="calc-out" class="calc-out" aria-live="polite"></div> </div> <script> (function(){ var W = document.getElementById('calc-watts'), H = document.getElementById('calc-hours'), R = document.getElementById('calc-rate'), GO = document.getElementById('calc-go'), OUT = document.getElementById('calc-out'); function fmt(n){ return '$' + n.toFixed(2).replace(/\.00$/,''); } function calc(){ var w = parseFloat(W.value)||0, h = parseFloat(H.value)||0, r = parseFloat(R.value)||0; if (w<=0||h<0||r<=0){ OUT.innerHTML = '<p class="calc-err">Enter wattage, hours, and a rate above zero.</p>