Everyday
Electricity Bill Calculator
Estimate your bill from appliance wattage, hours and your unit rate.
How this electricity bill calculator works
The electricity bill calculator takes the numbers you enter and applies a standard formula for this kind of calculation, showing the result instantly with no page reload. Estimate your bill from appliance wattage, hours and your unit rate.
Everything runs client-side in JavaScript, so your inputs never leave your device — there's no server, no account and no tracking involved in getting your answer.
Frequently asked questions
In kilowatt-hours (kWh): watts × hours of use ÷ 1000. Multiply the result by your utility's rate per unit to estimate cost.