Electricity Cost Calculator

Estimate how much an appliance costs to run from its wattage, hours of use, and your electricity unit rate (p/kWh or ¢/kWh). Everything runs locally in your browser — your inputs are not uploaded to produce the result.

Check the appliance label, manual, or manufacturer specs. Power is usually listed in watts (W) or kilowatts (kW). Use the unit rate from your energy bill (pence or cents per kWh). Standing charges are separate and not included here.

Enter typical daily hours and scale the result by days used per month. Tweak the inputs above to compare options, then copy or note the result you need.