Household electricity

Appliance Running Cost Calculator

Choose an appliance or enter any wattage to estimate its cost against your own electricity tariff.

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Find watts on the appliance label. Your bill shows the price per kWh. The example rate is 26.11p (Ofgem GB cap, Jul–Sep 2026 Direct Debit) — replace it with your unit rate.

Estimated monthly cost£79.20303.3 kWh per month
Per hour£0.52
Per day£2.61
Per year£950.40

Running this electric heater for 5 hours a day, 7 days a week uses about 303.3 kWh each month.

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