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Electricity use and cost calculator

Turn appliance power, usage hours, and your tariff into estimated daily, monthly, and yearly energy cost.

See what an appliance may add to your bill: enter its power, usage, and tariff.

Energy = watts ÷ 1,000 × usage hours. Cost multiplies kWh by the tariff you enter.

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    How it works

    Energy = watts ÷ 1,000 × usage hours. Cost multiplies kWh by the tariff you enter.

    Before you decide

    This estimate excludes taxes, fixed charges, rate changes, and varying appliance power. Check your bill for the actual amount.

    Frequently asked questions

    Where can I find the power rating?

    Check the appliance label or manual. Appliances with cycles may vary considerably while running.

    Is the tariff the full bill amount?

    No. Enter the price per kWh; taxes, rate adjustments, and fixed charges can change the total.