How Many Watts Does a Dishwasher Use?

Answer
1,500 W typical (1,200–2,400 W)

A dishwasher uses about 1,500 watts while running. At a typical 1 hour a day that is 45.0 kWh per month, or about $7.65 at $0.17/kWh. Most of the energy goes into heating water and drying.

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    For estimating and educational purposes only. Results are approximate and are not a substitute for a licensed professional, the manufacturer's instructions or your local code. Disclaimer

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    Dishwasher power use at a glance

    Value
    Typical running watts1,500 W
    Range1,200–2,400 W
    Current at 120 V12.5 A
    Typical use1 h per day
    Energy per day1.50 kWh
    Energy per month45.0 kWh
    Cost per month ($0.17/kWh)$7.65
    Cost per year$93

    Check the label on your appliance for its exact rating. The calculator above uses your own watts, hours and electricity rate.

    Frequently asked questions

    Can I run a dishwasher on a generator?

    Yes. Choose a generator whose running watts exceed 1,500 W.

    How many amps does a dishwasher draw?

    About 12.5 A at 120 V.

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