WattCost

Cost to run a microwave

Short answer

Running a microwave (~1000W, ~0.5 hrs/day) costs about $0.08/day, $3/month, or $31/year at the U.S. average of 16.8¢/kWh.

Wattage

1000 W

Per day

$0.08

Per month

$3

Per year

$31

Figures assume ~1000W for ~0.5 hours a day at the U.S. average 16.8¢/kWh. Your state's rate and your real usage change the total — enter both in the calculator.

Your rate & usage

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Other appliances

Frequently asked questions

How much does it cost to run a microwave?

About $0.08 per day, $3 per month, or $31 per year at the U.S. average of 16.8¢/kWh, assuming ~1000W for ~0.5 hours a day.

How many watts does a microwave use?

A typical microwave draws about 1000 watts when running. Your model may differ — check its label or a plug-in power meter and enter the real number in the calculator.

How can I cut the cost of running a microwave?

Run it less, use a more efficient model, and check whether your utility offers cheaper off-peak (time-of-use) rates. Costs also vary 4× by state, so your local rate matters a lot.