WattCost

Cost to run a dishwasher

Short answer

Running a dishwasher (~1800W, ~1 hrs/day) costs about $0.30/day, $9/month, or $110/year at the U.S. average of 16.8¢/kWh.

Wattage

1800 W

Per day

$0.30

Per month

$9

Per year

$110

Figures assume ~1800W for ~1 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

Open the cost calculator

Other appliances

Frequently asked questions

How much does it cost to run a dishwasher?

About $0.30 per day, $9 per month, or $110 per year at the U.S. average of 16.8¢/kWh, assuming ~1800W for ~1 hours a day.

How many watts does a dishwasher use?

A typical dishwasher draws about 1800 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 dishwasher?

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.