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How Much Does a Microwave Cost to Run?

A microwave draws about 1,000–1,200 watts but typically runs for only minutes at a time. It's one of the most energy-efficient ways to heat food.

watts
hrs/day
$/kWh

Daily Cost

$0.05

0.3 kWh

Monthly Cost

$1.44

9.0 kWh

Yearly Cost

$17.52

109.5 kWh

For perspective...

At $17.52/year, this costs about the same as 3 streaming service months. A minor line item.

Energy-Saving Tips for Your Microwave

  • Microwaving uses 80% less energy than a conventional oven for reheating
  • Cover food to retain moisture and reduce heating time
  • Unplug it if the clock display bothers you — the standby draw is minimal but adds up over a year