How Much Does a Microwave Cost to Run?

A microwave costs approximately $34/year to run at $0.16/kWh. That is $2.80/month or $0.192/hour.

💰 Microwave Running Cost Calculator

$0.16/kWh
0.5 hrs
350
Per Hour
$0.192
Per Day
$0.10
Per Month
$2.80
Per Year
$34
5-Year Cost
$168
kWh/Year
210

Based on 1200W rated power. Actual varies by model and usage.

Microwave Cost at Different Rates

RateMonthlyAnnual
$0.08$1.42$17
$0.10$1.75$21
$0.12$2.08$25
$0.16$2.83$34
$0.20$3.50$42
$0.25$4.42$53
$0.30$5.25$63
$0.35$6.17$74

Microwave Energy Usage Explained

A microwave consumes 1200W. At 0.5 hours/day for 350 days/year, that is 210 kWh annually — about 2.0% of average US household usage (10,500 kWh).

How to Calculate Running Cost

Cost = (Watts ÷ 1000) × Hours × Rate

For your microwave: (1200W ÷ 1000) × 0.5 hrs × $0.16/kWh = $0.10/day.

Tips to Reduce Costs

Use time-of-use electricity plans for off-peak rates ($0.05–$0.10/kWh overnight). Upgrade to Energy Star certified models. Use smart plugs or timers. Check rates in your state with our Electricity Cost Calculator.

Disclaimer: Estimates based on rated wattage. Actual consumption varies by model, age, and usage patterns.

Frequently Asked Questions