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Microwave Oven Electricity Cost Calculator

Microwave ovens are rated in Watts (W) or Kilowatts (kW) if it is a commercial oven. To find out your oven's running cost, look-up the power output (usually found on the back of the machine or in the manual) then use our energy calculator below to see approximately how much it costs to run per minute.

Select tariff:
Or: 
Power Output Per 5 mins Per 15 mins Per 30 mins Per 60 mins
700W ~£0.02
82W
~£0.07
245W
~£0.14
490W
~£0.28
980W
800W ~£0.03
93W
~£0.08
280W
~£0.16
560W
~£0.32
1120W
900W ~£0.03
105W
~£0.09
315W
~£0.18
630W
~£0.37
1260W
1000W (1kW) ~£0.03
117W
~£0.10
350W
~£0.20
700W
~£0.41
1400W
1200W (1.2kW) ~£0.04
140W
~£0.12
420W
~£0.24
840W
~£0.49
1680W
1500W (1.5kW) ~£0.05
175W
~£0.15
525W
~£0.30
1050W
~£0.61
2100W

*Microwaves energy input in Watts is usually more than its output in Watts, please check your user manual. On average a microwave will use 30% to 50% more energy than the rated output.

Electricity costs are calculated using the UK: Price Cap (Jan 2024) electricity rate of £0.29 per kWh (incl. VAT).

Compare microwave oven prices

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Microwave Oven Prices

Microwave power:
700W Microwave Ovens
850W Microwave Ovens
1200W Microwave Ovens

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