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.
Per 5 mins
Per 15 mins
Per 30 mins
Per 60 mins
*based on the Average Electricity rate of 15.2p/kWh (September 2014 tariff) for a unit of electricity. 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.
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Refer to your electricity bill or your energy suppliers published tariffs (usually found on their website) to obtain the information required below.