A microwave oven is a common kitchen appliance used for heating or cooking food by utilizing electromagnetic radiation. Compact microwaves use between 500 and 800 watts during heating, while a regular sized microwave will use 850 to 1800 watts depending on the model. An average modern microwave will use around 1200 watts.
Click calculate to find the energy consumption of a microwave oven using 1200 Watts for 30 minutes a day @ $0.10 per kWh.
Hours Used Per Day: Enter how many hours the device is being used on average per day, if the power consumption is lower than 1 hour per day enter as a decimal. (For example: 30 minutes per day is 0.5)
Power Use (Watts): Enter the average power consumption of the device in watts.
Price (kWh): Enter the cost you are paying on average per kilowatt hour, our caculators use the default value of 0.10 or 10 cents. To find an exact price check your electricity bill or take a look at Global Electricity Prices.
In addition to using energy while cooking or heating, a microwave will also use 2 to 7 watts of power while in standby mode. This energy is used to display the clock and to wait for a user command. In a single year a microwave using 4 watts in 24/7 standby mode will use 35 kWh, this is not a significant amount of electricity but if you are away for a considerable amount of time you may consider unplugging your microwave to conserve energy.
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