Your microwave oven should be rated in Watts (W) or Kilowatts (kW) if it is a commercial oven. To find out what your microwave costs to run, look-up its' power specification, and what setting you have it at, then use our energy calculator to see how much it will cost to run per minute.
Power Rating
Cost/ 5 mins
Cost/ 15 mins
Cost/ 30 mins
Cost/ 60 mins
700W
0.81p
2.44p
4.89p
9.78p
800W
0.93p
2.79p
5.59p
11.18p
900W
1.05p
3.14p
6.29p
12.57p
1000W
1.16p
3.49p
6.99p
13.97p
1200W
1.40p
4.19p
8.38p
16.76p
1500W
1.75p
5.24p
10.48p
20.95p
*based the National Average rate of 13.97p/kWh (Dec 2009 tariff) for a unit of electricity.