2nd October 2019


How much power does a 60 watt light bulb use in an hour?

If you want to know about power expended over time, that is called energy and is measured in kWh. For one Hours use, it is 60 W x 1 hr = 60 Wh = .060 kWh. The cost at 10 cents per kWh would be $.006, that is 6 tenths of a cent.
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