A kilowatt-hour is a basic unit of energy which is equal to power 1000 watts times time hour. Multiply the kilowatt use by the number of hours. The energy E in kilowatt-hour kWh is equal to the power P in kilowatts kW times the time period t in hours hr.
Convert Watt-Hours to Kilowatts Device Usage Wh 1000 WhkWh Device Usage in kWh.
In this situation look for an. Kilowatt Hour Cost Definition. The following formula is used to calculate KWH. If you have noticed that your electric utility bills have been steadily increasing you can easily figure out how much each of your appliances and other gadgets costs to run.