How many watthour in 1 kilowatt-hour? The answer is 1000. We assume you are converting between watthour and kilowatt hour. You can view more details on each measurement unit: watthour or kilowatt-hour The SI derived unit for energy is the joule. 1 joule is equal to 0.00027777777777778 watthour, or 2.7777777777778E-7 kilowatt-hour. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between watthour and kilowatt hours. Type in your own numbers in the form to convert the units!
1 watthour to kilowatt-hour = 0.001 kilowatt-hour
10 watthour to kilowatt-hour = 0.01 kilowatt-hour
50 watthour to kilowatt-hour = 0.05 kilowatt-hour
100 watthour to kilowatt-hour = 0.1 kilowatt-hour
200 watthour to kilowatt-hour = 0.2 kilowatt-hour
500 watthour to kilowatt-hour = 0.5 kilowatt-hour
1000 watthour to kilowatt-hour = 1 kilowatt-hour
You can do the reverse unit conversion from kilowatt-hour to watthour, or enter any two units below:
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