›› Convert watthour to kilowatt hour


›› More information from the unit converter

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!

›› Quick conversion chart of watthour to kilowatt-hour

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

›› Want other units?

You can do the reverse unit conversion from kilowatt-hour to watthour, or enter any two units below:

Enter two units to convert


›› Common energy conversions

watthour to megacalorie
watthour to kilogram calorie
watthour to gigawatt-hour
watthour to yoctojoule
watthour to joule
watthour to ton
watthour to newton meter
watthour to kilopond meter
watthour to hartree
watthour to megalerg

›› Metric conversions and more

ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!