How many watthour in 1 kilojoule?
The answer is 0.27777777777778.
We assume you are converting between watthour and kilojoule.
You can view more details on each measurement unit:
watthour or kilojoule
The SI derived unit for energy is the joule.
1 joule is equal to 0.00027777777777778 watthour, or 0.001 kilojoule.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between watthour and kilojoules.
Type in your own numbers in the form to convert the units!
1 watthour to kilojoule = 3.6 kilojoule
5 watthour to kilojoule = 18 kilojoule
10 watthour to kilojoule = 36 kilojoule
15 watthour to kilojoule = 54 kilojoule
20 watthour to kilojoule = 72 kilojoule
25 watthour to kilojoule = 90 kilojoule
30 watthour to kilojoule = 108 kilojoule
40 watthour to kilojoule = 144 kilojoule
50 watthour to kilojoule = 180 kilojoule
You can do the reverse unit conversion from kilojoule to watthour, or enter any two units below:
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watthour to cheval vapeur heure
The SI prefix "kilo" represents a factor of 103, or in exponential notation, 1E3.
So 1 kilojoule = 103 joules.
The definition of a joule is as follows:
The joule (symbol J, also called newton meter, watt second, or coulomb volt) is the SI unit of energy and work. The unit is pronounced to rhyme with "tool", and is named in honor of the physicist James Prescott Joule (1818-1889).
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