How many watthour in 1 kilojoules?
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
kilojoules
The SI derived unit for energy is the joule.
1 joule is equal to 0.00027777777777778 watthour, or 0.001 kilojoules.
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!

››Quick conversion chart of watthour to kilojoules

1 watthour to kilojoules = 3.6 kilojoules

5 watthour to kilojoules = 18 kilojoules

10 watthour to kilojoules = 36 kilojoules

15 watthour to kilojoules = 54 kilojoules

20 watthour to kilojoules = 72 kilojoules

25 watthour to kilojoules = 90 kilojoules

30 watthour to kilojoules = 108 kilojoules

40 watthour to kilojoules = 144 kilojoules

50 watthour to kilojoules = 180 kilojoules

››Want other units?

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

The SI prefix "kilo" represents a factor of
10^{3}, or in exponential notation, 1E3.

So 1 kilojoule = 10^{3} 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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