## ››Convert nanojoule to watthour

 nanojoule watthour

How many nanojoule in 1 watthour? The answer is 3600000000000.
We assume you are converting between nanojoule and watthour.
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nanojoule or watthour
The SI derived unit for energy is the joule.
1 joule is equal to 1000000000 nanojoule, or 0.00027777777777778 watthour.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between nanojoules and watthour.
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## ››Definition: Nanojoule

The SI prefix "nano" represents a factor of 10-9, or in exponential notation, 1E-9.

So 1 nanojoule = 10-9 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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