## ››Convert gigajoule to exawatt hour

 gigajoule exawatt hour

How many gigajoule in 1 exawatt hour? The answer is 3600000000000.
We assume you are converting between gigajoule and exawatt hour.
You can view more details on each measurement unit:
gigajoule or exawatt hour
The SI derived unit for energy is the joule.
1 joule is equal to 1.0E-9 gigajoule, or 2.7777777777778E-22 exawatt hour.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between gigajoules and exawatt hours.
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## ››Definition: Gigajoule

The SI prefix "giga" represents a factor of 109, or in exponential notation, 1E9.

So 1 gigajoule = 109 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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