How many gigawatt-hour in 1 GJ? The answer is 0.00027777777777778. We assume you are converting between gigawatt hour and gigajoule. You can view more details on each measurement unit: gigawatt-hour or GJ The SI derived unit for energy is the joule. 1 joule is equal to 2.7777777777778E-13 gigawatt-hour, or 1.0E-9 GJ. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between gigawatt hours and gigajoules. Type in your own numbers in the form to convert the units!
1 gigawatt-hour to GJ = 3600 GJ
2 gigawatt-hour to GJ = 7200 GJ
3 gigawatt-hour to GJ = 10800 GJ
4 gigawatt-hour to GJ = 14400 GJ
5 gigawatt-hour to GJ = 18000 GJ
6 gigawatt-hour to GJ = 21600 GJ
7 gigawatt-hour to GJ = 25200 GJ
8 gigawatt-hour to GJ = 28800 GJ
9 gigawatt-hour to GJ = 32400 GJ
10 gigawatt-hour to GJ = 36000 GJ
You can do the reverse unit conversion from GJ to gigawatt-hour, or enter any two units below:
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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