How many gigajoules in 1 megawatthour? The answer is 3.6. We assume you are converting between gigajoule and megawatthour. You can view more details on each measurement unit: gigajoules or megawatthour The SI derived unit for energy is the joule. 1 joule is equal to 1.0E-9 gigajoules, or 2.7777777777778E-10 megawatthour. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between gigajoules and megawatthour. Type in your own numbers in the form to convert the units!
1 gigajoules to megawatthour = 0.27778 megawatthour
5 gigajoules to megawatthour = 1.38889 megawatthour
10 gigajoules to megawatthour = 2.77778 megawatthour
20 gigajoules to megawatthour = 5.55556 megawatthour
30 gigajoules to megawatthour = 8.33333 megawatthour
40 gigajoules to megawatthour = 11.11111 megawatthour
50 gigajoules to megawatthour = 13.88889 megawatthour
75 gigajoules to megawatthour = 20.83333 megawatthour
100 gigajoules to megawatthour = 27.77778 megawatthour
You can do the reverse unit conversion from megawatthour to gigajoules, 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).
The SI prefix "mega" represents a factor of 106, or in exponential notation, 1E6.
So 1 megawatthour = 106 .
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