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