How many giga joules 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: giga joules or megawatt-hour The SI derived unit for energy is the joule. 1 joule is equal to 1.0E-9 giga joules, 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 giga joules to megawatt-hour = 0.27778 megawatt-hour
5 giga joules to megawatt-hour = 1.38889 megawatt-hour
10 giga joules to megawatt-hour = 2.77778 megawatt-hour
20 giga joules to megawatt-hour = 5.55556 megawatt-hour
30 giga joules to megawatt-hour = 8.33333 megawatt-hour
40 giga joules to megawatt-hour = 11.11111 megawatt-hour
50 giga joules to megawatt-hour = 13.88889 megawatt-hour
75 giga joules to megawatt-hour = 20.83333 megawatt-hour
100 giga joules to megawatt-hour = 27.77778 megawatt-hour
You can do the reverse unit conversion from megawatt-hour to giga joules, 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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