How many gigajoules in 1 hectowatt-hour? The answer is 0.00036. We assume you are converting between gigajoule and hectowatt hour. You can view more details on each measurement unit: gigajoules or hectowatt-hour The SI derived unit for energy is the joule. 1 joule is equal to 1.0E-9 gigajoules, or 2.7777777777778E-6 hectowatt-hour. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between gigajoules and hectowatt hours. Type in your own numbers in the form to convert the units!
1 gigajoules to hectowatt-hour = 2777.77778 hectowatt-hour
2 gigajoules to hectowatt-hour = 5555.55556 hectowatt-hour
3 gigajoules to hectowatt-hour = 8333.33333 hectowatt-hour
4 gigajoules to hectowatt-hour = 11111.11111 hectowatt-hour
5 gigajoules to hectowatt-hour = 13888.88889 hectowatt-hour
6 gigajoules to hectowatt-hour = 16666.66667 hectowatt-hour
7 gigajoules to hectowatt-hour = 19444.44444 hectowatt-hour
8 gigajoules to hectowatt-hour = 22222.22222 hectowatt-hour
9 gigajoules to hectowatt-hour = 25000 hectowatt-hour
10 gigajoules to hectowatt-hour = 27777.77778 hectowatt-hour
You can do the reverse unit conversion from hectowatt-hour 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).
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