How many gigawatt-hour in 1 zettajoule?
The answer is 277777777.77778.
We assume you are converting between gigawatt hour and zettajoule.
You can view more details on each measurement unit:
gigawatt-hour or zettajoule
The SI derived unit for energy is the joule.
1 joule is equal to 2.7777777777778E-13 gigawatt-hour, or 1.0E-21 zettajoule.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between gigawatt hours and zettajoules.
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You can do the reverse unit conversion from zettajoule to gigawatt-hour, or enter any two units below:
gigawatt-hour to kilocalorie
gigawatt-hour to decijoule
gigawatt-hour to gigacalorie
gigawatt-hour to megaelectron volt
gigawatt-hour to megajoule
gigawatt-hour to Q unit
gigawatt-hour to gigajoule
gigawatt-hour to attojoule
gigawatt-hour to dekatherm
gigawatt-hour to quad
The SI prefix "zetta" represents a factor of 1021, or in exponential notation, 1E21.
So 1 zettajoule = 1021 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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