How many kilowatt-hour in 1 zettajoule?
The answer is 2.7777777777778E+14.
We assume you are converting between kilowatt hour and zettajoule.
You can view more details on each measurement unit:
kilowatt-hour or zettajoule
The SI derived unit for energy is the joule.
1 joule is equal to 2.7777777777778E-7 kilowatt-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 kilowatt hours and zettajoules.
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You can do the reverse unit conversion from zettajoule to kilowatt-hour, or enter any two units below:
kilowatt-hour to millijoule
kilowatt-hour to microjoule
kilowatt-hour to myriawatt-hour
kilowatt-hour to teraelectron volt
kilowatt-hour to gigawatt-hour
kilowatt-hour to nanojoule
kilowatt-hour to petawatthour
kilowatt-hour to foot poundal
kilowatt-hour to kilogram calorie
kilowatt-hour to hundred cubic foot of natural gas
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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