## ››Convert zettajoule to kilowatt hour

 zettajoule kilowatt-hour

How many zettajoule in 1 kilowatt-hour? The answer is 3.6E-15.
We assume you are converting between zettajoule and kilowatt hour.
You can view more details on each measurement unit:
zettajoule or kilowatt-hour
The SI derived unit for energy is the joule.
1 joule is equal to 1.0E-21 zettajoule, or 2.7777777777778E-7 kilowatt-hour.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between zettajoules and kilowatt hours.
Type in your own numbers in the form to convert the units!

## ››Quick conversion chart of zettajoule to kilowatt-hour

1 zettajoule to kilowatt-hour = 2.7777777777778E+14 kilowatt-hour

2 zettajoule to kilowatt-hour = 5.5555555555556E+14 kilowatt-hour

3 zettajoule to kilowatt-hour = 8.3333333333333E+14 kilowatt-hour

4 zettajoule to kilowatt-hour = 1.1111111111111E+15 kilowatt-hour

5 zettajoule to kilowatt-hour = 1.3888888888889E+15 kilowatt-hour

6 zettajoule to kilowatt-hour = 1.6666666666667E+15 kilowatt-hour

7 zettajoule to kilowatt-hour = 1.9444444444444E+15 kilowatt-hour

8 zettajoule to kilowatt-hour = 2.2222222222222E+15 kilowatt-hour

9 zettajoule to kilowatt-hour = 2.5E+15 kilowatt-hour

10 zettajoule to kilowatt-hour = 2.7777777777778E+15 kilowatt-hour

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## ››Definition: Zettajoule

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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