## ››Convert kilowatt hour to zeptojoule

 kilowatt-hours zeptojoule

How many kilowatt-hours in 1 zeptojoule? The answer is 2.7777777777778E-28.
We assume you are converting between kilowatt hour and zeptojoule.
You can view more details on each measurement unit:
kilowatt-hours or zeptojoule
The SI derived unit for energy is the joule.
1 joule is equal to 2.7777777777778E-7 kilowatt-hours, or 1.0E+21 zeptojoule.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between kilowatt hours and zeptojoules.
Type in your own numbers in the form to convert the units!

## ››Quick conversion chart of kilowatt-hours to zeptojoule

1 kilowatt-hours to zeptojoule = 3.6E+27 zeptojoule

2 kilowatt-hours to zeptojoule = 7.2E+27 zeptojoule

3 kilowatt-hours to zeptojoule = 1.08E+28 zeptojoule

4 kilowatt-hours to zeptojoule = 1.44E+28 zeptojoule

5 kilowatt-hours to zeptojoule = 1.8E+28 zeptojoule

6 kilowatt-hours to zeptojoule = 2.16E+28 zeptojoule

7 kilowatt-hours to zeptojoule = 2.52E+28 zeptojoule

8 kilowatt-hours to zeptojoule = 2.88E+28 zeptojoule

9 kilowatt-hours to zeptojoule = 3.24E+28 zeptojoule

10 kilowatt-hours to zeptojoule = 3.6E+28 zeptojoule

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You can do the reverse unit conversion from zeptojoule to kilowatt-hours, or enter any two units below:

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## ››Definition: Zeptojoule

The SI prefix "zepto" represents a factor of 10-21, or in exponential notation, 1E-21.

So 1 zeptojoule = 10-21 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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