## Convert exajoule to zettawatthour

 exajoule zettawatthour

How many exajoule in 1 zettawatthour? The answer is 3600000. We assume you are converting between exajoule and zettawatthour. You can view more details on each measurement unit: exajoule or zettawatthour The SI derived unit for energy is the joule. 1 joule is equal to 1.0E-18 exajoule, or 2.7777777777778E-25 zettawatthour. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between exajoules and zettawatthour. Type in your own numbers in the form to convert the units!

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## Definition: Exajoule

The SI prefix "exa" represents a factor of 1018, or in exponential notation, 1E18.

So 1 exajoule = 1018 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).

## Definition: Zettawatthour

The SI prefix "zetta" represents a factor of 1021, or in exponential notation, 1E21.

So 1 zettawatthour = 1021 .

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