How many joule in 1 zettawatthour?
The answer is 3.6E+24.
We assume you are converting between joule and zettawatthour.
You can view more details on each measurement unit: joule or
zettawatthour
The SI derived unit for energy is the joule.
1 joule is equal to 2.7777777777778E-25 zettawatthour.
Note that rounding errors may occur, so always check the results.
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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
10^{21}, or in exponential notation, 1E21.

So 1 zettawatthour = 10^{21} .

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