## ››Convert yoctojoule to zettawatthour

 yoctojoule zettawatthour

How many yoctojoule in 1 zettawatthour? The answer is 3.6E+48.
We assume you are converting between yoctojoule and zettawatthour.
You can view more details on each measurement unit:
yoctojoule or zettawatthour
The SI derived unit for energy is the joule.
1 joule is equal to 1.0E+24 yoctojoule, 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 yoctojoules and zettawatthour.
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## ››Definition: Yoctojoule

The SI prefix "yocto" represents a factor of 10-24, or in exponential notation, 1E-24.

So 1 yoctojoule = 10-24 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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