How many wattsecond in 1 zettajoule?
The answer is 1.0E+21.
We assume you are converting between wattsecond and zettajoule.
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wattsecond or zettajoule
The SI derived unit for energy is the joule.
1 joule is equal to 1 wattsecond, or 1.0E-21 zettajoule.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between wattsecond and zettajoules.
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You can do the reverse unit conversion from zettajoule to wattsecond, or enter any two units below:
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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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