Convert kilowatt-hours to zettawatthour -
Conversion of Measurement Units

Convert kilowatt hour to zettawatthour

More information from the unit converter

How many kilowatt-hours in 1 zettawatthour?
The answer is 1.0E+18.
We assume you are converting between kilowatt hour and zettawatthour.
You can view more details on each measurement unit: kilowatt-hours or
zettawatthour
The SI derived unit for energy is the joule.
1 joule is equal to 2.7777777777778E-7 kilowatt-hours, 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 kilowatt hours and zettawatthour.
Type in your own numbers in the form to convert the units!

The SI prefix "zetta" represents a factor of
10^{21}, or in exponential notation, 1E21.

So 1 zettawatthour = 10^{21} .

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