How many zettawatthour in 1 gigawatt hour? The answer is 1.0E-12. We assume you are converting between zettawatthour and gigawatt hour. You can view more details on each measurement unit: zettawatthour or gigawatt hour The SI derived unit for energy is the joule. 1 joule is equal to 2.7777777777778E-25 zettawatthour, or 2.7777777777778E-13 gigawatt hour. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between zettawatthour and gigawatt hours. Type in your own numbers in the form to convert the units!
1 zettawatthour to gigawatt hour = 1000000000000 gigawatt hour
2 zettawatthour to gigawatt hour = 2000000000000 gigawatt hour
3 zettawatthour to gigawatt hour = 3000000000000 gigawatt hour
4 zettawatthour to gigawatt hour = 4000000000000 gigawatt hour
5 zettawatthour to gigawatt hour = 5000000000000 gigawatt hour
6 zettawatthour to gigawatt hour = 6000000000000 gigawatt hour
7 zettawatthour to gigawatt hour = 7000000000000 gigawatt hour
8 zettawatthour to gigawatt hour = 8000000000000 gigawatt hour
9 zettawatthour to gigawatt hour = 9000000000000 gigawatt hour
10 zettawatthour to gigawatt hour = 10000000000000 gigawatt hour
You can do the reverse unit conversion from gigawatt hour to zettawatthour, or enter any two units below:
The SI prefix "zetta" represents a factor of 1021, or in exponential notation, 1E21.
So 1 zettawatthour = 1021 .
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