How many zettawatthour in 1 gigawatt hours? 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 hours The SI derived unit for energy is the joule. 1 joule is equal to 2.7777777777778E-25 zettawatthour, or 2.7777777777778E-13 gigawatt hours. 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 hours = 1000000000000 gigawatt hours
2 zettawatthour to gigawatt hours = 2000000000000 gigawatt hours
3 zettawatthour to gigawatt hours = 3000000000000 gigawatt hours
4 zettawatthour to gigawatt hours = 4000000000000 gigawatt hours
5 zettawatthour to gigawatt hours = 5000000000000 gigawatt hours
6 zettawatthour to gigawatt hours = 6000000000000 gigawatt hours
7 zettawatthour to gigawatt hours = 7000000000000 gigawatt hours
8 zettawatthour to gigawatt hours = 8000000000000 gigawatt hours
9 zettawatthour to gigawatt hours = 9000000000000 gigawatt hours
10 zettawatthour to gigawatt hours = 10000000000000 gigawatt hours
You can do the reverse unit conversion from gigawatt hours 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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