How many megaton in 1 zettawatthour? The answer is 860420650.0956. We assume you are converting between megaton [explosive] and zettawatthour. You can view more details on each measurement unit: megaton or zettawatthour The SI derived unit for energy is the joule. 1 joule is equal to 2.3900573613767E-16 megaton, 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 megatons and zettawatthour. Type in your own numbers in the form to convert the units!
You can do the reverse unit conversion from zettawatthour to megaton, 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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