How many gigawatt hour in 1 megawatthour? The answer is 0.001. We assume you are converting between gigawatt hour and megawatthour. You can view more details on each measurement unit: gigawatt hour or megawatthour The SI derived unit for energy is the joule. 1 joule is equal to 2.7777777777778E-13 gigawatt hour, or 2.7777777777778E-10 megawatthour. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between gigawatt hours and megawatthour. Type in your own numbers in the form to convert the units!
1 gigawatt hour to megawatthour = 1000 megawatthour
2 gigawatt hour to megawatthour = 2000 megawatthour
3 gigawatt hour to megawatthour = 3000 megawatthour
4 gigawatt hour to megawatthour = 4000 megawatthour
5 gigawatt hour to megawatthour = 5000 megawatthour
6 gigawatt hour to megawatthour = 6000 megawatthour
7 gigawatt hour to megawatthour = 7000 megawatthour
8 gigawatt hour to megawatthour = 8000 megawatthour
9 gigawatt hour to megawatthour = 9000 megawatthour
10 gigawatt hour to megawatthour = 10000 megawatthour
You can do the reverse unit conversion from megawatthour to gigawatt hour, or enter any two units below:
The SI prefix "mega" represents a factor of 106, or in exponential notation, 1E6.
So 1 megawatthour = 106 .
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