How many gram calorie in 1 gigawatt-hour? The answer is 860050647427.02. We assume you are converting between gram calorie and gigawatt hour. You can view more details on each measurement unit: gram calorie or gigawatt-hour The SI derived unit for energy is the joule. 1 joule is equal to 0.23890295761862 gram calorie, 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 gram calories and gigawatt hours. Type in your own numbers in the form to convert the units!
You can do the reverse unit conversion from gigawatt-hour to gram calorie, or enter any two units below:
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