How many calorie [I.T.] in 1 gigawatt-hour?
The answer is 859845227858.99.
We assume you are converting between calorie [I.T.] and gigawatt hour.
You can view more details on each measurement unit: calorie [I.T.] or
gigawatt-hour
The SI derived unit for energy is the joule.
1 joule is equal to 0.2388458966275 calorie [I.T.], 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 calories and gigawatt hours.
Type in your own numbers in the form to convert the units!

International Steam Table Calorie (1956): 1.163 mW h = 4.1868 J exactly. This definition was adopted by the Fifth International Conference on Properties of Steam (London, July 1956).

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