How many calorie [I.T.] in 1 horsepower hour?
The answer is 641186.4669915.
We assume you are converting between calorie [I.T.] and horsepower hour.
You can view more details on each measurement unit: calorie [I.T.] or
horsepower hour
The SI derived unit for energy is the joule.
1 joule is equal to 0.2388458966275 calorie [I.T.], or 3.7250614122937E-7 horsepower hour.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between calories and horsepower 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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