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How many horsepower hour in 1 calorie?
The answer is 1.5592362059579E-6.
We assume you are converting between horsepower hour and calorie [15 °C].
You can view more details on each measurement unit:
horsepower hour or calorie
The SI derived unit for energy is the joule.
1 joule is equal to 3.7250614122937E-7 horsepower hour, or 0.23890295761862 calorie.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between horsepower hours and calories.
Type in your own numbers in the form to convert the units!
1 horsepower hour to calorie = 641339.64833 calorie
2 horsepower hour to calorie = 1282679.29667 calorie
3 horsepower hour to calorie = 1924018.945 calorie
4 horsepower hour to calorie = 2565358.59334 calorie
5 horsepower hour to calorie = 3206698.24167 calorie
6 horsepower hour to calorie = 3848037.89001 calorie
7 horsepower hour to calorie = 4489377.53834 calorie
8 horsepower hour to calorie = 5130717.18668 calorie
9 horsepower hour to calorie = 5772056.83501 calorie
10 horsepower hour to calorie = 6413396.48335 calorie
You can do the reverse unit conversion from calorie to horsepower hour, or enter any two units below:
horsepower hour to celsius heat unit
horsepower hour to hundred cubic foot of natural gas
horsepower hour to megawatthour
horsepower hour to meter kilogram-force
horsepower hour to kilogram calorie
horsepower hour to terawatthour
horsepower hour to gigawatt-hour
horsepower hour to attojoule
horsepower hour to microjoule
horsepower hour to exawatt-hour
15 °C calorie: the amount of energy required to warm 1 g of air-free water from 14.5 °C to 15.5 °C at a constant pressure of 101.325 kPa (1 atm). Experimental values of this calorie ranged from 4.1852 J to 4.1858 J. The CIPM in 1950 published a mean experimental value of 4.1855 J, noting an uncertainty of 0.0005 J.
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