| Did you mean to convert | horsepower hour | to | calorie [15 °C] calorie [I.T.] calorie [nutritional] calorie [thermochemical] |
How many horsepower hour in 1 cal? 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 cal The SI derived unit for energy is the joule. 1 joule is equal to 3.7250614122937E-7 horsepower hour, or 0.23890295761862 cal. 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 cal = 641339.64833 cal
2 horsepower hour to cal = 1282679.29667 cal
3 horsepower hour to cal = 1924018.945 cal
4 horsepower hour to cal = 2565358.59334 cal
5 horsepower hour to cal = 3206698.24167 cal
6 horsepower hour to cal = 3848037.89001 cal
7 horsepower hour to cal = 4489377.53834 cal
8 horsepower hour to cal = 5130717.18668 cal
9 horsepower hour to cal = 5772056.83501 cal
10 horsepower hour to cal = 6413396.48335 cal
You can do the reverse unit conversion from cal to horsepower hour, or enter any two units below:
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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