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Power - Conversion Factors To convert from the unit in the first column to the unit in the second, multiply by the conversion factor in the third column. Example 1 Btu/hr = (1 x 0.0003929) Horsepower = 0.0003929 Horsepower To Convert To Multiply By Btu/hr Horsepower 0.0003929 Btu/hr Gram-cal/sec 0.07 Btu/hr Foot-pounds/sec 0.2162 Btu/hr Watts 0.2931 Btu/min Kilowatts 0.01757 Btu/min Horsepower 0.02356 Btu/min Foot-lbs/sec 12.96 Btu/min Watts 17.57 Foot-pounds/min Kilowatts 0.0000226 Foot-pounds/min Horsepower 0.0000303 Foot-pounds/min Kg-calories/min 0.000324 Foot-pounds/min Btu/min 0.001286 Foot-pounds/min Foot-pounds/sec 0.01667 Foot-pounds/sec Horsepower 0.000818 Foot-pounds/sec Kilowatts 0.001356 Foot-pounds/sec Btu/min 0.07717 Foot-pounds/sec Kg-calories/min 1.01945 Foot-pounds/sec Btu/hr 4.6263 Horsepower Kilowatts 0.7457 Horsepower Kg-calories/min 10.68 Horsepower Btu/min 42.44 Horsepower Foot-lbs/sec 550 Horsepower Watts 745.7 Horsepower Foot-lbs/min 33000 Horsepower (boiler) Kilowatts 9.803 Horsepower (boiler) Btu/hr 33479 Horsepower (metric) Horsepower 0.9863 Kilowatts Horsepower 1.341 Kilowatts Kg-calories/min 14.34 Kilowatts Btu/min 56.92 Kilowatts Foot-lbs/sec 737.6 Kilowatts Watts 1000 Kilowatts Foot-lbs/min 44260 Watt (international) Watt (absolute) 1.0002 Watts Kilowatts 0.001 Watts Horsepower 0.001341 Watts Horsepower (metric) 0.00136 Watts Kg-calories/min 0.01433 Watts Btu/min 0.05688 Watts Foot-lbs/sec 0.7378 Watts Btu/hr 3.4129 Watts Foot-lbs/min 44.27 Watts Erg/sec 107 Watts (absolute) Btu (mean)/min 0.056884 Watts (absolute) Joules/sec 1