To Convert:                 Into:                        Multiply By:
 ─────────────────────────── ──────────────────────────── ──────────────────
 horsepower                  btu (mean)/hour              2542.48
 horsepower                  btu/minute                   42.4356
 horsepower                  btu (mean)/second            0.706243
 horsepower                  cal., gm./hour               6.41616 X 10^5
 horsepower                  cal., gm. (IST)/hour         6.41196 X 10^5
 horsepower                  cal., gm. (mean)/hour        6.40693 X 10^5
 horsepower                  cal., gm./minute             10693.6
 horsepower                  cal., gm. (IST)/minute       10686.6
 horsepower                  cal., gm. (mean)/minute      10678.2
 horsepower                  ergs/second                  7.45700 X 10^9
 horsepower                  foot-pounds/hour             1980000.0
 horsepower                  foot-pounds/minute           33000.0
 horsepower                  foot-pounds/second           550.0
 horsepower                  horsepower (boiler)          0.0760181
 horsepower                  horsepower (electric)        0.999598
 horsepower                  horsepower (metric)          1.01387
 horsepower                  joules/second                745.700
 horsepower                  kilogram/calories/min.       10.68
 horsepower                  kilowatts                    0.745700
 horsepower                  kilowatts (international)    0.745577
 horsepower                  tons refrigeration (US com.) 0.21204
 horsepower                  watts                        745.700