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horsepower (water)
Symbol:  HP 
Category:  Power (Heat flow) 
SI Equivalent:  746.043 W
Dimension ML2T-3 
System:  US 
Convert     HP  
1 HP =
Power (Heat flow)
  Symbol Unit Name
7.46043×109  aW  abwatt (emu of power) 
2545.6  Btu (IT)/h  British thermal unit (IT) per hour 
42.4267  Btu (IT)/min  British thermal unit (IT) per minute 
0.707112  Btu (IT)/s  British thermal unit (IT) per second 
2547.31  Btu (therm.)/h  British thermal unit (therm.) per hour 
42.4551  Btu (therm.)/min  British thermal unit (therm.) per minute 
0.707586  Btu (therm.)/s  British thermal unit (therm.) per second 
6.41491×105  cal (IT)/h  calorie (IT) per hour 
1.06915×104  cal (IT)/min  calorie (IT) per minute 
178.192  cal (IT)/s  calorie (IT) per second 
4.5989×105  cal (therm.)/h  calorie (therm.) per hour 
1.06985×104  cal (therm.)/min  calorie (therm.) per minute 
178.309  cal (therm.)/s  calorie (therm.) per second 
1.01434  cv, HP  cheval-vapeur (horsepower) 
7.46043×109  dyn-cm/s  dyne-centimeter per second 
7.46043×109  erg/s  erg per second 
1.98091×106  ft-lbf/h  foot-pound force per hour 
3.30152×104  ft-lbf/min  foot-pound force per minute 
550.253  ft-lbf/s  foot-pound force per second 
1.77039×104  ft-pdl/s  foot-poundal per second 
1.00046  HP  horsepower (550 ft-lbf/s) 
7.60531×10-2  HP  horsepower (boiler) 
1.00046  BHP, hp  horsepower (British) 
1.01434  cv, HP  horsepower (cheval-vapeur) 
1.01434  HP  horsepower (metric) 
76.0752  kgf-m/s  kilogram force-meter per second 
0.746043  kW  kilowatt 
7.60752    prony 
0.190186  CTR (UK)  ton (refrigeration, UK) 
0.212137  CTR (US)  ton (refrigeration, US) 
746.043  VA  volt-ampere 
746.043  W  watt 
745.901  W  watt (int. mean) 
745.92  W  watt (int. US)