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horsepower (550 ft-lbf/s)
Symbol:  HP 
Category:  Power (Heat flow) 
SI Equivalent:  745.7 W
Dimension ML2T-3 
System:  US 
Convert     HP  
1 HP =
Power (Heat flow)
  Symbol Unit Name
7.457×109  aW  abwatt (emu of power) 
2544.43  Btu (IT)/h  British thermal unit (IT) per hour 
42.4072  Btu (IT)/min  British thermal unit (IT) per minute 
0.706787  Btu (IT)/s  British thermal unit (IT) per second 
2546.14  Btu (therm.)/h  British thermal unit (therm.) per hour 
42.4356  Btu (therm.)/min  British thermal unit (therm.) per minute 
0.70726  Btu (therm.)/s  British thermal unit (therm.) per second 
6.41196×105  cal (IT)/h  calorie (IT) per hour 
1.06866×104  cal (IT)/min  calorie (IT) per minute 
178.11  cal (IT)/s  calorie (IT) per second 
4.59678×105  cal (therm.)/h  calorie (therm.) per hour 
1.06936×104  cal (therm.)/min  calorie (therm.) per minute 
178.227  cal (therm.)/s  calorie (therm.) per second 
1.01387  cv, HP  cheval-vapeur (horsepower) 
7.457×109  dyn-cm/s  dyne-centimeter per second 
7.457×109  erg/s  erg per second 
1.98×106  ft-lbf/h  foot-pound force per hour 
3.3×104  ft-lbf/min  foot-pound force per minute 
550  ft-lbf/s  foot-pound force per second 
1.76957×104  ft-pdl/s  foot-poundal per second 
7.60181×10-2  HP  horsepower (boiler) 
BHP, hp  horsepower (British) 
1.01387  cv, HP  horsepower (cheval-vapeur) 
1.01387  HP  horsepower (metric) 
0.99954  HP  horsepower (water) 
76.0402  kgf-m/s  kilogram force-meter per second 
0.7457  kW  kilowatt 
7.60402    prony 
0.190099  CTR (UK)  ton (refrigeration, UK) 
0.212039  CTR (US)  ton (refrigeration, US) 
745.7  VA  volt-ampere 
745.7  W  watt 
745.558  W  watt (int. mean) 
745.577  W  watt (int. US)