Horsepower

Mechanical engineering unit of power.

Originally defined by James Watt as 33000 ft lb of work done by a horse in 1 minute.

*Conversions*
1 horsepower (hp)	=	550 ft lbf s^-1	1 hp	=	33000 ft lbf min^-1
1 hp	=	745.7 W	1 hp	=	1.014 metric horsepower (PS or ch)
1 hp	=	2546 Btu h^-1	1 hp	=	42.433 Btu min^-1
1 hp	=	0.178 kg cal s^-1	1 hp	=	641.6 kg cal h^-1

Subjects:

Mechanical Engineering