Horsepower - Wikipedia, the free encyclopedia
Or given that 1 hp = 550 ft·lb f /s, 1 ft = 0.3048 m, 1 lb f ≈ 4.448 N, 1 J = 1 N·m, 1 W = 1 J/s: 1 hp ≈ 746 W Metric horsepower (PS, cv, hk, pk, ks, ch) [edit] The various units used to indicate this definition (PS, cv, hk, pk, ks and ch) all translate t...