Power & Efficiency Calculator
Calculate mechanical power, work, and efficiency. Convert between watts, horsepower, and other units.
Power
100W
Watts
0.1kW
Kilowatts
0.1341hp
Horsepower
Work: 1000 J
Time: 10 s
Unit Conversions
ft-lb/s: 73.7572
BTU/hr: 341.2

Formulas

P = W/t = Fv
eta = useful output / total input
1 hp = 745.7 W

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