Common conversions
- 1 HP = 0.7457 kW · 1 kW = 1.341 HP
- 1 lb·ft = 1.3558 Nm · 1 Nm = 0.7376 lb·ft
- HP = Nm × RPM ÷ 7121 (metric formula)
- kW = Nm × RPM ÷ 9549
Horsepower ↔ torque calculator
HP = Torque (lb·ft) × RPM ÷ 5252 · Torque (Nm) = HP × 7121 ÷ RPM. At 5252 RPM, HP and lb·ft are numerically equal (where dyno curves cross).
Horsepower
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Kilowatts
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Torque (Nm)
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Torque (lb·ft)
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