Calculate torque from power and RPM or power from torque and speed. Supports electric motors, engines, pumps. Instant conversion between Nm, lb-ft, kW, HP.
Featured: Nm • lb-ft • kW • HP • Efficiency
Constant power curve
Enter values to calculate torque/power
1 HP motor @ 1440 RPM: ~5 Nm
10 kW @ 3000 RPM: ~32 Nm
High torque low speed: Gear motors
Induction motors: 85–95%
PM/BLDC: 90–98%
Include gearbox losses