Torque Calculator
Calculate torque from engine power and rotational speed.
Torque
262.6Nm
This calculates torque at the power and RPM entered; peak torque may occur at a different engine speed.
v1.0 · Reviewed September 2026
How this is worked out
Torque in newton metres is power in kW × 9,550 ÷ engine speed in RPM. The 9,550 constant comes from 60,000 ÷ 2π.
Worked example
- 110 kW
- 4,000 RPM
110 × 9,550 ÷ 4,000
262.6 Nm
Assumptions and limits
- Gives torque at the exact power and engine speed entered. Peak torque usually occurs lower down the rev range, so this is not the quoted peak torque figure.
- Power must be in kilowatts. To use a bhp figure, convert it first.