Torque Calculator
Torque = Force × Distance (N·m, ft·lb)
τ = F × d
Torque
📚 Learn more — how it works, FAQ & guide Click to expand
Learn more — how it works, FAQ & guide
Click to expand
Torque calculator
Calculate torque from force × distance. Multi-unit output.
How to use this tool
- 1
Enter force
Force applied perpendicular to lever arm.
- 2
Enter distance
Lever arm from axis of rotation to force.
- 3
See torque
In multiple units (N·m, ft·lb, in·lb).
Frequently Asked Questions
Torque formula
τ = F × d. Force times perpendicular distance. When force is at angle θ: τ = F × d × sin(θ).
Common unit conversions
1 N·m = 0.738 ft·lb = 8.85 in·lb. 1 ft·lb = 12 in·lb = 1.356 N·m.
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