Torque Calculator
Calculate torque using τ = rF sin(θ). Enter radius, force, and angle to find the torque on a rotating body.
How to Use the Torque Calculator
- Enter the lever arm distance (radius) in meters.
- Enter the applied force in newtons.
- Enter the angle between the lever arm and force vector (90° for perpendicular).
Quick Reference
| From | To |
|---|---|
| Wrench 0.3 m, 100 N, 90° | 30 N·m |
| Car lug nut | ~110 N·m |
| Bicycle pedal | ~40 N·m |
| 1 N·m | 0.7376 ft·lb |
| 1 ft·lb | 1.3558 N·m |
Use Cases
- •Calculating bolt torque for mechanical assemblies.
- •Engineering analysis of rotating machinery.
- •Physics problems involving rotational dynamics.
Formula
τ = r × F × sin(θ), where τ is torque (N·m), r is the lever arm (m), F is force (N), and θ is the angle between r and F.
Frequently Asked Questions
What is torque?
Torque is the rotational equivalent of force. It measures how much a force causes an object to rotate around an axis.
What is the unit of torque?
Torque is measured in newton-meters (N·m) in SI or foot-pounds (ft·lb) in imperial units.
Is this calculator free?
Yes, all OhMyCalc calculators are completely free.