Physics calculator

Torque Calculator Formula Guide

Calculate torque from force, lever arm, and angle.

FormulaTorque = force x lever arm x sin(angle)

Formula

Torque

Torque = force x lever arm x sin(angle)

100 N at 0.5 m and 90 degrees gives 50 N m.

FAQ6 common questions for this calculator.

FAQs

Why include the torque angle?+

Only the perpendicular component of force creates torque.

What unit is torque?+

With newtons and meters, torque is in newton-meters.

How does the Torque Calculator calculate the result?+

For the Torque Calculator, it uses the Torque: Torque = force x lever arm x sin(angle). 100 N at 0.5 m and 90 degrees gives 50 N m.

What information do I need to use the Torque Calculator?+

For the Torque Calculator, enter force, lever arm, and angle. Keep the units consistent with the calculator fields and compare your setup with the worked example on the page.

How accurate is the Torque Calculator?+

Torque Calculator is accurate for the quantities and units entered into Torque. Real systems may differ when friction, losses, directions, uncertainty, or non-ideal conditions are relevant.

What should I check before using the Torque Calculator result?+

For the Torque Calculator, check force, lever arm, and angle, unit system, signs or directions, and whether the real situation matches the Torque and worked example. Idealized formulas may not include friction, losses, or uncertainty.

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Physics guide

How to use the Torque Calculator

Calculate torque from force, lever arm, and angle. The page also explains the torque and shows a practical example: 100 N at 0.5 m and 90 degrees gives 50 N m.

  1. 1

    Enter your details

    Enter force, lever arm, and angle, then complete any other fields shown in the calculator.

  2. 2

    Check the calculation

    Review the result alongside the torque: Torque = force x lever arm x sin(angle).

  3. 3

    Compare scenarios

    Change one or more inputs to see how they affect the torque Calculator result before you use the estimate.