Physics Torque Calculator
Calculate torque from force, lever arm, and angle.
Quick answer: enter your details below and click Calculate Torque — your result appears instantly, right here in your browser. Nothing you enter is uploaded or stored.
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Enter your details below.
How to use
- Enter the values in the labelled units.
- Click Calculate Torque.
- Read the result and its formula.
About this tool
Enter force in newtons, lever-arm length in metres, and the angle in degrees. Torque is force times lever arm times sin(angle). All physics tools here use standard textbook formulas, labelled as such.
Frequently asked questions
What units should I use?
Use the units on the labels (kg, m, s, N, J, W) so the formula's result comes out in standard units.
Is this exact?
The formula is standard textbook physics; real measurements carry their own errors, but the arithmetic is exact.