Torque Calculator

Calculate torque from force and distance.

Enter Parameters

Select solve-for mode below

Solve For

Force (F)

Distance / Lever Arm (d)

Angle (θ)

Torque (τ)

N·m

ft·lb

in·lb

Enter your parameters above and tap Calculate to see the result.

Torque Formulas

τ = F × d × sin(θ)
F = τ / (d × sin(θ))
d = τ / (F × sin(θ))

τ: Torque (N·m)
F: Applied force (N)
d: Lever arm distance (m)
θ: Angle between F and d (degrees)
Conversions: 1 N·m = 0.7376 ft·lb = 8.851 in·lb

Related Calculators

Real-World Examples

Tightening a bolt: 5–25 N·m (hand tools)

Car lug nuts: 100–130 N·m (torque wrench)

Engine torque: 200–500 N·m (sport/performance cars)

Pro Tips

Results update as you type — change any field to see the effect immediately.

Check that every value uses the same unit before comparing results.

Use the copy button to paste the torque figures into a note or spreadsheet.

Nothing is sent to a server, so you can use this with private figures.