Engineering

Torque Calculator

Calculate torque from force, lever arm, and angle.

Last validated: 2026-02-14

Torque Calculator computes torque from force and lever arm or solves for missing related variables. It is useful for mechanical setup, wrench selection, and rotational system checks. The tool provides quick rotational load estimates. Use it for planning and troubleshooting mechanical operations.

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Input Pattern

Enter values in the left panel, keep units explicit, run the calculation, then copy or share the result. Invalid fields are highlighted immediately.

Torque Inputs

Result

Torque: 42.000000 N·m

How to use this tool

Enter known force and lever-arm distance (or other required values).
Run the tool to compute torque.
Check output against component limits and required tightening specs.

Worked Example

Auto-generated from the tool's current default or entered inputs.

Example Inputs

Force n: 120.0
Lever arm m: 0.35
Angle degrees: 90.0
Torque nm: 42.0

Expected Outputs

Force n: 120
Lever arm m: 0.35
Angle degrees: 90
Torque nm: 42

Interpretation

Force n is 120.0. Use this as a decision input, not as a standalone conclusion.
Lever arm m is 0.35. Use this as a decision input, not as a standalone conclusion.
Angle degrees is 90.0. Use this as a decision input, not as a standalone conclusion.
Confirm unit consistency and operational constraints before applying this result in production or field conditions.

Scenario Compare (A vs B)

Use this to compare two input sets and quantify change in key outputs.

Confidence and limitations

Outputs are deterministic formula results and depend entirely on input quality and units.
Results are for planning and learning; verify with domain standards before safety-critical use.
Use as a quick estimate only; validate against codes, tolerances, and project constraints.

Formula References

First-order engineering design formulas and unit conversions.
Results are quick estimates, not code-compliance validation.

Assumptions

Outputs are deterministic formula results and depend entirely on input quality and units.
Results are for planning and learning; verify with domain standards before safety-critical use.
Use as a quick estimate only; validate against codes, tolerances, and project constraints.

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