UnitCon

Torque

Torque is rotational force. It is used in automotive engine ratings, bolt tightening specifications, hand tools, and machine design. This converter makes it easy to compare SI and customary torque values without mental math. It is useful for mechanics, technicians, and engineers alike.

Common conversions

FromTo
1 Pound-force·Foot1.355818 Newton-meter
1 Newton-meter0.7375621 Pound-force·Foot
1 Pound-force·Inch0.1129848 Newton-meter
400 Pound-force·Foot542.3272 Newton-meter
20 Newton-meter177.0149 Pound-force·Inch
1 Kilogram-force·Meter9.80665 Newton-meter
100 Newton-meter73.75621 Pound-force·Foot
250 Pound-force·Inch28.24621 Newton-meter

Frequently asked questions

Multiply pound-feet by 1.35582 to get newton-meters. To reverse the conversion, divide by the same factor.

Torque measures twisting force, while horsepower measures the rate of doing work. Engine performance discussions often use both because they describe different aspects of output.

Engine torque is often shown in lb-ft in the US and N·m in many other markets. Service manuals may also use in-lb for smaller fasteners.

400 lb-ft is about 542 N·m. That is a common performance-engine reference point.

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