Torque Converter

Convert between different torque units including newton meters and pound force feet.

Result

1 Newton Meter [N·m] = 0.737561 Pound-force Foot [lbf·ft]

Understanding Torque Units and Conversions

Torque is a fundamental physical quantity representing the rotational effect of a force. It's measured as force multiplied by the perpendicular distance from the pivot point to the line of action of the force. Torque is crucial in mechanical engineering, automotive applications, and structural analysis.

SI Metric Torque Units

The base SI unit is newton meter (N·m). Other metric units include kilonewton meters (kN·m) for large values, newton centimeters (N·cm) and newton millimeters (N·mm) for precision measurements, and kilogram-force meters (kgf·m) commonly used in engineering applications.

Imperial and US Customary Torque Units

Common imperial units include pound force foot (lbf·ft) and pound force inch (lbf·in). Ounce force foot (ozf·ft) and ounce force inch (ozf·in) are used for smaller torque values. These units are widely used in US engineering and automotive specifications.

Force-Based Units: kgf, gf, and dyne

Kilogram-force (kgf) and gram-force (gf) units multiply the force by the corresponding meter, centimeter, or millimeter. Dyne units (dyn·m, dyn·cm, dyn·mm) use the CGS (centimeter-gram-second) system where 1 dyne = 10⁻⁵ N.

Engineering Applications of Torque

Torque is essential in mechanical engineering for motor and gearbox design, automotive engineering for engine and transmission specifications, structural engineering for joint and fastener analysis, robotics for actuator sizing, and manufacturing for assembly torque requirements.

Conversion Factors and Formulas

Converting between torque units requires accounting for both force and distance conversions. For example, 1 N·m = 0.737562 lbf·ft (since 1 N = 0.224809 lbf and 1 m = 3.28084 ft). Our converter handles 17+ unit conversions with up to 6 decimal place precision.

Torque Conversion Table

UnitTo N·mTo lbf·ftTo kgf·m
1 N·m10.7375620.101972
1 N·cm0.010.0073760.001020
1 kgf·m9.806657.233011
1 lbf·ft1.3558210.138255
1 lbf·in0.1129850.0833330.011521
1 ozf·in0.0070620.0052080.000720
1 gf·cm0.0000980.0000720.000010

Common Torque Conversions

1 N·m = 0.737562 lbf·ft

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1 N·m = 0.101972 kgf·m

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1 lbf·ft = 1.35582 N·m

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1 kgf·m = 9.80665 N·m

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1 kN·m = 737.562 lbf·ft

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1 lbf·in = 0.112985 N·m

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100 N·cm = 1 N·m

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1 N·mm = 0.001 N·m

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Frequently Asked Questions About Torque Conversion