Convert torque units — Newton-meter, pound-force foot, kilogram-force meter and more.
| Unit | Name | Value |
|---|---|---|
| kN·m | Kilonewton-meter | 0.001 |
| lbf·ft | Pound-force Foot | 0.73756103 |
| lbf·in | Pound-force Inch | 8.8507324 |
| kgf·m | Kilogram-force Meter | 0.10197162 |
| kgf·cm | Kilogram-force Centimeter | 10.197162 |
| dyn·cm | Dyne-centimeter | 10000000 |
Formula: Pound-force Foot = Newton-meter × 0.7376
Multiply any Newton-meter value by 0.7376 to get Pound-force Foot.
Reverse: Newton-meter = Pound-force Foot × 1.356
Common torque values — factor: 1 N·m = 0.7376 lbf·ft
| Newton-meter (N·m) | Pound-force Foot (lbf·ft) | Context |
|---|---|---|
| 0.001 N·m | 0.0007376 lbf·ft | Tiny mechanism |
| 0.01 N·m | 0.007376 lbf·ft | Small spring |
| 0.1 N·m | 0.07376 lbf·ft | Small screw |
| 1 N·m | 0.7376 lbf·ft | 1 N·m reference |
| 5 N·m | 3.688 lbf·ft | 5 N·m small engine |
| 10 N·m | 7.376 lbf·ft | Bike bolt |
| 50 N·m | 36.88 lbf·ft | Small engine idle |
| 100 N·m | 73.76 lbf·ft | Small car engine |
| 200 N·m | 147.5 lbf·ft | Mid-size car engine |
| 400 N·m | 295 lbf·ft | Performance car |
| 500 N·m | 368.8 lbf·ft | Large engine |
| 1000 N·m | 737.6 lbf·ft | 1 kN·m heavy |
| 5000 N·m | 3688 lbf·ft | 5 kN·m industrial |
| 1e+04 N·m | 7376 lbf·ft | 10 kN·m gearbox |
| 4e+06 N·m | 2.95e+06 lbf·ft | 4 MN·m wind turbine |
N·m × 0.7376 = lbf·ft. Round to × 0.738.
1 N·m ≈ 0.738 lbf·ft. 100 N·m = 73.8 lbf·ft. 400 N·m ≈ 295 lbf·ft.
lbf·ft × 1.356 = N·m.
Specifies engine torque output, drivetrain components, and wheel bolt torque in N·m and lbf·ft.
Designs fastener assemblies with torque specifications to achieve required bolt preload.
Selects motors and servos based on torque ratings in N·m or kgf·cm for joint actuation.
Calculates bending moments in beams and frames — moment = torque in structural analysis.
Follows torque charts in lbf·in and lbf·ft for airframe and engine fasteners per maintenance manuals.
Applies correct torque to flanges, pipe fittings, and coupling bolts using calibrated torque wrenches.
The newton-meter (N·m) is the SI unit of torque (and also of energy — though context distinguishes them). It equals the torque produced by a force of one newton applied at a perpendicular distance of one meter from the pivot point. It was formally adopted with the SI system in 1960.
N·m is the universal torque unit in engineering specifications worldwide. Engine torque, fastener torque specifications, structural bolt preloads, and industrial machinery torque ratings all use N·m in metric specifications.
Interesting fact: 1 N·m of torque equals 1 joule of energy — but they are conceptually different: torque is a rotational force (vector), energy is a scalar. The same unit is used because both involve force × distance, just in different geometric contexts.
Pound-force foot (lbf·ft) is the standard Imperial torque unit in the United States, defined as the torque from a one pound-force applied one foot from the pivot. One lbf·ft = 1.35582 N·m.
lbf·ft dominates US automotive engineering: engine torque curves, wheel bolt torque specs, driveshaft specifications, and transmission ratings. A typical passenger car engine produces 150–300 lbf·ft; performance trucks can exceed 1,000 lbf·ft.
Interesting fact: The world's highest production-car torque record is held by the Dodge Ram TRX at 650 lbf·ft (881 N·m). Electric motors can deliver maximum torque instantly — Tesla Model S Plaid produces 1,020 lbf·ft (1,383 N·m).
Converting Newton-meter to Pound-force Foot is common across automotive, mechanical, robotics, and structural engineering. Metric countries use N·m and kN·m; the US uses lbf·ft and lbf·in; robotics uses kgf·cm. Accurate conversion is essential when working with international workshop manuals, equipment specs, and torque wrenches.
Quick reference: 10 N·m = 7.376 lbf·ft. Reverse: 1 lbf·ft = 1.356 N·m. Exact factor: 1 N·m = 0.7376 lbf·ft.
All conversions use IEEE 754 double-precision arithmetic, accurate to at least 8 significant figures.