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: Kilogram-force Meter = Newton-meter × 0.102
Multiply any Newton-meter value by 0.102 to get Kilogram-force Meter.
Reverse: Newton-meter = Kilogram-force Meter × 9.807
Common torque values — factor: 1 N·m = 0.102 kgf·m
| Newton-meter (N·m) | Kilogram-force Meter (kgf·m) | Context |
|---|---|---|
| 0.001 N·m | 0.000102 kgf·m | Tiny mechanism |
| 0.01 N·m | 0.00102 kgf·m | Small spring |
| 0.1 N·m | 0.0102 kgf·m | Small screw |
| 1 N·m | 0.102 kgf·m | 1 N·m reference |
| 5 N·m | 0.5099 kgf·m | 5 N·m small engine |
| 10 N·m | 1.02 kgf·m | Bike bolt |
| 50 N·m | 5.099 kgf·m | Small engine idle |
| 100 N·m | 10.2 kgf·m | Small car engine |
| 200 N·m | 20.39 kgf·m | Mid-size car engine |
| 400 N·m | 40.79 kgf·m | Performance car |
| 500 N·m | 50.99 kgf·m | Large engine |
| 1000 N·m | 102 kgf·m | 1 kN·m heavy |
| 5000 N·m | 509.9 kgf·m | 5 kN·m industrial |
| 1e+04 N·m | 1020 kgf·m | 10 kN·m gearbox |
| 4e+06 N·m | 4.079e+05 kgf·m | 4 MN·m wind turbine |
N·m × 0.102 = kgf·m. Divide by ~9.81.
9.81 N·m = 1 kgf·m. 100 N·m = 10.2 kgf·m.
kgf·m × 9.807 = 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.
Kilogram-force meter (kgf·m) is a traditional metric torque unit where the force is expressed as the weight of one kilogram under standard gravity. One kgf·m = 9.80665 N·m. It was widely used before SI standardization.
kgf·m remains in use in older machinery manuals, Japanese and Russian engineering documentation, and some legacy industrial specifications. A torque of 1 kgf·m equals the torque from 1 kg hanging 1 meter from a pivot.
Interesting fact: The kgf·m is sometimes loosely called 'meter-kilogram' or 'kilogram-meter' in older texts. The confusion between kgf (force) and kg (mass) is why SI replaced it with the newton-meter.
Converting Newton-meter to Kilogram-force Meter 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 = 1.02 kgf·m. Reverse: 1 kgf·m = 9.807 N·m. Exact factor: 1 N·m = 0.102 kgf·m.
All conversions use IEEE 754 double-precision arithmetic, accurate to at least 8 significant figures.