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: Kilonewton-meter = Newton-meter × 0.001
Multiply any Newton-meter value by 0.001 to get Kilonewton-meter.
Reverse: Newton-meter = Kilonewton-meter × 1000
Common torque values — factor: 1 N·m = 0.001 kN·m
| Newton-meter (N·m) | Kilonewton-meter (kN·m) | Context |
|---|---|---|
| 0.001 N·m | 1.000e-06 kN·m | Tiny mechanism |
| 0.01 N·m | 1.000e-05 kN·m | Small spring |
| 0.1 N·m | 0.0001 kN·m | Small screw |
| 1 N·m | 0.001 kN·m | 1 N·m reference |
| 5 N·m | 0.005 kN·m | 5 N·m small engine |
| 10 N·m | 0.01 kN·m | Bike bolt |
| 50 N·m | 0.05 kN·m | Small engine idle |
| 100 N·m | 0.1 kN·m | Small car engine |
| 200 N·m | 0.2 kN·m | Mid-size car engine |
| 400 N·m | 0.4 kN·m | Performance car |
| 500 N·m | 0.5 kN·m | Large engine |
| 1000 N·m | 1 kN·m | 1 kN·m heavy |
| 5000 N·m | 5 kN·m | 5 kN·m industrial |
| 1e+04 N·m | 10 kN·m | 10 kN·m gearbox |
| 4e+06 N·m | 4000 kN·m | 4 MN·m wind turbine |
N·m ÷ 1,000 = kN·m.
1,000 N·m = 1 kN·m.
kN·m × 1,000 = 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.
The kilonewton-meter (kN·m) equals 1,000 N·m and is used for large-scale torque in structural engineering, heavy machinery, and civil infrastructure. Bridge bolts, crane slewing rings, and wind turbine gearboxes operate in the kN·m range.
Structural engineering uses kN·m for bending moments in beams, columns, and foundations. A typical car wheel bolt is torqued to about 0.1 kN·m; a large wind turbine main shaft may experience torques of 1,000–10,000 kN·m.
Interesting fact: The torque needed to loosen a rusted M24 bolt in civil construction can exceed 1 kN·m. The main rotor shaft of a 5 MW offshore wind turbine transmits over 4,000 kN·m of torque in high winds.
Converting Newton-meter to Kilonewton-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 = 0.01 kN·m. Reverse: 1 kN·m = 1000 N·m. Exact factor: 1 N·m = 0.001 kN·m.
All conversions use IEEE 754 double-precision arithmetic, accurate to at least 8 significant figures.