Convert torque units — Newton-meter, pound-force foot, kilogram-force meter and more.
| Unit | Name | Value |
|---|---|---|
| N·m | Newton-meter | 1.35582 |
| kN·m | Kilonewton-meter | 0.00135582 |
| lbf·in | Pound-force Inch | 12 |
| kgf·m | Kilogram-force Meter | 0.13825516 |
| kgf·cm | Kilogram-force Centimeter | 13.825516 |
| dyn·cm | Dyne-centimeter | 13558200 |
Formula: Dyne-centimeter = Pound-force Foot × 1.356e+07
Multiply any Pound-force Foot value by 1.356e+07 to get Dyne-centimeter.
Reverse: Pound-force Foot = Dyne-centimeter × 7.3756e-8
Common torque values — factor: 1 lbf·ft = 1.356e+07 dyn·cm
| Pound-force Foot (lbf·ft) | Dyne-centimeter (dyn·cm) | Context |
|---|---|---|
| 0.001 lbf·ft | 1.356e+04 dyn·cm | Tiny |
| 0.1 lbf·ft | 1.356e+06 dyn·cm | Small mechanism |
| 1 lbf·ft | 1.356e+07 dyn·cm | 1 lbf·ft |
| 5 lbf·ft | 6.779e+07 dyn·cm | Small fastener |
| 10 lbf·ft | 1.356e+08 dyn·cm | Wheel spoke |
| 50 lbf·ft | 6.779e+08 dyn·cm | Bicycle wheel |
| 100 lbf·ft | 1.356e+09 dyn·cm | Small engine |
| 200 lbf·ft | 2.712e+09 dyn·cm | Compact car engine |
| 300 lbf·ft | 4.067e+09 dyn·cm | Mid-size car |
| 400 lbf·ft | 5.423e+09 dyn·cm | Performance car |
| 500 lbf·ft | 6.779e+09 dyn·cm | Large V8 |
| 650 lbf·ft | 8.813e+09 dyn·cm | Record truck torque |
| 1000 lbf·ft | 1.356e+10 dyn·cm | 1,000 lbf·ft |
| 5000 lbf·ft | 6.779e+10 dyn·cm | Industrial |
| 1e+04 lbf·ft | 1.356e+11 dyn·cm | Heavy machinery |
1 lbf·ft = 1.356e+07 dyn·cm.
Use N·m as the bridge: convert lbf·ft → N·m → dyn·cm.
Multiply result by 7.3756e-8 to recover the original lbf·ft value.
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.
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).
The dyne-centimeter (dyn·cm) is the CGS unit of torque, equal to 10⁻⁷ N·m. It was the standard torque unit in the CGS system widely used in physics before SI adoption.
Dyn·cm appears in astrophysics and some older physics literature. Magnetic dipole moments of particles are sometimes expressed in dyn·cm/G. The torque on a compass needle in Earth's magnetic field is on the order of 10² dyn·cm.
Interesting fact: One N·m = 10,000,000 dyn·cm exactly. The CGS system's dyne (10⁻⁵ N) and centimeter combine to give a unit 10⁷ times smaller than the N·m, making it inconveniently small for most engineering applications.
Converting Pound-force Foot to Dyne-centimeter 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 lbf·ft = 1.356e+08 dyn·cm. Reverse: 1 dyn·cm = 7.3756e-8 lbf·ft. Exact factor: 1 lbf·ft = 1.356e+07 dyn·cm.
All conversions use IEEE 754 double-precision arithmetic, accurate to at least 8 significant figures.