Convert torque units — Newton-meter, pound-force foot, kilogram-force meter and more.
| Unit | Name | Value |
|---|---|---|
| N·m | Newton-meter | 0.112985 |
| kN·m | Kilonewton-meter | 0.000112985 |
| lbf·ft | Pound-force Foot | 0.083333333 |
| kgf·m | Kilogram-force Meter | 0.011521264 |
| kgf·cm | Kilogram-force Centimeter | 1.1521264 |
| dyn·cm | Dyne-centimeter | 1129850 |
Formula: Dyne-centimeter = Pound-force Inch × 1.13e+06
Multiply any Pound-force Inch value by 1.13e+06 to get Dyne-centimeter.
Reverse: Pound-force Inch = Dyne-centimeter × 8.8507e-7
Common torque values — factor: 1 lbf·in = 1.13e+06 dyn·cm
| Pound-force Inch (lbf·in) | Dyne-centimeter (dyn·cm) | Context |
|---|---|---|
| 0.5 lbf·in | 5.649e+05 dyn·cm | Tiny electronics |
| 1 lbf·in | 1.13e+06 dyn·cm | Small electronics screw |
| 5 lbf·in | 5.649e+06 dyn·cm | Electronics fastener |
| 10 lbf·in | 1.13e+07 dyn·cm | Precision instrument |
| 20 lbf·in | 2.26e+07 dyn·cm | Small assembly |
| 50 lbf·in | 5.649e+07 dyn·cm | Moderate assembly |
| 100 lbf·in | 1.13e+08 dyn·cm | Bicycle brake |
| 200 lbf·in | 2.26e+08 dyn·cm | Small motor |
| 500 lbf·in | 5.649e+08 dyn·cm | Small engine |
| 1000 lbf·in | 1.130e+09 dyn·cm | Larger motor |
| 2000 lbf·in | 2.260e+09 dyn·cm | Moderate engine |
| 5000 lbf·in | 5.649e+09 dyn·cm | Large motor |
| 1e+04 lbf·in | 1.130e+10 dyn·cm | Industrial |
| 5e+04 lbf·in | 5.649e+10 dyn·cm | Heavy industrial |
| 1e+05 lbf·in | 1.130e+11 dyn·cm | Very heavy |
1 lbf·in = 1.13e+06 dyn·cm.
Use N·m as the bridge: convert lbf·in → N·m → dyn·cm.
Multiply result by 8.8507e-7 to recover the original lbf·in 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 inch (lbf·in) equals 1/12 of lbf·ft (0.112985 N·m) and is used for small fasteners, electronics, precision instruments, and applications where lbf·ft would be impractically small.
lbf·in is standard for small fasteners in electronics manufacturing, firearms assembly, and precision instruments. Torque screwdrivers for electronics typically range from 0.5–20 lbf·in. Aircraft fastener specifications often use in·lbf.
Interesting fact: Overtorquing small electronics screws (which often need only 1–3 lbf·in) is a leading cause of cracked PCBs and stripped threads in consumer electronics assembly.
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 Inch 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·in = 1.13e+07 dyn·cm. Reverse: 1 dyn·cm = 8.8507e-7 lbf·in. Exact factor: 1 lbf·in = 1.13e+06 dyn·cm.
All conversions use IEEE 754 double-precision arithmetic, accurate to at least 8 significant figures.