Torque Unit Converter
- Foot-pounds (lb-ft)
- 73.7562 lb-ft
- Newton-meters
- 100 N·m
- Kilogram-force meters
- 10.197162 kgf·m
- Inch-pounds
- 885.0744 in-lb
About the Torque Converter
Torque measures twisting force applied at a distance, fundamental to bolt tightening specs, engine crankshaft output, and electric motor datasheets. Newton-meters dominate SI engineering documents, while American automotive media quote pound-feet liberally. Inch-pound units appear on small fasteners and servo motor ratings where foot-pound numbers would be tiny decimals easy to misread.
Proper bolt clamp load depends on torque plus friction coefficient and thread pitch; conversion alone does not replace manufacturer sequences for head gaskets or wheel lug nuts. Impact wrenches deliver peak torque differently from steady click-type wrench readings, yet shop manuals still list single torque values converted consistently across markets.
Cycling component carbon bars specify torque limits in N·m to prevent crushing, printed beside tiny hex screws. Industrial gearbox catalogs pair torque with speed to derive kilowatt power through the relation P = τω in radians per second, linking this converter naturally to horsepower discussions on drivetrains.
Electric vehicle motors advertise huge lb-ft at zero RPM, a marketing advantage over peaky turbocharged gasoline curves, but chassis dynamometers and international homologation files increasingly store SI units for regulatory harmony.
Use this converter when setting torque wrenches imported from overseas, comparing drill/driver specs, or translating workshop manuals for classic British motorcycles into tools calibrated in pound-feet.
Specialized tools
Frequently asked questions
Multiply lb-ft by 1.35582 to get N·m. Example: 100 lb-ft ≈ 135.6 N·m. Many torque wrenches show dual scales.
Torque is twisting force; horsepower combines torque and rotational speed. High torque at low RPM feels strong off the line; HP reflects sustained power at higher RPM.
Automotive convention uses lb-ft (pound-feet) for torque, not ft-lb, though colloquially people mix them. N·m is unambiguous in metric contexts.