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Force and Torque

kN·mtolbf·ft

Convert kilonewton-metres (kN·m) to pound-force feet (lbf·ft).

Factor1 kN·m = 737.5621 lbf·ft

Converter

kN·m

Accepts numbers or expressions, e.g. 150 + 14.7

Result
737.562lbf·ft

Rendered to 6 significant figures.

Formula

Formula
lbf·ft = kN·m × 737.5621

Multiply any value in kilonewton-metres by 737.5621 to obtain the value in pound-force feet.

Worked example

Convert 1 kN·m to lbf·ft.

  1. 01Start with 1 kN·m.
  2. 02Multiply by the conversion factor: 1 × 737.5621 = 737.562 lbf·ft.
Result1 kN·m = 737.562 lbf·ft

Conversion table

kN·mlbf·ft
1737.56
21475.1
53687.8
107375.6
2014751
5036878
10073756
2001.4751e+5
5003.6878e+5
10007.3756e+5

Reference values rounded to 5 significant figures for display.

FAQ

What is the conversion factor from kN·m to lbf·ft?
1 kN·m equals 737.5621 lbf·ft. To convert, multiply the value in kilonewton-metres by 737.5621.
How do I convert 1 kN·m to lbf·ft?
1 kN·m = 737.562 lbf·ft. For any value, multiply by 737.5621.
How do I convert lbf·ft back to kN·m?
Divide by the same factor — or equivalently, multiply by 0.001355818. So 1 lbf·ft = 0.00135582 kN·m.
When would I need to convert kilonewton-metre to pound-force foot?
Torque conversions between kN·m and lbf·ft are needed in fastener specification, mechanical equipment design, drivetrain analysis and lifting/rigging calculations. Newton-metre (N·m) is the SI standard; lbf·ft and lbf·in dominate US fastener and machinery datasheets; kgf·m appears in legacy metric documentation. Display symbol is N·m — never the abbreviation "nm", which denotes nanometre.
Is the conversion exact?
The factor shown is precise to at least 7 significant figures. For most process-engineering work this is far better than instrument accuracy. For metrology or trade applications, refer to the relevant national standard (NIST, BIPM, ISO 80000).

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