How to convert foot-pounds to newton meters
- Type the value in foot-pounds (lb·ft) in the box above.
- The result in newton meters appears instantly, along with the same value in every other unit of torque.
- Press ⇄ to convert the other way.
Formula
N·m = lb·ft × 1.35582. So 1 lb·ft = 1.35582 N·m, and 80 lb·ft = 108.465 N·m.
Foot-pounds to newton metres is the conversion for torque wrenches, wheel lug nuts, bicycle components and engine specs. US manuals often give torque in lb·ft (or ft·lb), while most of the world uses N·m. Multiply by 1.356: a typical car wheel nut torque of 80 lb·ft is about 108 N·m.
lb·ft to N·m conversion chart
| Foot-pounds | Newton meters |
|---|---|
| 5 lb·ft | 6.77909 N·m |
| 10 lb·ft | 13.5582 N·m |
| 15 lb·ft | 20.3373 N·m |
| 20 lb·ft | 27.1164 N·m |
| 25 lb·ft | 33.8954 N·m |
| 50 lb·ft | 67.7909 N·m |
| 75 lb·ft | 101.686 N·m |
| 80 lb·ft | 108.465 N·m |
| 100 lb·ft | 135.582 N·m |
| 150 lb·ft | 203.373 N·m |
| 200 lb·ft | 271.164 N·m |
FAQ
What is 100 lb·ft in N·m?
135.58 N·m.
How do I convert lb·ft to N·m?
Use N·m = lb·ft × 1.35582. Or type the value above and the converter does it for you.
How do I convert N·m back to lb·ft?
Multiply by 0.737562, or press the ⇄ button in the converter.