Conversion Formula
$$\tau_{\text{N·m}} = \tau_{\text{ft·lbf}} \times 1.35582$$
Multiply the torque in foot-pounds by 1.35582 to get Newton-meters.
ft·lbf to N·m Conversion Table
| Foot-pound (ft·lbf) | Newton-meter (N·m) |
|---|---|
| 0.1 | 0.135582 |
| 0.5 | 0.677909 |
| 1 | 1.35582 |
| 2 | 2.71164 |
| 5 | 6.77909 |
| 10 | 13.5582 |
| 25 | 33.8954 |
| 50 | 67.7909 |
| 100 | 135.582 |
| 250 | 338.954 |
| 500 | 677.909 |
| 1,000 | 1,355.82 |
ft·lbf to N·m in Engineering
Torque conversions are essential for mechanical design, automotive engineering, fastener specifications, and rotating machinery. US engineers use ft-lbf and in-lbf while international standards use N-m.
Foot-pound: Primary US customary torque unit. Used for engine torque, structural moments, and bolt torque specifications.
Newton-meter: SI unit of torque. Used internationally for engine specifications, fastener torque, and mechanical design.