Reference table
Torque: N·m, lb·ft and kgf·m
Workshop manuals and datasheets switch between newton metres, pound-feet and kilogram-force metres. This table shows the same torques in all three notations.
| N·m | lb·ft | lb·in | kgf·m |
|---|---|---|---|
| 1 | 0.73756215 lb·ft | 8.85074579 lb·in | 0.10197162 kgf·m |
| 5 | 3.68781075 lb·ft | 44.25372896 lb·in | 0.50985811 kgf·m |
| 10 | 7.37562149 lb·ft | 88.50745791 lb·in | 1.01971621 kgf·m |
| 20 | 14.75124299 lb·ft | 177.01491583 lb·in | 2.03943243 kgf·m |
| 25 | 18.43905373 lb·ft | 221.26864478 lb·in | 2.54929053 kgf·m |
| 50 | 36.87810746 lb·ft | 442.53728957 lb·in | 5.09858106 kgf·m |
| 80 | 59.00497194 lb·ft | 708.05966331 lb·in | 8.1577297 kgf·m |
| 100 | 73.75621493 lb·ft | 885.07457913 lb·in | 10.19716213 kgf·m |
| 150 | 110.63432239 lb·ft | 1,327.6118687 lb·in | 15.29574319 kgf·m |
| 200 | 147.51242986 lb·ft | 1,770.14915827 lb·in | 20.39432426 kgf·m |
| 300 | 221.26864478 lb·ft | 2,655.2237374 lb·in | 30.59148639 kgf·m |
Torque is force times lever arm, so every unit contains a length: lb·ft uses the pound as force and the foot as lever arm, kgf·m the kilogram as force and the metre. The conversion is a pure factor because both components are firmly defined. Tightening torques always belong to a specific bolt and joint.