Tables showing the SI equivalents of metric units and some older units commonly used, such as Newton (N), Kilogram Force (kgf), and Pound Force (lbf).
Units of Force Table
| Unit | SI equivalent | Inverse |
|---|---|---|
| 1 kgf (weight of 1 kg mass) | equals 9.807 N | 1 N = 0.102 kgf |
| 1 lbf (weight of 1 lb mass) | equals 4.448 N | 1 N = 0.2248 lbf |
The Royal Society (1975) Quantities, Units and Symbols, London, The Royal Society