Unit Conversion
Convert between common suspension and weight units.
Interactive Converters
Spring Rate
Quick Reference Table
| N/mm | lbs/in | kg/mm |
|---|---|---|
| 10 | 57 | 1 |
| 20 | 114 | 2 |
| 30 | 171 | 3 |
| 40 | 228 | 4 |
| 50 | 286 | 5 |
| 60 | 343 | 6 |
| 70 | 400 | 7 |
| 80 | 457 | 8 |
| 90 | 514 | 9 |
| 100 | 571 | 10 |
| 110 | 628 | 11 |
| 120 | 685 | 12 |
| 130 | 742 | 13 |
| 140 | 799 | 14 |
| 150 | 857 | 15 |
| 160 | 914 | 16 |
| 170 | 971 | 17 |
| 180 | 1,028 | 18 |
| 190 | 1,085 | 19 |
| 200 | 1,142 | 20 |
| 220 | 1,256 | 22 |
| 240 | 1,370 | 24 |
| 260 | 1,485 | 27 |
| 280 | 1,599 | 29 |
| 300 | 1,713 | 31 |
| 320 | 1,827 | 33 |
| 340 | 1,941 | 35 |
| 360 | 2,056 | 37 |
| 380 | 2,170 | 39 |
| 400 | 2,284 | 41 |