| Dia เชือก ใน | ปอนด์ | amm | Bmm | cmm |
| 1/4 | 6.75 | 2.19 | 1.63 | 1.5 |
| 5/16 | 11.25 | 2.5 | 1.88 | 1.81 |
| 3/8 | 25 | 2.88 | 2.13 | 2.13 |
| 7/16 | 30 | 3.25 | 2.38 | 2.38 |
| 1/2 | 51 | 3.63 | 2.75 | 2.75 |
| 9/16 | 51 | 3.63 | 2.75 | 2.69 |
| 5/8 | 75 | 4.25 | 3.25 | 3.13 |
| 3/4 | 147 | 5 | 3.75 | 3.81 |
| 7/8 | 175 | 5.5 | 4.25 | 4.25 |
| 1 | 275 | 6.13 | 4.5 | 4.94 |
| 1 1 / 8-1 1/4 | 400 | 7 | 5.13 | 5.88 |
| 1 1 / 4-1 3/8 | 817 | 9.06 | 6.5 | 6.81 |
| 1 3 / 8-1 1/2 | 1175 | 9 | 6.25 | 7.13 |
| 1 5/8 | 1700 | 11.25 | 8 | 8.13 |
| 1 3/4 | 1775 | 12.19 | 9 | 8.5 |
| 1 7 / 8-2 | 2500 | 15.13 | 12 | 10.38 |
| 2 1/4 | 3950 | 17.13 | 14 | 11.88 |
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