Conversion table crochet pins
Note that the conversion table does not apply to the older US crochet pins in steel (eg BOYE), where e.g. size 13 is used for a thin tights.
| Size mm | UK | US |
|---|---|---|
| 2.0 | 14 | B / 1 |
| 2.25 | 13 | - |
| 2.5 | 12 | - |
| 2.75 | 12 | - |
| 3.0 | 11 | C / 2 |
| 3.25 | 10 | - |
| 3.5 | 9 | E / 4 |
| 3.75 | 9 | - |
| 4.0 | 8 | G / 6 |
| 4.5 | 7 | 7 |
| 5.0 | 6 | H / 8 |
| 5.5 | 5 | - |
| 6.0 | 4 | J / 10 |
| 6.5 | 3 | - |
| 7.0 | 2 | - |
| 7.5 | 1 | - |
| 8.0 | 0 | L / 11 |
| 9.0 | 00 | M / 13 |
| 10.0 | 000 | N / 15 |
| 15.0 | - | Q |
Conversion table crochet pins STEEL (eg BOJE)
| Size mm | UK | US |
|---|---|---|
| .6 | 6 | 14 |
| . 75 | - | 13 |
| .7 | 5 | 12 |
| .8 | - | 11 |
| 1 | 4 | 10 |
| 1.15 | - | 9 |
| 1.25 | 3 | 8 |
| 1.50 | 2.5 | 7 |
| 1.6 | - | 6 |
| 1.7 | - | 5 |
| 1.75 | 2 | 4 |
| 1.85 | - | 3 |
| 1.95 | - | 2 |
| 2 | 1 | 1 |
| 2.25 | 00 | 0 |
| 3 | - | 00 |