Hook Size Converter
| Metric | US Label | UK / Canada |
|---|---|---|
| 2.25 mm | B / 1 | 13 |
| 2.75 mm | C / 2 | 12 |
| 3.25 mm | D / 3 | 10 |
| 3.50 mm | E / 4 | 9 |
| 3.75 mm | F / 5 | - |
| 4.00 mm | G / 6 | 8 |
| 4.50 mm | 7 | 7 |
| 5.00 mm | H / 8 | 6 |
| 5.50 mm | I / 9 | 5 |
| 6.00 mm | J / 10 | 4 |
| 6.50 mm | K / 10.5 | 3 |
| 8.00 mm | L / 11 | 0 |
| 9.00 mm | M / N / 13 | 00 |
| 10.00 mm | N / P / 15 | 000 |