
| Needle Conversion Chart | ||||||
|---|---|---|---|---|---|---|
| Metric | US | UK | Metric | US | UK | |
| 2.00 mm | 0 | 14 | 5.00 mm | 8 | 6 | |
| 2.25 mm | 1 | 13 | 5.50 mm | 9 | 5 | |
| 2.50 mm | - | - | 6.00 mm | 10 | 4 | |
| 2.75 mm | 2 | 12 | 6.50 mm | 10 1/2 | 3 | |
| 3.00 mm | - | 11 | 7.00 mm | - | 2 | |
| 3.25 mm | 3 | 10 | 7.50 mm | - | 1 | |
| 3.50 mm | 4 | - | 8.00 mm | 11 | 0 | |
| 3.75 mm | 5 | 9 | 9.00 mm | 13 | 00 | |
| 4.00 mm | 6 | 8 | 10.00 mm | 15 | 000 | |
| 4.50 mm | 7 | 7 |