Wool Thickness Chart
| Category | UK | USA | Needle Size |
|---|---|---|---|
| Lace | 1 Ply | Laceweight | 2.25mm / US1 |
| Super Fine | 2 Ply | Fingering | 2.75mm / US2 |
| Super Fine | 3 Ply | Sock | 3.25mm / US3 |
| Fine | 4 Ply | Sport | 3.25mm / US3 |
| Light | Double Knit (DK) | DK/Light Worsted | 4mm / US6 |
| Medium | Aran | Worsted | 5mm / US8 |
| Bulky | Chunky | Bulky | 6mm / US10 |
| Super Bulky | Super Chunky | 14 Ply | 10mm / US15 |
| Jumbo | Jumbo | Roving | 15mm / US17 |