| Yarn weight |
Types of yarn |
Gauge |
Hook size |
| 0: lace |
10 count fingering |
32 - 42 dc |
1.5mm |
| 1: super fine |
Sock, fingering, baby |
21 - 32 sc |
2.25mm - 3.5mm |
| 2: fine |
Sport, baby |
16 - 20 sc |
3.5mm - 4.5mm |
| 3: light |
DK, light worsted |
12 - 17 sc |
4.5mm - 5.5mm |
| 4: medium |
Worsted, afghan, aran |
11 - 14 sc |
5.5mm - 6.5mm |
| 5: bulky |
Chunky, craft, rug |
8 - 11 sc |
6.5mm - 9mm |
| 6: super bulky |
Bulky, roving |
5 - 9 sc |
9mm + |