

Knitting Needle chart
| Canadian and U.K. sizes | 000 | 00 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | - | 10 | 11 | 12 | 13 | 14 | 15 |
| Metric sizes | 10 | 9 | 8 | 7.5 | 7 | 6.5 | 6 | 5.5 | 5 | 4.5 | 4 | 3.75 | 3.5 | 3.25 | 3 | 2.75 | 2.25 | 2 | 1.75 |
| U.S. sizes | 15 | 13 | 11 | - | - | 10.5 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | - | 2 | 1 | 0 | - |
Crochet Hook chart
| Canadian and U.K.sizes | 000 | 00 | 0 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | - | 9 | 10 | 11 | - | 13 | 13 | 14 |
| Metric sizes | 10.0 | 9.00 | 8.00 | 7.00 | 6.50 | 6.00 | 5.50 | 5.00 | 4.50 | 4.00 | 3.75 | 3.50 | 3.25 | 3.00 | 2.75 | 2.50 | 2.25 | 2.00 |
| U.S. sizes | N
15 |
M
13 |
L
11 |
- | K
10.5 |
J
10 |
I
9 |
H
8 |
7 |
G
6 |
F
5 |
E
4 |
D
3 |
- | C
2 |
- | B
1 |
- |
Steel Crochet hook chart
| Canadian and U.S. sizes | 00 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 |
| Metric sizes | 3.00 | 2.50 | 2.00 | 1.95 | 1.85 | 1.75 | 1.70 | 1.60 | 1.50 | 1.25 | 1.15 | 1.00 | 0.80 | 0.75 | 0.70 | 0.60 |
| U.K. sizes | - | 00 | 1 | - | - | 2 | - | - | 2.5 | 3 | - | 4 | - | 5 | - | 6 |