Needle and Hook Size Charts
There are industry variances in conversions and our patterns. Needles and hooks are based on the following chart.
| Canadian & British | 000 | 00 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | - | 10 | 11 | 12 | 13 | 14 | 15 |
| Metric (mm) | 10.00 | 9.00 | 8.00 | 7.50 | 7.00 | 6.50 | 6.00 | 5.50 | 5.00 | 4.50 | 4.00 | 3.75 | 3.50 | 3.25 | 3.00 | 2.75 | 2.25 | 2.00 | 1.75 |
| American | 15 | 13 | 11 | - | - | 10.5 |
10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | - | 2 | 1 | 0 | - |
| Canadian & British | 000 | 00 | 0 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | - | 9 | 10 | 11 | - | 12 | 13 | 14 |
| Metric (mm) | 10.00 | 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 |
| American | N-15 | M-13 | L11 | - | K-10.5 |
J-10 | I-9 | H-8 | 7 | G-6 | F-5 | E-4 | D-3 | - | C-2 | - | B-1 | - |
| American & Canadian | 00 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 |
| Metric (mm) | 2.70 | 2.55 | 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 |
| British | - | 00 | 1 | - | - | 2 | - | - | 2.5 |
3 | - | 4 | - | 5 | - | 6 |
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