Needle Size Conversion Chart |
Millimeter range | US Knitting needle size | UK Knitting needle size | US Crochet hook size (letter) | US Crochet hook size | UK Crochet hook size |
.4 mm | 16 |
.5 mm | 15 |
.6 mm | 14 | 6 |
.75 mm | 13 |
.70 mm | 12 | 5 |
.8 mm | 11 |
1 mm | 10 | 4 |
1.15 mm | 9 |
1.25 mm | 8 | 3 |
1.50 mm | 7 | 2.5 |
1.6 mm | 6 |
1.7 mm | 5 |
1.75 mm | 4 | 2 |
1.85 mm | 3 |
1.95 mm | 2 |
2.00 mm | 0 | 14 | 1 | 1 |
2.25 mm | 1 | 13 | B | 0 | 0 |
2.5 mm | 12 |
2.75 mm | 2 | 12 | C | 2 |
3.00 mm | 11 |
3.25 mm | 3 | 10 | D | 3 |
3.5 mm | 4 | E | 4 |
3.75 mm | 5 | 9 | F | 5 |
4.00 mm | 6 | 8 | G | 6 |
4.25 mm |
4.5 mm | 7 | 7 | 7 |
5.00 mm | 8 | 6 | H | 8 |
5.5 mm | 9 | 5 | I | 9 |
6.00 mm | 10 | 4 | J | 10 |
6.5 mm | 10.5 | 3 | K | 10.5 |
7.00 mm | 2 |
7.5 mm | 1 |
8.00 mm | 11 | 0 | L | 11 |
9.00 mm | 13 | M/N | 13 |
10.00 mm | 15 | N/P | 15 |
12.00 mm |
12.75 mm | 17 |
15 mm | 19 | P/Q |
16 mm | Q |
19 mm | 35 | S |
20 mm | 36 |
25 mm | 50 |
* Please note that conversions are approximate |