CROCHET HOOK CONVERSION CHART

Metric (mm)
US
UK
2.00 mm 14
2.25 mm 1 / B 13
2.50 mm 12
2.75 mm C 11
3.00 mm 11
3.25 mm D 10
3.50 mm 4 / E 9
3.75 mm F
4.00 mm 6 8
4.25 mm G
4.50 mm 7 7
5.00 mm 8 / H 6
5.50 mm 9 / I 5
6.00 mm 10 / J 4
6.50 mm 10 1/2 / K 3
7.00 mm 2
8.00 mm 0
9.00 mm 15 / N 00
10.00 mm P 000
15.75 mm or 16mm Q