Crochet Hook Size Conversion Table

Crochet Hook Conversion Rate

Hook Size Conversion Table

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Metric Sizes in MM US Sizes European
2.0 n/a 14
2.25 B/1 13
2.5 n/a 12
2.75 C/2 n/a
3.0 n/a 11
3.25 D/3 10
3.5 E/4 9
3.75 F/5 n/a
4.0 G/6 8
4.5 7 7
5.0 H/8 6
5.5 I/9 5
6.0 J/10 4
6.5 K/10 3
7.0 n/a 2
8.0 L/11
9.0 M/13
10.0 N/15
11.5 P/16
16 Q
19 S

1 Comment

  1. Thanks for this! My confusion is with both letter AND number US sizing. I thought the number was European … but based on your chart that’s not the case.

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