Regular Hooks

The following charts are for sizing but individual manufacturerers may have a different sizing so check the specifics for the vendor you want.

Crochet Hook Conversion Chart

Metric USA

2.25 mm B

2.75 mm C

3.25 mm D

3.50 mm E

3.75 mm F

4.25 mm G

4.50 mm 7

5.00 mm H

5.50 mm I

6.00 mm J

6.50 mm K

8.00 mm L

9.00 mm N

10.00 mm P

15.75 mm or 16mm Q

17.00 mm R

19.00 mm S

22.00 mm T

25.00 mm U

Metric USA Bead Size

.60 mm 14 20/0 thru 25/0

.75 mm 13 16/0 & 18/0

.70 mm 12 16/0 & 18/0

.80 mm 11 14/0, 15/0, 16/0 & 18/0

1.00 mm 10 14/0 & 15/0

1.15 mm 9 8/0, 10/0, 11/0 & 12/0

1.25 mm 8 8/0, 10/0, 11/0 & 12/0

1.50 mm 7 4/0, 6/0, 8/0, 10/0 & 11/0

1.60 mm 6 4/0, 6/0, 8/0, 10/0 & 11/0

1.70 mm 5 4/0 & 6/0

1.75 mm 4 4/0 & 6/0

1.85 mm 3

1.95 mm 2

2.00 mm 1

2.25 mm 0

3.00 mm 00