Crochet
hook sizes differ depending on the brand of the crochet hook
and on the country where you purchase the hooks.
Smaller Steel Hooks Chart:
|
Metric
|
USA
|
UK
|
|
0.6 mm
|
14
|
6
|
|
0.75 mm
|
13
|
-
|
|
1 mm
|
10
|
4
|
|
1.25 mm
|
8
|
3
|
|
1.50 mm
|
7
|
2.5
|
|
1.75 mm
|
4
|
2
|
|
2 mm
|
1
|
1
|
|
2.25 mm
|
0
|
00
|
Crochet Hook Conversion Chart for All Other
Hooks:
|
Metric
|
USA
|
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
|
|