Crochet Hook
Size Conversions

STEEL HOOKS

 

US English Continental-mm
Boye / Wright's Susan
Bates
Addi
&
Inox
Profi Clover
(weird sizing!)
Lacis ultra fine
00 . 3.5 2.70 . . 1.75 .
0 . 3.25 2.55 . . . .
1 3/0 2.75 2.35 . . . .
2 2/0 2.25 2.20 . 2.5 1.5 .
3 1/0 2.1 2.1 . . . .
4 1 2.0 1.75 . 2.0 1.25 .
5 1 1/2 1.9 1.7 . . . .
6 2 1.8 1.6 1.75 1.75 1.0 .
7 2 1/2 1.65 1.5 . . . .
8 3 1.5 1.4 or 1.25 1.5 1.5 0.90 .
9 4 1.4 1.25 or 1.15 . . . .
10 5 1.3 1.15 or 1.0 1.25 1.25 0.75 .
11 5 1/2 1.1 1.05 or 1.0 . . . .
11/12 . . 1.0 . . . .
12 6 1.0 1.0 or .75 1.0 1.0 0.60 .
13 6 1/2 0.85 0.95, 0.9, or 0.7 . . . .
13/14
. . 0.90 . . . .
14
7 0.75 0.9 or 0.6 0.75 0.75 . .
15
. . . . . . 0.50
16
. . . 0.60 0.60 . 0.60

Profi
2.5mm also called B-C

 ©copyright 2000 Noël V. Nevins
noelvn@teleport.com