YARN WEIGHT AND CROCHET HOOK SIZE CONVERSION

YARN WEIGHT CONVERSION*

AUSTRALIA USA UK
2 ply Laceweight 1 ply
3 ply Fingering 2 ply
3 ply Sock 3 ply
5 ply Sport 4 ply
8 ply DK/Light Worsted DK
10 ply Worsted Aran
12 ply Bulky Chunky
14 ply Super Bulky Super Chunky

*Approximate conversion

 

CROCHET HOOK CONVERSION

AUSTRALIA USA UK
2.75 mm C/2 12
3 mm C/2 11
3.25 mm D/3 10
3.5 mm E/4
3.75 mm F/5 9
4 mm G/6 8
4.5 mm 7 7
5 mm H/8 6
5.5 mm I/9 5
6 mm J/10 4
6.5 mm K/10.5 3
7 mm 10.75 2
7.5 mm 1
8 mm L/11 0
9 mm M/13 00
10 mm N/15 000
12 mm O/17