British Wool Type	American Wool Type
4ply/Sock	Fingering/Sport
DK	Light Worsted/Sport
Aran	Worsted
Chunky	Bulky

British/Metric Needle Sizes	American Needle Sizes
2.0 mm	0
2.25 mm	1
2.75 mm	2
3.25 mm	3
3.5 mm	4
3.75 mm	5
4 mm	6
4.5 mm	7
5 mm	8
5.5 mm	9
6 mm	10
6.5 mm	10.5
8.0 mm	11
9 mm	13
10 mm	15
11 mm	17