Conversion Charts

Needle Size Conversions
UK
MetricUSA



142mm0
132.25mm1
-2.5mm-
122.75mm2
113mm-
103.25mm3
-3.5mm4
93.75mm5
84mm6
74.5mm7
65mm8
55.5mm9
46mm10
36.5mm10.5
27mm-
17.5mm-
08mm11
09mm13
010mm15
-12mm17
-15mm19
-20mm36
-25mm50
Crochet Hook Conversions
UK
Metric
USA



142MM-
132.25mmB/1
122.5mm-
-2.75mmC/2
113mm-
103.25mmD/3
93.5mmE/4
-3.75mmF/5
84mmG/6
74.5mm7
65mmH/8
55.5mmI/9
46mmJ/10
36.5mmK/10½
27mm-
08mmL/11
09mmM/13
010mmN/15
-11.5mmP/16
-16mmQ
-19mmS
Yarn Weight Conversions





UK
USA
AUSTRALIA





1 Ply
Laceweight
2 Ply
2 Ply
Fingering
3 Ply
3 Ply
Sock
3 Ply
4 Ply
Sport
5 Ply
Double Knit / DK
DK / Light Worsted
8 Ply
Aran
Worsted
10 Ply
Chunky
Bulky
12 Ply
Super Chunky
Super Bulky
14 Ply