Knitting Needle Size Conversion Chart: UK, US and Japanese

International Knitting Needle Size Conversion Table
Metric (mm)
UK
US
Japan
1.25
16
000
-
1.5
15
00
-
1.75
-
-
-
2
14
0
0
2.25
13
1
-
2.5
-
-
1
2.75
12
2
2
3
11
-
3
3.25
10
3
4
3.5
-
4
5
3.75
9
5
5
4
8
6
6
4.25
-
-
7
4.5
7
7
8
4.75
-
-
9
5
6
8
10
5.5
5
9
11
5.75
-
-
12
6
4
10
13
6.25
-
-
14
6.5
3
10 1/2
15
7
2
-
7
7.5
1
-
-
8
0
11
8
9
00
13
9
10
000
15
10
12
-
17
-
16
-
19
-
19
-
35
-
25
-
50
-