Knitting needle sizes (U.S.A./China/Japan/metric)
Conversion chart with U.S.A., China, Japan and metric (mm) knitting needle sizes.US needles
CN needles
Metric
0
14
2.0 mm
1
13
2.25 mm
1½
2.5 mm
2
12
2.75 mm
2½
11
3.0 mm
3
10
3.25 mm
4
3.5 mm
5
9
3.75 mm
6
8
4.0 mm
7
7
4.5 mm
8
6
5.0 mm
9
5
5.5 mm
10
4
6.0 mm
10½
3
6.5 mm
2
7.0 mm
1
7.5 mm
11
0
8.0 mm
13
00
9.0 mm
JPN needles
0
2.1 mm
1
2.4 mm
2
2.7 mm
3
3.0 mm
4
3.3 mm
5
3.6 mm
6
3.9 mm
7
4.2 mm
8
4.5 mm
9
4.8 mm
10
5.1 mm
11
5.4 mm
12
5.7 mm
13
6.0 mm
14
6.3 mm
15
6.6 mm
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