knitting-needle-conversion-chart

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Knitting Needle Conversion Chart

This chart lists the conversions between US and European (metric) knitting needle sizing. We've also included US and UK 'old' knitting needle sizes - occasionally, particularly if you're using a old or vintage pattern, the knitting needle sizes will be in the old style.

Contemporary U.S. Size	Contemporary U.K./U.S. Metric Range	European Metric Range	U.K.
8/0	.5 mm	.5 mm	24
6/0	.75 mm	.75 mm	22
N/A	N/A	.875 mm (?)	20
5/0	1.0 mm	1.0 mm	19
N/A	N/A	1.125 mm	N/A
4/0	1.25 mm	1.25 mm	18
000	1.5 mm	1.5 mm	17
N/A	N/A	1.625 mm (?)	16
00	1.75 mm	1.75 mm	15
0	2 mm	2 mm	14
1	2.25 mm	2.25 mm	N/A
1	2.5 mm	2.5 mm	13
2	2.75 mm	2.75 mm	12
2	3 mm	3 mm	11
3	3.25 mm	3.5 mm	10
4	3.5 mm	3.5 mm	N/A
5	3.75 mm	3.75 mm	9
6	4 mm	4 mm	8
N/A	4.25 mm	4.25 mm	N/A
7	4.5 mm	4.5 mm	7
N/A	4.75 mm	4.75 mm	N/A
8	5 mm	5 mm	6
N/A	5.25 mm	5.25 mm	N/A
9	5.5 mm	5.5 mm	5
N/A	5.75 mm	5.75 mm	N/A
10	6 mm	6 mm	4
10 1/2	6.5 mm	6.5 mm	3
	7 mm	7 mm	2
	7.5 mm	7.5 mm	1
11	8 mm	8 mm	0
13	9 mm	9 mm	00
15	10 mm	10 mm	000
17		12.5 mm
18		14 mm
19		15.5 mm
35		19 mm
50		25 mm

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