Knitting Needle Conversion Chart | US and Metric Sizes

If you love knitting, it can be a hassle when you need to convert needle sizes for your chosen pattern. This handy knitting needle conversion chart gives you all of the information you need to find the right needle for your next project.

Knitting needles come in different sizes for different-sized stitches and to suit different weights of yarn, ranging from 2mm to over 20mm wide. To make things even more confusing, the UK and Europe label needle sizes differently from the US! The chart below lists the sizes available, with conversions for both systems:

Knitting Needle Conversion Chart

Knitting needle conversion chart

Metric Sizes American Sizes
2.00mm 0
2.25mm 1
2.75mm 2
3.25mm 3
3.50mm 4
3.75mm 5
4.00mm 6
4.50mm 7
5.00mm 8
5.50mm 9
6.00mm 10
6.50mm 10½
8.00mm 11
9.00mm 13
10.00mm 15
12.00mm 17
16.00mm 19
19.00mm 35
25.00mm 50

Knitting needles can be made from a range of different materials, including plastic and bamboo. Check out our great range of knitting needles and explore different yarn weights! Then let us know what you’ve been making!

Which sizes of knitting needles have you used? Do you prefer working with thin or chunkier yarns? Leave a comment below or post your thoughts on our Facebook page!

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