FREE PRINTABLE knitting needle and crochet hook size conversion charts
A handy comparison chart to show what size knitting needles and crochet hooks to use for your pattern in the UK, USA, Australia, Europe and around the world!
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Have you ever found yourself wondering "What size needles should I use?" Here's our handy conversion chart to help you out!
We've even made you a handy free printable version:
| Metric | USA | Crochet USA | UK (old) | Yarn weight |
|---|---|---|---|---|
| Used in the UK, Europe and Australia | Commonly used in the USA and Canada | North America uses a different system for hooks | Needles are rarely sold in these sizes any more | |
| 2mm | 0 | - | 14 | Lace |
| 2.25mm | 1 | B | 13 | Lace |
| 2.5mm | 1.5 | - | - | Lace/4-ply |
| 2.75mm | 2 | C | 12 | 4-ply |
| 3mm | 2.5 | - | 11 | 4-ply |
| 3.25mm | 3 | D | 10 | 4-ply |
| 3.5mm | 4 | E | - | 4-ply/sport |
| 3.75mm | 5 | F | 9 | Sport/DK |
| 4mm | 6 | G | 8 | DK |
| 4.5mm | 7 | - | 7 | Aran |
| 5mm | 8 | H | 6 | Aran |
| 5.5mm | 9 | I | 5 | Chunky |
| 6mm | 10 | J | 4 | Chunky |
| 6.5mm | 10.5 | K | 3 | Chunky |
| 7mm | - | - | 2 | Super-chunky |
| 7.5mm | - | - | 1 | Super-chunky |
| 8mm | 11 | L | 0 | Super-chunky |
| 9mm | 13 | - | 00 | Super-chunky |
| 10mm | 15 | - | 000 | Super-chunky |
| 12mm | 17 | - | - | Bulky |
| 16mm | 19 | - | - | Bulky |
| 19mm | 35 | - | - | Bulky |
| 20mm | 36 | - | - | Bulky |
| 25mm | 50 | - | - | Bulky |
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Kate is the former Head of Content at Practical Publishing. As well as being a passionate knitter, she can also turn her hand to a bit of crochet or ...
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