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Crochet Hook Sizes US, UK, Canada, Australia and New Zealand

Stuck on what hook size to use for a yarn or pattern? Fret no more, Deramores have prepared these handy conversion charts to give you a helping hand!
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Crochet Hook Conversion Chart

Metric (AUS / NZ) Size

UK / Canadian Size

US Size

2.00mm

14

0

2.25mm

13

B/1

2.50mm

-

C/2

2.75mm

12

C/2

3.00mm

11

D/3

3.25mm

10

E/4

3.50mm

-

F/5

3.75mm

9

G/6

4.00mm

8

US7

4.50mm

7

H/8

5.00mm

6

I/9

5.50mm

5

J/10

6.00mm

4

K/10 ½

6.50mm

3

10.75

7.00mm

2

-

7.50mm

1

L/11

8.00mm

0

M/13

9.00mm

00

N/15

10.00mm

000

O/17

12.00mm

-

P/19

15.00mm

-

Q/19

20.00mm

-

S/35

25.00mm

-

50

Note: Please use these recommendations as a guide, actual sizes may differ by manufacturer.

 

Deramores are one of the leading online retailers of all things knitting and crochet, with a hardworking and passionate team behind the scenes. 

Shop our vast array of crochet supplies today; from accessories such as Clover, Addi hooks, which are suitable for beginners through to advanced to buttons, padding and more. 

Or, browse our extensive range of yarn, featuring top-brands, versatile fibres, illustrious colours and textures. What's more, you can SAVE with our specially prepared colour and value packs

Finally, we have thousands of FREE and paid patterns to choose from, providing you with all the inspiration you need for your next project.