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Crochet Hook Sizes

Here is a guide to the different sizes of crochet hooks.

This is handy when –

Crocheting items from vintage patterns
Using patterns from another country

It can be a bit confusing trying to work out the size of crochet hook recommended in patterns. Remember this is only a guide. Once you start crocheting the item you will quickly see if you are happy with the result or want to change to a different size of hook.

Everyone crochets with a slightly different tension so if you are unhappy with the feel of your crochet try using a larger hook if your crochet feels too hard or a smaller hook if it looks or feels too loose.

METRIC SIZES(in mm)

US SIZES

UK/CANADIAN

2.0

-

14

2.25

B/1

13

2.5

-

12

2.75

C/2

-

3.0

-

11

3.25

D/3

10

3.5

E/4

9

3.75

F/5

-

4.0

G/6

8

4.5

7

7

5.0

H/8

6

5.5

I/9

5

6.0

J/10

4

6.5

K/10 1/2

3

7.0

-

2

8.0

L/11

0

9.0

M/13

00

10.0

N/15

000