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Some exclusions apply. Now thru 12/12/24.

There are industry variances in conversions and our patterns. Needles and hooks are based on the following chart.

 

Knitting Needle Size Equivalents
Canadian & British 000 00 0 1 2 3 4 5 6 7 8 9 - 10 11 12 13 14 15
Metric (mm) 10.00 9.00 8.00 7.50 7.00 6.50 6.00 5.50 5.00 4.50 4.00 3.75 3.50 3.25 3.00 2.75 2.25 2.00 1.75
American 15 13 11 - - 10.5
10 9 8 7 6 5 4 3 - 2 1 0 -

 

Aluminum Crochet Hooks Size Equivalents
Canadian & British 000 00 0 2 3 4 5 6 7 8 - 9 10 11 - 12 13 14
Metric (mm) 10.00 9.00 8.00 7.00 6.50 6.00 5.50 5.00 4.50 4.00 3.75 3.50 3.25 3.00 2.75 2.50 2.25 2.00
American N-15 M-13 L11 - K-10.5
J-10 I-9 H-8 7 G-6 F-5 E-4 D-3 - C-2 - B-1 -

 

Steel Crochet Hooks Size Equivalents
American & Canadian 00 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
Metric (mm) 2.70 2.55 2.00 1.95 1.85 1.75 1.70 1.60 1.50 1.25 1.15 1.00 0.80 0.75 0.70 0.60
British - 00 1 - - 2 - - 2.5
3 - 4 - 5 - 6