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Newly Added Crochet Patterns
Crochet Hook Conversion Chart
Printer-friendly versionPlease use this crochet hook conversion chart as a guide. Actual sizes may vary by crochet hook manufacturer.
Convert from Metric to US to UK and Canadian sizes for aluminum crochet hooks.
Crochet hook sizes are generally chosen to match the thread thickness. Thicker yarn needs thicker hooks. The hooks may be made of metal, wood, plastic, or bone.
Download Printable Version
ALUMINUM CROCHET HOOK CONVERSION |
||
Metric (mm) |
US |
UK/Canada |
|
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
|
|
5.0
|
H/8
|
6
|
|
5.5
|
I/9
|
5
|
|
6.0
|
J/10
|
4
|
|
6.5
|
K/10.5
|
3
|
|
7.0
|
-
|
2
|
|
8.0
|
L/11
|
0
|
|
9.0
|
M/13
|
00
|
|
10.0
|
N/15
|
000
|
|
16.0
|
P/16
|
-
|
|
16.0
|
Q
|
-
|
|
19
|
S
|
-
|
Please use this crochet hook conversion chart as a guide. Actual sizes may vary by crochet hook manufacturer.
Convert from Metric to US to UK and Canadian sizes for steel crochet hooks. Crochet hook sizes are generally chosen to match the thread thickness.
Thicker yarn needs thicker hooks. The hooks may be made of metal, wood, plastic, or bone.
STEEL CROCHET HOOK CONVERSION |
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|
Metric (mm)
|
US
|
UK
|
|
3.5
|
00
|
-
|
|
3.25
|
0
|
0
|
|
2.75
|
1
|
1
|
|
2.25
|
2
|
1 1/2
|
|
2.1
|
3
|
2
|
|
2.0
|
4
|
2 1/2
|
|
1.9
|
5
|
3
|
|
1.8
|
6
|
3 1/2
|
|
1.65
|
7
|
4
|
|
1.5
|
8
|
4 1/2
|
|
1.4
|
9
|
5
|
|
1.3
|
10
|
5 1/2
|
|
1.1
|
11
|
6
|
|
1.0
|
12
|
6 1/2
|
|
.85
|
13
|
7
|
|
.75
|
14
|
-
|
|
