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| Thickness Name |
Number |
Length (m) |
Needle size |
mm |
Crochet hook size |
| Super Thick |
Less than 1/1 |
Under 100 |
Size 7 and up |
0 or more |
10/0 or higher |
| Extra Thick |
1/1-1/2 |
100–200 |
Size 10 to 15 |
5.1 - 6.6 |
8/0 - 10/0 |
| Average |
1/2 to 1/3 |
200–300 |
Size 7 to 10 |
4.2 - 5.1 |
5/0 - 7/0 |
| Gota |
1/2.5 to 1/4 |
250-400 |
Size 4 to 7 |
3.3 - 4.2 |
4/0 - 5/0 |
| Medium Fine |
1/3.5 to 1/5 |
350–500 |
No. 2 to No. 4 |
2.7 - 3.3 |
2/0 - 4/0 |
| Combined |
1/4.8 to 1/8 |
480–800 |
No. 1 to No. 3 |
2.4 - 3.0 |
1/0 - 3/0 |
| Ultra-fine |
1/8 - 1/12 |
800~1200 |
Size 0 to 2 |
2.1 - 2.7 |
Lace needles ~2/0 |
| Ultra-fine |
1/13 or more |
Under 1300 |
No. 0 |
2.1 or less |
Lace Needles |
