How thick should yarn be to crochet?
Yarn Weight & Crochet Hook Size Chart
|Yarn Weight Terms||Suggested Hook Size|
|2-Fine||(E-4) 3.50 mm, (F-5) 3.75 mm|
|3-Light, Light Worsted||(G-6) 4.00 mm, (7) 4.50 mm, (H-8) 5.00 mm|
|4-Medium, Worsted||(I-9) 5.50 mm, (J-10) 6.00 mm, (K-11) 6.50 mm|
|5-Bulky, Chunky||7.00 mm, (L) 8.00 mm, (M/N) 9.00 mm|
What size crochet hook Do I need to make a blanket?
It can be overwhelming to select what size crochet hook to use for blankets, but US H-8 would be the best choice, especially for beginners. This means that the hook size is 5mm, ideal for worsted weight yarn. This yarn weight will also be comfortable for crocheting most blankets.