Hook size
2.75 mm crochet hook
A 2.75 mm crochet hook equals US size C-2 and has old UK size 12. It is the recommended hook range for super fine (1) yarn, and crocheters typically choose it for fingering-weight shawls, socks and lightweight lace. Always check gauge with a swatch, because tension varies between crocheters.
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| Metric | US | Old UK | Suits yarn weights |
|---|---|---|---|
| 2.75 mm | C-2 | 12 | #1 Super Fine |
What is a 2.75 mm crochet hook in US and UK sizes?
A 2.75 mm hook is US size C-2 and old UK size 12. Metric millimetres are the only measurement that is the same on every brand, so check the mm size stamped on the hook.
| Metric | US | Old UK | Yarn weights |
|---|---|---|---|
| 2.25 mm | B-1 | 13 | #1 |
| 2.75 mm (this hook) | C-2 | 12 | #1 |
| 3.25 mm | D-3 | 10 | #1 |
| 3.5 mm | E-4 | 9 | #1, #2 |
What yarn weight goes with a 2.75 mm hook?
A 2.75 mm hook is typically used with super fine (#1) yarn. Super Fine yarn gives about 21–32 sc per 4 in / 10 cm and suits socks, lightweight shawls, baby garments.
| Weight | Also called | Crochet gauge | Recommended hooks |
|---|---|---|---|
| #1 Super Fine | Sock, Fingering, Baby | 21–32 sc per 4 in / 10 cm | 2.25–3.5 mm |
What can you make with a 2.75 mm hook?
2 patterns in our library use a 2.75 mm hook, including campus queen woven plaid shawl (1951), tiny crochet whale keychain.
