Pattern Reader

US ↔ UK abbreviation converter

"dc" means double crochet in the US and single crochet in the UK: mixing up the convention ruins a piece. Paste a whole pattern, pick the direction, and check every replacement before you hook.

Result

The converted text will appear here, with every replacement listed.

Crochet hook sizes mm ↔ US

A US pattern gives the hook size as a letter ("G-6 hook") rather than in millimetres. In the converted text, every recognised size gets its equivalent in brackets; here is the full chart.

Crochet hook sizes mm ↔ US
Diameter (mm)US size
2.25 mmB-1
2.75 mmC-2
3.25 mmD-3
3.5 mmE-4
3.75 mmF-5
4 mmG-6
4.5 mm7
5 mmH-8
5.5 mmI-9
6 mmJ-10
6.5 mmK-10½
8 mmL-11
9 mmM/N-13
10 mmN/P-15

Everything about crochet hook sizes