7mm Crochet Hook: Size, Letter, and What to Use It For
A 7mm crochet hook has no standard US letter. See what yarn weight it fits and how it compares to nearby sizes.
Crochet Hooks & Tools
Crochet Hook Sizes and Yarn Weight: The Full Chart
The full crochet hook size to yarn weight chart, from lace weight up to super bulky.
Yarn Weight to Crochet Hook Size Quick Reference
A quick reference for matching yarn weight numbers 0 through 6 to the right crochet hook size.
Crochet Hook Sizes in mm: Quick Reference
A quick reference for crochet hook sizes in mm, from lace weight steel hooks up to jumbo bulky hooks.
Crochet Hook: A Complete Guide to Sizes, Types, and Picks
Everything you need to pick a crochet hook: sizes, materials, ergonomic options, and the hook sets I reach for most.