What Size Is a K Crochet Hook in mm?
A K crochet hook is 6.5mm. See what yarn weight it fits and how it compares to nearby letters.
Crochet Hooks & Tools
1.75mm Crochet Hook: Size, Letter, and What to Use It For
A 1.75mm crochet hook has no standard US letter. See what yarn weight it fits and how it compares to nearby sizes.
15mm Crochet Hook: Size, Letter, and What to Use It For
A 15mm crochet hook is a US P/Q. See what yarn weight it fits and how it compares to nearby sizes.
4mm Crochet Hook: Size, Letter, and What to Use It For
A 4mm crochet hook is a US G-6 and UK 8. See what yarn weight it fits and how it compares to nearby sizes.
5.5mm Crochet Hook: Size, Letter, and What to Use It For
A 5.5mm crochet hook is a US I-9 and UK 5. See what yarn weight it fits and how it compares to nearby sizes.
1.5mm Crochet Hook: Size, Letter, and What to Use It For
A 1.5mm crochet hook has no standard US letter. See what yarn weight it fits and how it compares to nearby sizes.
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 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.