Yarn, Yarn Weight & Related Needle / Hook Sizes

Yarn comes in all different thicknesses, or weights. The standard yarn weight system goes from a range of 0 to 7, with size 0 (or lace yarn) being the smallest weight (or thickness) and size 7 being the largest weight.

Click on yarn weight listed below to check out our handy chart of yarn weight and recommended knitting needle and crochet hook sizes along with links to variety of yarn available in that weight.

Click on any standard yarn weight below:

Weight 0 – Lace

Fingering 10 count, Crochet thread

Weight 1 – Super Fine

Sock, Fingering, Baby

Weight 2 – Fine

Sport, Baby

Weight 3 – Light

DK Light Worsted

Weight 4 – Medium

Worsted, Afghan, Aran

Weight 5 – Bulky

Chunky, Craft, Rug

Weight 6 – Super Bulky

Bulky, Roving