Yarn Weights & Needle Size Guide

 Yarn Weights Suggested Needle Size Suggested Hook Size Stitches Per Inch Wraps Per Inch (WPI) Yards per 100g Common Uses
Lace Weight Yarn Graphic
0 - 2 US

Steel: 6,7,8

Regular: B-1

Knit: 7-8

Crochet: 8-10.5

18+ 650 - 875 Lace Knitting, Crochet
Sock Baby Weight Yarn Graphic
1 - 3 US B-1 to E-4

Knit: 6-7

Crochet: 5-8

16 440 - 525 Socks & Lightweight Garments
2 - Sport Weight Yarn Graphic 3 - 5 US E-4 to 7

Knit: 5-6

Crochet: 4-5

14 330 - 440 Light Sweaters, Baby Items & Accessories
3 - DK Weight Yarn Graphic 5 - 7 US 7 to I-9

Knit: 5

Crochet: 3-4

13 260 - 328 Sweaters, Scarves, Soft Hats
4 - Worsted Weight Yarn 7 - 9 US I-9 to K-10.5

Knit: 4-5

Crochet: 3-3.5

10-12 220 - 260 Sweaters, Outdoor Wear, Blankets, Scarves, Mittens, etc.
5 - Bulky Weight Yarn 9 - 11 US K-10.5 to M-13

Knit: 4

Crochet: 2-3

10 120 - 140 Rugs, Blankets, Warm Outerwear
6 - Super Bulky Weight Yarn 11 & Up US M-13 & Up

Knit: 3-4

Crochet: 2

9 - 10 70 - 110 Heavy Blankets, Sweaters, Rugs, Tapestries