Yarn comes in strands of various thicknesses. Yarn thickness is divided into weight classes based on the size of the yarn strand, not the actual weight of the yarn. Each weight class is numbered 0-7 from thinnest to thickest sizes. Here are some grap...
Sections
9
Resources
0 - Lace
1 - Superfine
2 - Fine
3 - Light
4 - Medium
Resources
Free charts and graphics
0 - Lace
Lace weight yarn or thread
1 - Superfine
Baby, Fingering and Sock weight yarns
2 - Fine
Baby & Sport weight yarns
3 - Light
DK & Light Worsted weight yarns
4 - Medium
Worsted, Aran & Afghan weight yarn
5 - Bulky
Chunky, Rug & Other Craft Yarns
6 - Super Bulky
Not the biggest size but close
7 - Jumbo
The largest yarn weight class for the fastest, biggest projects and techniques like arm and hand/finger knitting or crochet