Materials Beginner
Yarn Weight
The thickness of the yarn strand, categorized by standard numbers from 0 (Lace) to 7 (Jumbo).
Yarn weight refers to the thickness of the yarn, not how much the ball weighs. Choosing the correct weight is essential for achieving the right look and feel for your project.
Standard Categories
| Number | Category | Common Names | Recommended Hook | Typical Projects |
|---|---|---|---|---|
| 0 | Lace | Fingering, 10-count thread | 1.6mm – 2.25mm | Doilies, delicate shawls |
| 1 | Super Fine | Sock, Fingering, Baby | 2.25mm – 3.5mm | Socks, baby items, light shawls |
| 2 | Fine | Sport, Baby | 3.5mm – 4.5mm | Light sweaters, baby items, accessories |
| 3 | Light | DK, Light Worsted | 4.5mm – 5.5mm | Light blankets, sweaters, scarves |
| 4 | Medium | Worsted, Aran, Afghan | 5.5mm – 6.5mm | Blankets, hats, mittens, sweaters |
| 5 | Bulky | Chunky, Craft, Rug | 6.5mm – 9mm | Quick blankets, rugs, heavy sweaters |
| 6 | Super Bulky | Super Chunky, Roving | 9mm – 15mm | Cowls, heavy blankets, fast accessories |
| 7 | Jumbo | Roving | 15mm + | Arm knitting, massive blankets |
WPI (Wraps Per Inch)
If you have mystery yarn without a label, you can wrap it around a pencil and count how many strands fit into one inch to determine its weight category.