| Yarn Weight | No. & Name USA | Knitting Tension (Guage) | Suggested Needle Size | Crochet Tension (Guage) | Suggested Hook Size |
| 2-3 Ply | 0: Lace | 27-32 sts | 2.25 - 3.25mm | 32-42 sts* | 1.5mm- 2.25mm |
| 4 Ply | 1: Super Fine | 23-26 sts | 2.50 - 3.50mm | 21-32 sts | 2.25-3.5mm |
| 5 Ply | 2: Fine | 22-25 sts | 2.75 – 3.75mm | 16-20 sts | 3.50-4.50mm |
| 8 Ply | 3: Light | 21-24 sts | 3.75 – 4.50mm | 12-17 sts | 4.50-5.50mm |
| 10 Ply | 4: Medium | 16-20 sts | 4.50 – 5.50mm | 11-14 sts | 5.50-6.50mm |
| 12 Ply | 5: Bulky | 12-15 sts | 5.50 – 8.00mm | 8-11 sts | 6.50-9.0mm |
| 14 Ply | 6: Super Bulky | 6-11 sts | 8.0mm – 12.75mm | 7-9 sts | 9.0-15mm |
| 15 Ply + | 7: Jumbo | 6 or less sts | 12.75mm + | 6 or less sts | 15mm+ |