Yarn Chart
Yarn Weight Conversion Chart and Suggested Needle and Hook Sizes
| Yarn Weight | Yarn Type (US) | Ply (UK, NZ, UA) | m/100g | Wraps Per Inch (WPI) | Suggested Needle | Suggested Hook |
| 0 or Lace | Thread or Lace | 1 to 3 ply | 600-800 | 18+ wpi | 2.0-2.25mm (US 0-1) | 1.6-1.4mm
(US 6,7,8,B-1) |
| 1 or Superfine | Fingering | 4 ply | 400-480 | 14 wpi | 2.75-3.0mm (US 2) | 2.25-3.5mm
(US B-1 to E-4) |
| 2 or Fine | Sport | 5 ply | 300-400 | 12 wpi | 3.25-3.75mm (US 3-5) | 3.5-4.5mm
(US E-4 to 7) |
| 3 or Light | DK | 8 ply | 240-300 | 11 wpi | 3.75-4.5mm (US 5-7) | 4.5-5.5mm
(US 7 to I-9) |
| 4 or Medium | Worsted | 10 ply | 120-240 | 9 wpi | 4.5-5.5mm (US 7-9) | 5.5-6.5mm
(US I-9 to K-10.5) |
| 5 or Bulky | Bulky | 12 ply | 100-130 | 7 wpi | 5.5-8.0mm (US 9-11) | 6.5-9mm
(US K-10.5 to M-13) |
| 6 or Super Bulky | Super Bulky | Less than 100 | 5-6 wpi | 8.0mm+
(US 11+) |
9mm+
(US M-13 +) |
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