Crochet Hook Size Chart
Use this as a practical planning reference. Always confirm measurements, gauge and fit for the specific project.
| 2.25 mm | US B-1 |
|---|---|
| 3.5 mm | US E-4 |
| 4.0 mm | US G-6 |
| 5.0 mm | US H-8 |
| 5.5 mm | US I-9 |
| 6.0 mm | US J-10 |
| 8.0 mm | US L-11 |
| 10.0 mm | US N/P-15 |
How to use this chart
Treat standard sizes as a starting point. Crochet fabric changes with stitch, fiber, hook size and blocking. Measure the wearer or intended space whenever possible.