To make sure you find the perfect fit, check our size conversion chart. Keep in mind that measurements may vary by brand, design and season. Use this guide as a reference to compare standard sizes.
| IT | cm | US | UK | AGE |
|---|---|---|---|---|
| 16 IT | 8.1 cm | 1K | 0K | 0 - 1 |
| 17 IT | 9 cm | 2K | 1K | 0-1 |
| 18 IT | 9.8 cm | 3K | 2K | 0-1 |
| 19 IT | 10.6 cm | 4K | 3K | 0-1 |
| 20 IT | 11.5 cm | 5K | 4K | 0-1 |
| 21 IT | 12.3 cm | 5.5K | 5K | 1-3 |
| 22 IT | 12.8 cm | 6K | 5.5K | 1-3 |
| 23 IT | 13.2 cm | 6.5K | 6K | 1-3 |
| 23.5 IT | 13.6 cm | 7K | 6.5K | 1-3 |
| 24 IT | 14 cm | 7.5K | 7K | 1-3 |
| 25 IT | 14.5 cm | 8K | 7.5K | 1-3 |
| 25.5 IT | 14.9 cm | 8.5K | 8K | 1-3 |
| 26 IT | 15.3 cm | 9K | 8.5K | 4-6 |
| 26.5 IT | 15.7 cm | 9.5K | 9K | 4-6 |
| 27 IT | 16.1 cm | 10K | 9.5K | 4-6 |
| 28 IT | 16.6 cm | 10.5K | 10K | 4-6 |
| 28.5 IT | 17 cm | 11K | 10.5K | 4-6 |
| 29 IT | 17.4 cm | 11.5K | 11K | 4-6 |
| 30 IT | 17.8 cm | 12K | 11.5K | 4-6 |
| 30.5 IT | 18.3 cm | 12.5K | 12K | 4-6 |
| 31 IT | 18.7 cm | 13K | 12.5K | 4-6 |
| 31.5 IT | 19.1 cm | 13.5K | 13K | 7-10 |
| 32 IT | 19.5 cm | 1 | 13.5K | 7-10 |
| 33 IT | 20 cm | 1.5 | 1 | 7-10 |
| 33.5 IT | 20.4 cm | 2 | 1.5 | 7-10 |
| 34 IT | 20.8 cm | 2.5 | 2 | 7-10 |
| 35 IT | 21.2 cm | 3 | 2.5 | 7-10 |