| US / CA | EU | UK | Foot Length | Age Group |
|---|---|---|---|---|
| 5 | 23 | 6 | 6 | 12-24 months |
| 6 | 24 | 7 | 6.3 | 12-24 months |
| 7 | 25 | 8 | 6.6 | 2-4 years |
| 8 | 26 | 8.5 | 6.9 | 2-4 years |
| 9 | 27 | 9 | 7 | 2-4 years |
| 10 | 28 | 10 | 7.4 | 2-4 years |
| 11 | 29 | 11 | 7.5 | 2-4 years |
| 12 | 30 | 12 | 7.9 | 4-6 years |
| 13 | 32 | 13 | 8.3 | 4-6 years |
| 1 | 33 | 1 | 8.7 | 4-6 years |
| 2 | 34 | 2 | 8.9 | 4-6 years |
| 3 | 35 | 2.5 | 9.3 | 6-9 years |
| US / CA | EU | UK | Foot Length | Age Group |
|---|---|---|---|---|
| 5 | 23 | 6 | 15.3 | 12-24 months |
| 6 | 24 | 7 | 16 | 12-24 months |
| 7 | 25 | 8 | 16.7 | 2-4 years |
| 8 | 26 | 8.5 | 17.4 | 2-4 years |
| 9 | 27 | 9 | 17.9 | 2-4 years |
| 10 | 28 | 10 | 18.7 | 2-4 years |
| 11 | 29 | 11 | 19.1 | 2-4 years |
| 12 | 30 | 12 | 20 | 4-6 years |
| 13 | 32 | 13 | 21.2 | 4-6 years |
| 1 | 33 | 1 | 22 | 4-6 years |
| 2 | 34 | 2 | 22.6 | 4-6 years |
| 3 | 35 | 2.5 | 23.5 | 6-9 years |