CHILDREN'S CLASSICS shoe sizes
 EU |  UK |  USA | Approximate age |
|---|---|---|---|
| 16 | 0 | 1 | 0-3 month |
| 17 | 1 | 2 | 3-6 month |
| 18 | 2 | 3 | 6-9 month |
| 19 | 3 | 4 | 9-12 month |
| 20 | 4 | 5 | 12-15 month |
| 21 | 4.5 | 5.5 | 15-18 month |
| 22 | 5 | 6 | 18-24 month |
| 23 | 6 | 7 | 2 year |
| 24 | 7 | 8 | 2 year |
| 25 | 8 | 9 | 3 year |
| 26 | 8.5 | 9.5 | 3 year |
| 27 | 9 | 10 | 4 year |
| 28 | 10 | 11 | 5 year |
| 29 | 11 | 12 | 6 year |
| 30 | 12 | 13 | 7 year |
| 31 | 12.5 | 13.5 | 8 year |
| 32 | 13 | 1 | 8 year |
| 33 | 1 | 2 | 9 year |
| 34 | 2 | 3 | 10 year |
| 35 | 2.5 | 3.5 | 11 year |
| 36 | 3 | 4 | 12 year |
| 37 | 4 | 5 | 13 year |
| 38 | 5 | 6 | 14 year |
| 39 | 6 | 7 | 15 year |
| 40 | 6.5 | 7.5 | 16 year+ |