| EU | US & CA Sizes | UK & AU Sizes | Inches (Foot length) |
CM (Foot length) |
| 30 | 12 Little Kids | 11.5 Little Kids | 7.09" | 18 |
| 31 | 12.5 Little Kids | 12 Little Kids | 7.28" | 18.5 |
| 32 | 13.5 Little Kids | 13 Little Kids | 7.6" | 19.3 |
| 33 | 1.5 Little Kids | 1 Little Kids | 7.87" | 20 |
| 34 | 2 Little Kids | 1.5 Little Kids | 8.15" | 20.7 |
| 35 | 3 Little Kids | 2.5 Little Kids | 8.43" | 21.4 |
| 36 | 4 Big Kids | 3.5 Big Kids | 8.66" | 22 |
| 37 | 4.5 Big Kids | 4 Big Kids | 8.94" | 22.7 |
| 38 | 5 Big Kids | 4.5 Big Kids | 9.13" | 23.2 |
| 39 | 5.5 Big Kids | 5 Big Kids | 9.33" | 23.7 |
| 40 | 6.5 Big Kids | 6 Big Kids | 9.53" | 24.2 |