| US / CA | EU | UK | Foot Length | Age Group |
|---|---|---|---|---|
| Infant 0 | 0 | 15 | 3.8 | 0-12 months |
| Infant 1 | 0.5 | 16 | 4.1 | 0-12 months |
| Infant 2 | 1 | 17 | 4.5 | 0-12 months |
| Infant 3 | 2 | 18 | 4.8 | 12-24 months |
| Toddler 4 | 3 | 19 | 5.1 | 12-24 months |
| Toddler 5 | 4 | 20 | 5.5 | 12-24 months |
| Toddler 6 | 5 | 22 | 5.8 | 12-24 months |
| Toddler 7 | 6 | 23 | 6.1 | 2-4 years |
| Toddler 8 | 7 | 24 | 6.5 | 2-4 years |
| Toddler 9 | 8 | 25 | 6.8 | 2-4 years |
| Toddler 10 | 9 | 26 | 7.1 | 2-4 years |
| Little Kid 11 | 10 | 27 | 7.5 | 2-4 years |
| Little Kid 12 | 11 | 28 | 7.8 | 4-6 years |
| Little Kid 13 | 12 | 29 | 8.1 | 4-6 years |
| Little Kid 1 | 13 | 30 | 8.5 | 4-6 years |
| Little Kid 2 | 14 | 31 | 8.8 | 6-9 years |
| Big Kid 3 | 15 | 32 | 9 | 6-9 years |
| Big Kid 4 | 16 | 33 | 9.5 | 6-9 years |
| Big Kid 5 | 17 | 34 | 9.8 | 6-9 years |
| Big Kid 6 | 18 | 35 | 10 | 6-9 years |
| Big Kid 3 | 15 | 32 | 9 | 6-9 years |
| Big Kid 4 | 16 | 33 | 9.5 | 6-9 years |
| Big Kid 5 | 17 | 34 | 9.8 | 6-9 years |
| Big Kid 6 | 18 | 35 | 10 | 6-9 years |
| US / CA | EU | UK | Foot Length | Age Group |
|---|---|---|---|---|
| Infant 0 | 0 | 15 | 9.5 | 0-12 months |
| Infant 1 | 0.5 | 16 | 10.5 | 0-12 months |
| Infant 2 | 1 | 17 | 11.4 | 0-12 months |
| Infant 3 | 2 | 18 | 12.1 | 12-24 months |
| Toddler 4 | 3 | 19 | 13 | 12-24 months |
| Toddler 5 | 4 | 20 | 14 | 12-24 months |
| Toddler 6 | 5 | 22 | 14.6 | 12-24 months |
| Toddler 7 | 6 | 23 | 15.6 | 2-4 years |
| Toddler 8 | 7 | 24 | 16.5 | 2-4 years |
| Toddler 9 | 8 | 25 | 17.1 | 2-4 years |
| Toddler 10 | 9 | 26 | 18.1 | 2-4 years |
| Little Kid 11 | 10 | 27 | 19 | 2-4 years |
| Little Kid 12 | 11 | 28 | 19.7 | 4-6 years |
| Little Kid 13 | 12 | 29 | 20.7 | 4-6 years |
| Little Kid 1 | 13 | 30 | 21.6 | 4-6 years |
| Little Kid 2 | 14 | 31 | 22.2 | 6-9 years |
| Big Kid 3 | 15 | 32 | 22.9 | 6-9 years |
| Big Kid 4 | 16 | 33 | 24.1 | 6-9 years |
| Big Kid 5 | 17 | 34 | 24.8 | 6-9 years |
| Big Kid 6 | 18 | 35 | 25.4 | 6-9 years |
| Big Kid 3 | 15 | 32 | 22.9 | 6-9 years |
| Big Kid 4 | 16 | 33 | 24.1 | 6-9 years |
| Big Kid 5 | 17 | 34 | 24.8 | 6-9 years |
| Big Kid 6 | 18 | 35 | 25.4 | 6-9 years |