Roper Kids Size Chart
| Big Kids | ||
| USA | UK | EUR |
| 4 | 3 | 34.5 |
| 5 | 4 | 36 |
| 6 | 5 | 37 |
| 7 | 6? | 38? |
| Cowbabies | ||
| USA | UK | EUR |
| 1 | n/a | n/a |
| 2 | n/a | n/a |
| 3 | n/a | n/a |
| 4 | n/a | n/a |
| Toddler | ||
| USA | UK | EUR |
| 2 | 1.5 | 18 |
| 3 | 2.5 | 19 |
| 4 | 3.5 | 20 |
| 5 | 4.5 | 22 |
| 6 | 5.5 | 23 |
| 7 | 6.5 | 24 |
| 8 | 7.5 | 25 |
| Little Kids | ||
| USA | UK | EUR |
| 9 | 8 | 27 |
| 10 | 9 | 28 |
| 11 | 10 | 28.5 |
| 12 | 11 | 30 |
| 13 | 12 | 30.5 |
| 1 | 13 | 31 |
| 2 | 1 | 32.5 |
| 3 | 2 | 33.5 |