BONPOINT Baby sizes Newborn - 3 year
| Approximate age | Child's height |
| Newborn | 50 cm |
| 1 month | 54 cm |
| 3 month | 60 cm |
| 6 month | 67 cm |
| 12 month | 74 cm |
| 18 month | 81 cm |
| 2 year | 86 cm |
| 3 year | 94 cm |
BONPOINT Junior sizes 4 - 14 year
| Approximate age | Child's height |
| 4 year | 102 cm |
| 6 year | 114 cm |
| 8 year | 128 cm |
| 10 year | 138 cm |
| 12 year | 150 cm |
| 14 year | 162 cm |
BONPOINT shoes sizes
EU  | UK  | USA  |
| 24 | 7 | 8 |
| 25 | 8 | 8.5 |
| 26 | 9 | 9.5 |
| 27 | 9.5 | 10 |
| 28 | 10.5 | 11 |
| 29 | 11.5 | 12 |
| 30 | 12 | 12.5 |
| 31 | 13 | 13.5 |
| 32 | 13.5 | 1 |
| 33 | 1.5 | 2 |
| 34 | 2 | 2.5 |
| 35 | 3 | 3.5 |
| 36 | 3.5 | 4.5 |
| 37 | 4 | 5 |
| 38 | 4.5 | 6 |