MOLO Baby sizes Newborn - 18 month
| Approximate age | Child's height (cm) | Child's chest (around) | Child's waist (around) |
| Newborn | 56 cm | 40 cm | 38 cm |
| 3 month | 62 cm | 43 cm | 42 cm |
| 6 month | 68 cm | 45 cm | 44 cm |
| 9 month | 74 cm | 47 cm | 45.5 cm |
| 12 month | 80 cm | 49 cm | 47 cm |
| 18 month | 86 cm | 51 cm | 48.5 cm |
MOLO Junior sizes 2 - 16 year
| Approximate age | Child's height (cm) | Child's chest (around) | Child's waist (around) |
| 2 year | 92 cm | 52 cm | 50 cm |
| 3 year | 98 cm | 54 cm | 51 cm |
| 4 year | 104 cm | 56 cm | 52 cm |
| 5 year | 110 cm | 58 cm | 53 cm |
| 6 year | 116 cm | 60 cm | 54 cm |
| 7 year | 122 cm | 62 cm | 55.5 cm |
| 8 year | 128 cm | 64 cm | 57 cm |
| 9 year | 134 cm | 66 cm | 58 cm |
| 10 year | 140 cm | 68 cm | 59 cm |
| 11 year | 146 cm | 71 cm | 61 cm |
| 12 year | 152 cm | 74 cm | 63 cm |
| 13 year | 158 cm | 77 cm | 65 cm |
| 14 year | 164 cm | 80 cm | 67 cm |
| 15 year | 170 cm | 83 cm | 79 cm |
| 16 year | 176 cm | 86 cm | 71 cm |
MOLO shoes sizes
 EU |  UK |  USA | Approximate age |
| 23 | 6 | 7 | 2 year |
| 24 | 7 | 8 | 2 year |
| 25 | 8 | 9 | 3 year |
| 26 | 8.5 | 9.5 | 4 year |
| 27 | 9 | 10 | 4 year |
| 28 | 10 | 11 | 5 year |
| 29 | 10.5 | 11.5 | 5 year |
| 30 | 11.5 | 12.5 | 6 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 |