MONNALISA Baby sizes 0 - 36 month
| Approximate age | Child's height |
| Newborn | 49 cm |
| 1 month | 49 cm |
| 3 month | 54 cm |
| 6 month | 65 cm |
| 9 month | 76 cm |
| 12 month | 86 cm |
| 18 month | 89 cm |
| 24 month | 92 cm |
| 36 month | 98cm |
MONNALISA Junior sizes 2 - 16 year
| Approximate age | Child's height | Child's chest (around) | Child's waist (around) |
| 2 year | 92 cm | 51 cm | 53 cm |
| 3 year | 98 cm | 54 cm | 54 cm |
| 4 year | 104 cm | 57 cm | 55 cm |
| 5 year | 110 cm | 60 cm | 56 cm |
| 6 year | 116 cm | 62 cm | 57 cm |
| 7 year | 122 cm | 65 cm | 58 cm |
| 8 year | 128 cm | 68 cm | 60 cm |
| 9 year | 134 cm | 71 cm | 61 cm |
| 10 year | 140 cm | 74 cm | 63 cm |
| 11 year | 146 cm | 77 cm | 64 cm |
| 12 year | 152 cm | 81 cm | 66 cm |
| 13 year | 158 cm | 84 cm | 68 cm |
| 14 year / S / TG 40-42 | 164 cm | 88 cm | 69 cm |
| 15 year / M / TG 42-44 | 166 cm | 92 cm | 72 cm |
| 16 year / L / TG 44-46 | 170 cm | 96 cm | 75 cm |
MONNALISA Pre-walker shoes sizes
 EUR |
 UK |
 USA |
Approximate age |
| 16 | 0 | 1 | 0-3 month |
| 17 | 1 | 2 | 3-6 month |
| 18 | 2 | 3 | 6-9 month |
| 19 | 3 | 4 | 9-12 month |
| 20 | 4 | 5 | 12-18 month |
MONNALISA shoes sizes
| EU |
UK |
USA |
Approximate age |
| 20 | 4 | 5 | 9-12 month |
| 21 | 4.5 | 5.5 | 12-18 month |
| 22 | 5 | 6 | 18-24 month |
| 23 | 6 | 7 | 2 year |
| 24 | 7 | 8 | 2 year |
| 25 | 8 | 9 | 3 year |
| 26 | 8.5 | 9.5 | 3 year |
| 27 | 9 | 10 | 4 year |
| 28 | 10 | 11 | 5 year |
| 29 | 11 | 12 | 6 year |
| 30 | 12 | 13 | 7 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 |
| 39 | 6 | 7 | 16 year |