TOMMY HILFIGER Baby sizes 0 - 18 month
| Approximate age | Child's height | Child's chest (around) | Child's waist (around) |
| Newborn | 56cm | 40 cm | 38 cm |
| 0-3 month | 62cm | 43 cm | 43 cm |
| 3-6 month | 68cm | 45.5 cm | 45 cm |
| 6-9 month | 74cm | 47 cm | 46.5 cm |
| 9-12 month | 80cm | 49.5 cm | 49 cm |
| 12-18 month | 86 cm | 51 cm | 50 cm |
TOMMY HILFIGER Junior sizes 2 - 16 year
| Approximate age | Child's height | Child's chest (around) | Child's waist (around) |
| 2 year | 92cm | 52.5 cm | 50.5 cm |
| 3 year | 98cm | 54 cm | 52.5 cm |
| 4 year | 104cm | 56 cm | 54.5 cm |
| 5 year | 110cm | 58 cm | 55.5 cm |
| 6 year | 116cm | 60.5 cm | 56 cm |
| 7 year | 122cm | 63 cm | 57 cm |
| 8 year | 128cm | 65 cm | 58 cm |
| 10 year | 140cm | 71.5 cm | 61.5 cm |
| 12 year | 152cm | 78 cm | 65.5 cm |
| 14 year | 164cm | 82.5 cm | 67 cm |
| 16 year | 176cm | 87 cm | 69 cm |
TOMMY HILFIGER pre-walker shoes
| Approximate age |  EU |  UK |  USA |
| 3-6 month | 17 | 1 | 2 |
| 6-9 month | 18 | 2 | 3 |
| 9-12 month | 19 | 3 | 4 |
TOMMY HILFIGER shoe sizes
| EU | UK | USA |
| 20 | 4 | 5 |
| 21 | 5 | 5.5 |
| 22 | 5.5 | 6 |
| 23 | 6 | 6.5 |
| 24 | 7 | 7.5 |
| 25 | 7.5 | 8 |
| 26 | 8.5 | 9 |
| 27 | 9 | 10 |
| 28 | 10 | 11 |
| 29 | 11 | 11.5 |
| 30 | 11.5 | 12 |
| 31 | 12 | 13 |
| 32 | 13 | 1 |
| 33 | 1 | 2 |
| 34 | 2 | 3 |
| 35 | 2.5 | 3.5 |
| 36 | 3.5 | 4.5 |
| 37 | 4 | 5 |
| 38 | 5 | 6 |
| 39 | 6 | 7 |
| 40 | 6.5 | 7.5 |