NIK&NIK sizes 4 - 16 year
| Approximate age | Child's height (cm) | Girl's chest (around) (cm) | Boy's chest (around) (cm) | Girl's waist (around) (cm) | Boy's waist (around) (cm) |
|---|---|---|---|---|---|
| 4 year | 104 cm | 56 cm | 56 cm | 54.5 cm | 54.5 cm |
| 6 year | 116 cm | 60.5 cm | 60.5 cm | 56 cm | 56 cm |
| 8 year | 128 cm | 65 cm | 64 cm | 58 cm | 59 cm |
| 10 year | 140 cm | 71.5 cm | 71 cm | 62 cm | 63.5 cm |
| 12 year | 152 cm | 78 cm | 78 cm | 65.5 cm | 68 cm |
| 14 year | 164 cm | 82.5 cm | 86 cm | 67 cm | 73 cm |
| 16 year | 176 cm | 87 cm | 91.5 cm | 69 cm | 76 cm |
NIK&NIK shoes sizes
EU
| 
UK
| 
USA
| foot (cm) |
|---|---|---|---|
| 33 | 1.5 | 1.5 | 20.7 |
| 34 | 2.5 | 2.5 | 21.3 |
| 35 | 3 | 3 | 22 |
| 36 | 4 | 4 | 22.7 |
| 37 | 4.5 | 4.5 | 23.3 |
| 38 | 5 | 5 | 24 |
| 39 | 5.5 | 5.5 | 24.7 |
| 40 | 6 | 6 | 25.3 |
| 41 | 7 | 7 | 25.9 |