CALVIN KLEIN baby sizes Newborn - 3 year
| Approximate age | Child's height |
| Newborn | 56 cm |
| 3 month | 62 cm |
| 6 month | 68 cm |
| 9 month | 74 cm |
| 12 month | 80 cm |
| 18 month | 86 cm |
| 24 month | 92 cm |
| 36 month | 98 cm |
CALVIN KLEIN junior sizes 4-16 year
| Approximate age | Child's height |
| 4 year | 104 cm |
| 6 year | 116 cm |
| 8 year | 128 cm |
| 10 year | 140 cm |
| 12 year | 152 cm |
| 14 year | 164 cm |
| 16 year | 166-170 cm |
CALVIN KLEIN underwear sizes 4 - 16 year
| Approximate age | Child's height | Size |
| 4-5 year | 104-110 cm | XS |
| 6-7 year | 116-122 cm | S |
| 8-10 year | 128-140 cm | M |
| 10-12 year | 140-152 cm | L |
| 12-14 year | 152-164 cm | XL |
| 14-16 year | 164-176 cm | XXL |
CALVIN KLEIN bathrobe sizes 4-16 year
| Approximate age | Child's height | Size |
| 4-6 year | 116-122 cm | S |
| 6-10 year | 128-140 cm | M |
| 10-14 year | 140-152 cm | L |
| 14-16 year | 152-164 cm | XL |
CALVIN KLEIN Pre-walker shoes sizes
 EU |  UK |  US | Approximate Age |
|---|---|---|---|
| 17 | 1 | 2 | 3-6 month |
| 18 | 2 | 3 | 6-9 month |
| 19 | 3 | 4 | 9-12 month |
| 20 | 4 | 5 | 12-24 month |
CALVIN KLEIN Junior shoes sizes
| EU | UK | US |
|---|---|---|
| 20 | 4 | 5 |
| 21 | 5 | 6 |
| 22 | 5.5 | 6.5 |
| 23 | 6 | 7 |
| 24 | 7 | 8 |
| 25 | 7.5 | 8.5 |
| 26 | 8 | 9 |
| 27 | 9 | 10 |
| 28 | 10 | 11 |
| 29 | 11 | 12 |
| 30 | 11.5 | 12.5 |
| 31 | 12.5 | 13.5 |
| 32 | 13.5 | 1 |
| 33 | 1 | 2 |
| 34 | 2 | 3 |
| 35 | 2.5 | 3.5 |
| 36 | 3.5 | 4 |
| 37 | 4 | 5 |
| 38 | 5 | 6 |
| 39 | 6 | 7 |