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Size guide - Nike - Boys - Footwear
Size guide provided by Nike.
| US | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| UK | 0.5 | 01.5 | 02.5 | 03.5 | 04.5 | 05.5 | 6.5 | 7.5 | 8.5 | 9.5 | 10.5 | 11.5 | 12.5 | 13.5 | 1.5 | 2.5 | 3.5 | 4.5 | 5.5 | 6 |
| EU | 16 | 17 | 18.5 | 19.5 | 21 | 22 | 23.5 | 25 | 26 | 27 | 28 | 29.5 | 31 | 32 | 33.5 | 35 | 36 | 37.5 | 38.5 | 40 |
| Foot Length (CM) | 9.1 | 10 | 10.8 | 11.6 | 12.5 | 13.3 | 14.2 | 15 | 15.9 | 16.7 | 17.6 | 18.4 | 19.3 | 20.1 | 20.9 | 21.8 | 22.4 | 23.2 | 23.8 | 24.6 |
| Age (Months) | 3 | 6 | 9 | 12 | 18 | 24 | 36 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Age Group | Baby | Baby | Baby | Baby | Baby | Baby | Baby | Baby | Baby | Baby | Kids | Kids | Kids | Kids | Kids | Kids | Teen | Teen | Teen | Teen |
| US | UK | EU | Foot Length (CM) | Age (Months) | Age Group |
|---|---|---|---|---|---|
| 01 | 0.5 | 16 | 9.1 | 3 | Baby |
| 02 | 01.5 | 17 | 10 | 6 | Baby |
| 03 | 02.5 | 18.5 | 10.8 | 9 | Baby |
| 04 | 03.5 | 19.5 | 11.6 | 12 | Baby |
| 05 | 04.5 | 21 | 12.5 | 18 | Baby |
| 06 | 05.5 | 22 | 13.3 | 24 | Baby |
| 07 | 6.5 | 23.5 | 14.2 | 36 | Baby |
| 08 | 7.5 | 25 | 15 | - | Baby |
| 09 | 8.5 | 26 | 15.9 | - | Baby |
| 10 | 9.5 | 27 | 16.7 | - | Baby |
| 11 | 10.5 | 28 | 17.6 | - | Kids |
| 12 | 11.5 | 29.5 | 18.4 | - | Kids |
| 13 | 12.5 | 31 | 19.3 | - | Kids |
| 1 | 13.5 | 32 | 20.1 | - | Kids |
| 2 | 1.5 | 33.5 | 20.9 | - | Kids |
| 3 | 2.5 | 35 | 21.8 | - | Kids |
| 4 | 3.5 | 36 | 22.4 | - | Teen |
| 5 | 4.5 | 37.5 | 23.2 | - | Teen |
| 6 | 5.5 | 38.5 | 23.8 | - | Teen |
| 7 | 6 | 40 | 24.6 | - | Teen |