The Nike size charts below convert shoes sizes for; US, UK, Europe. The sizes have also been calculated in centimetres. Sizing information is taken directly from Nike.
| Nike Size Chart - Men |
| US | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 13 | 14 | 15 |
| UK | 5.5 | 6 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 12 | 13 | 14 |
| Europe | 38.5 | 39 | 40 | 40.5 | 41 | 42 | 42.5 | 43 | 44 | 44.5 | 45 | 45.5 | 46 | 47.7 | 48.5 | 49.6 |
| CM | 24 | 24.5 | 25 | 25.5 | 26 | 26.5 | 27 | 27.5 | 28 | 28.5 | 29 | 29.5 | 30 | 31 | 32 | 33 |
A shoe size is a numerical indication of the fitting size of a shoe for a person. Several different shoe-size systems are still used today worldwide. In some regions, it is even customary to use different shoe-size systems for different types of shoes (e.g., men's, women's, children's, sport or safety shoes). Youth/Junior Shoe Size Chart The shoe size chart on this page can be used by 6 to 10 years old kids (approximately). Kids are active people. Becasuse of this, it is important that they wear well fitted shoes, both for sports and for school/spare time.
| Nike Size Chart - Women |
| US | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 |
| UK | 2.5 | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 |
| Europe | 35.5 | 36 | 36.5 | 37.5 | 38 | 38.5 | 39 | 40 | 40.5 | 41 | 42 | 42.5 | 43 | 44 | 44.5 |
| CM | 22 | 22.5 | 23 | 23.5 | 24 | 24.5 | 25 | 25.5 | 26 | 26.5 | 27 | 27.5 | 28 | 28.5 | 29 |
6y Shoe Size
| Nike Size Chart - Kids |
| US | 3.5Y | 4Y | 4.5Y | 5Y | 5.5Y | 6Y | 6.5Y | 7Y |
| UK | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 6 |
| Europe | 35.5 | 36 | 36.5 | 37.5 | 38 | 38.5 | 39 | 40 |
| CM | 22.5 | 23 | 23.5 | 23.5 | 24 | 24 | 24.5 | 25 |