WILSON Women's
| USA | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 |
| UK | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 |
| EUR | 35 2/3 | 36 1/3 | 37 | 37 2/3 | 38 1/3 | 39 | 39 2/3 | 40 1/3 | 41 | 41 1/3 | 42 | 42 2/3 | 43 1/3 |
| cm | 22.0 | 22.5 | 23.0 | 23.5 | 24.0 | 24.5 | 25.0 | 25.5 | 26.0 | 26.5 | 27.0 | 27.5 | 28.0 |
WILSON Men's
| USA | 6.5 | 7.0 | 7.5 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 | 10.5 | 11.0 | 11.5 | 12.0 | 13.0 |
| UK | 6.0 | 6.5 | 7.0 | 7.5 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 | 10.5 | 11.0 | 11.5 | 12.5 |
| EUR | 39 2/3 | 40 1/3 |
41 | 41 1/3 | 42 | 42 2/3 | 43 1/3 | 44 | 44 2/3 | 45 1/3 |
46 | 46 2/3 | 48 |
| cm | 24.0 | 24.5 | 25.0 | 25.5 | 26.0 | 26.5 | 27.0 | 27.5 | 28.0 | 28.5 | 29.0 | 29.5 | 30.0 |
WILSON Junior's
| USA | 11 | 12 | 13 | 1 | 1.5 | 2.5 | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 6.6 |
| UK | 10.5 | 11.5 | 12.5 | 13.5 | 1 | 2 | 2.5 | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 |
| EUR | 28 2/3 |
30 |
31 1/3 |
32 2/3 |
33 1/3 | 34 2/3 | 35 1/3 | 36 | 36 1/2 | 37 |
37 2/3 | 38 1/3 | 39 | 39 2/3 |
| cm | 18.0 | 20 | 20.5 | 21 | 21.5 | 22 | 22.5 | 23.0 | 23.5 | 24 | 24.5 | 25 | 25.5 | 26 |
