Joma Junior Shoes:
| US/CAN: | Y8 | Y9 | Y10 | Y11 | Y12 | Y13 | 1 | 1.5 | 2 | 2.5 | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 |
| EU: | 25 | 26 | 27 | 28 | 29 | 30 | 32 | 32.5 | 33 | 33.5 | 34 | 35 | 35.5 | 36 | 37 | 37.5 | 38 | 39 |
UK: |
7 | 8 | 9 | 10 | 11 | 12 | 13 | 13.5 | 1 | 1.5 | 2 | 2.5 | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 |
Joma Adult Shoes:
| US/CAN: | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 13 |
| EU: | 40 | 40.5 | 41 | 42 | 42.5 | 43 | 43.5 | 44 | 44.5 | 45 | 46 | 47 |
| UK: | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 12 |