| Kids | US/Canada | X-Small (9-10) |
Small (11-12) |
Medium (13-1) | Large (1-2) | X-Large (2-3) |
| U.K | 8 to 9 | 10 to 11 | 12 to 13 | 1 to 2 | 2 to 3 | |
| European | 25.5 to 26.5 | 27.5 to 28.5 | 30 to 31 | 32.5 to 33.5 | 35 to 36 | |
| Japan | 16 to 16.5 | 17.5 to 18.5 | 19 to 20 | 21 to 22 | 23 to 24 | |
| Inches | 6.25-6.47 | 6.83-7.14 | 7.46-7.77 | 8.09-8.5 | 8.5 | |
| Centimeters | 15.9-16.4 | 17.35-18.14 | 18.95-19.74 | 20.55-21.34 | 21.6 |
| Women | US/Canada | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| U.K | 2.5 | 3.5 | 4.5 | 5.5 | 6.5 | 7.5 | 8.5 | 9.5 | 10.5 | 11.5 | 12.5 | 13.5 | |
| European | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | |
| Australia | 3.5 | 4.5 | 5.5 | 6.5 | 7.5 | 8.5 | 9.5 | 10.5 | 11.5 | 12.5 | 13.5 | 14.5 | |
| Japan | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | |
| Mexico | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | ||||
| Ukraine | 33.5 | 34.5 | 35.5 | 36.5 | 37.5 | 38.5 | 39.5 | ||||||
| Inches | 9 | 9.25 | 9.5 | 9.75 | 10 | 10.25 | 10.5 | 10.75 | 11 | 11.25 | 11.5 | 11.75 | |
| Centimeters | 22.8 | 23.5 | 24.1 | 24.8 | 25.4 | 26 | 26.7 | 27.3 | 27.9 | 28.6 | 29.2 | 29.8 |
| Men | US/UK/Canada/Australia | Size 9 Small | Size 10 | Size 11 Medium | Size 12 | Size 13 Large | Size 14 | Size 15 X-Large |
| European | 41 | 42 | 43 | 44 | 45 | 46 | 48 | |
| Japan | 26.5 | 27.5 | 28.5 | 29.5 | 30.5 | 31.5 | 32.5 | |
| Inches | 10.25 | 10.5 | 10.75 | 11 | 11.25 | 11.5 | 11.75 | |
| Centimeters | 26 | 26.7 | 27.3 | 27.9 | 28.6 | 29.2 | 29.8 |