| Italian BUSCEMI | French | US | UK | Japan |
| 39 | 40 | 6 | 5 | 24 |
| 40 | 41 | 7 | 6 | 25 |
| 41 | 42 | 8 | 7 | 26 |
| 42 | 43 | 9 | 8 | 27 |
| 43 | 44 | 10 | 9 | 28 |
| 44 | 45 | 11 | 10 | 29 |
| 45 | 46 | 12 | 11 | 30 |
| 46 | 47 | 13 | 12 | 31 |
| 47 | 48 | 14 | 13 | 32 |
| 48 | 49 | 15 | 14 | 33 |
| 49 | 50 | 16 | 15 | 34 |
| 50 | 51 | 17 | 16 | 35 |
| 51 | 52 | 18 | 17 | 36 |
| Italian BUSCEMI | French | US | UK | Japan |
| 35 | 36 | 5 | 2 | 22 |
| 35.5 | 36.5 | 5.5 | 2.5 | 22.5 |
| 36 | 37 | 6 | 3 | 23 |
| 36.5 | 37.5 | 6.5 | 3.5 | 23.5 |
| 37 | 38 | 7 | 4 | 24 |
| 37.5 | 38.5 | 7.5 | 4.5 | 24.5 |
| 38 | 39 | 8 | 5 | 25 |
| 38.5 | 39.5 | 8.5 | 5.5 | 25.5 |
| 39 | 40 | 9 | 6 | 26 |
| 39.5 | 40.5 | 9.5 | 6.5 | 26.5 |
| 40 | 41 | 10 | 7 | 27 |
| 40.5 | 41.5 | 10.5 | 7.5 | 27.5 |
| 41 | 42 | 11 | 8 | 28 |
| 41.5 | 42.5 | 11.5 | 8.5 | 28.5 |
| 42 | 43 | 12 | 9 | 29 |
| 42.5 | 43.5 | 12.5 | 9.5 | 29.5 |
| Italian BUSCEMI | US | Inches | Centimeters |
| 24 | 8 | 6.30 | 16.0 |
| 25 | 9 | 6.55 | 16.65 |
| 26 | 9.5 | 6.71 | 17.05 |
| 27 | 10.5 | 6.97 | 17.7 |
| 28 | 11.5 | 7.22 | 18.35 |
| 29 | 12.5 | 7.48 | 19.0 |
| 30 | 13 | 7.74 | 19.65 |
| 31 | 13.5 | 7.99 | 20.3 |
| 32 | 1.5 | 8.27 | 21.0 |
| 33 | 2.5 | 8.52 | 21.65 |
| 34 | 3.5 | 8.78 | 22.3 |
| Italian BUSCEMI | US |
| 80 | 32 |
| 85 | 34 |
| 90 | 36 |
| 95 | 38 |
| 100 | 40 |
| 105 | 42 |
| Italian BUSCEMI | Inches | Centimeters |
| S/M | 21.65 | 55 |
| M/L | 22.44 | 57 |
| Italian BUSCEMI | Age | Inches | Centimeters |
| 17 | 0 - 6 Months | 4.33 | 11.0 |
| 19 | 6 - 12 Months | 4.88 | 12.4 |
