| US | UK | EU | MM | Inches |
|---|---|---|---|---|
| 3 | F | 44 | 14.0 | 0.55 |
| 3.5 | G | 45 | 14.4 | 0.57 |
| 4 | H | 46.5 | 14.8 | 0.58 |
| 4.5 | I | 47 | 15.2 | 0.60 |
| 5 | J | 48.5 | 15.6 | 0.61 |
| 5.5 | K | 50 | 16.0 | 0.63 |
| 6 | L | 51 | 16.45 | 0.65 |
| 6.5 | M | 52 | 16.9 | 0.67 |
| 7 | N | 53.5 | 17.3 | 0.68 |
| 7.5 | O | 55 | 17.7 | 0.70 |
| 8 | P | 56 | 18.2 | 0.72 |
| 8.5 | Q | 57 | 18.6 | 0.73 |
| 9 | R | 58.5 | 19.0 | 0.75 |
| 9.5 | S | 59 | 19.4 | 0.76 |
| 10 | T | 60.5 | 19.8 | 0.78 |