| Size | Heel to Toe Length (in) | Heel to Toe Length (cm) |
| 2C | 3⅝ | 9.3 |
| 2.5C | 3⅞ | 9.7 |
| 3C | 4 | 10.2 |
| 3.5C | 4⅛ | 10.6 |
| 4C | 4⅜ | 11 |
| 4.5C | 4½ | 11.4 |
| 5C | 4⅝ | 11.8 |
| 5.5C | 4⅞ | 12.3 |
| 6C | 5 | 12.7 |
| 6.5C | 5⅛ | 13.1 |
| 7C | 5⅜ | 13.5 |
| 7.5C | 5½ | 14 |
| 8C | 5⅝ | 14.8 |
| 8.5C | 5⅞ | 15.2 |
| 9C | 6 | 15.6 |
| 9.5C | 6⅛ | 16.1 |
| 10C | 6⅜ | 16.5 |
| 10.5C | 6½ | 16.9 |
| 11C | 6⅝ | 17.3 |
| 11.5C | 6⅞ | 17.8 |
| 12C | 7 | 18.2 |
| 12.5C | 7⅛ | 18.6 |
| 13C | 7⅜ | 19.1 |
| 13.5C | 7½ | 19.9 |
| 1Y | 7⅝ | 19.5 |
| 1.5Y | 7⅞ | 19.9 |
| 2Y | 8 | 20.3 |
| 2.5Y | 8⅛ | 20.7 |
| 3Y | 8⅜ | 21.2 |
| 3.5Y | 8½ | 21.6 |
| 4Y | 8⅝ | 22 |
| 4.5Y | 8⅞ | 22.4 |
| 5Y | 9 | 22.9 |
| 5.5Y | 9⅛ | 23.3 |
| 6Y | 9⅜ | 23.7 |
| 6.5Y | 9½ | 24.1 |
| 7Y | 9⅝ | 24.5 |