| Women's US Size | Narrow 2A (cm) | Narrow 2A (in) | Standard B (cm) | Standard B (in) | Wide D (cm) | Wide D (in) | X-Wide 2E (cm) | X-Wide 2E (in) |
| 5 | 7.8 | 3 1/8 | 8.1 | 3 1/4 | 8.5 | 3 3/8 | 8.8 | 3 1/2 |
| 5.5 | 7.9 | 3 1/8 | 8.3 | 3 1/4 | 8.6 | 3 3/8 | 8.9 | 3 1/2 |
| 6 | 8 | 3 1/8 | 8.4 | 3 1/4 | 8.7 | 3 3/8 | 9 | 3 1/2 |
| 6.5 | 8.1 | 3 1/4 | 8.5 | 3 3/8 | 8.8 | 3 1/2 | 9.2 | 3 5/8 |
| 7 | 8.2 | 3 1/4 | 8.6 | 3 3/8 | 8.9 | 3 1/2 | 9.3 | 3 5/8 |
| 7.5 | 8.3 | 3 1/4 | 8.7 | 3 3/8 | 9 | 3 1/2 | 9.4 | 3 3/4 |
| 8 | 8.4 | 3 1/4 | 8.8 | 3 1/2 | 9.2 | 3 5/8 | 9.5 | 3 3/4 |
| 8.5 | 8.5 | 3 3/8 | 8.9 | 3 1/2 | 9.3 | 3 5/8 | 9.6 | 3 3/4 |
| 9 | 8.6 | 3 3/8 | 9 | 3 1/2 | 9.4 | 3 3/4 | 9.7 | 3 7/8 |
| 9.5 | 8.7 | 3 3/8 | 9.1 | 3 5/8 | 9.5 | 3 3/4 | 9.8 | 3 7/8 |
| 10 | 8.8 | 3 1/2 | 9.2 | 3 5/8 | 9.6 | 3 3/4 | 9.9 | 3 7/8 |
| 10.5 | 8.9 | 3 1/2 | 9.3 | 3 5/8 | 9.7 | 3 7/8 | 10 | 3 7/8 |
| 11 | 9 | 3 1/2 | 9.4 | 3 3/4 | 9.8 | 3 7/8 | 10.1 | 4 |
| 11.5 | 9.2 | 3 5/8 | 9.5 | 3 3/4 | 9.9 | 3 7/8 | 10.2 | 4 |
| 12 | 9.3 | 3 5/8 | 9.6 | 3 3/4 | 10 | 3 7/8 | 10.3 | 4 |
| 12.5 | 9.4 | 3 3/4 | 9.7 | 3 7/8 | 10.1 | 4 | 10.4 | 4 1/8 |
| 13 | 9.5 | 3 3/4 | 9.8 | 3 7/8 | 10.2 | 4 | 10.5 | 4 1/8 |