| United States & Canada | UK, Europe & Australia | CN/SG/JP | HK | Switzerland | Circumference(mm) |
|---|
| 4 | H | 7 | 9 | | 46.8 |
| 4.25 | 0.5H | | | 7.75 | 47.4 |
| 4.5 | I | 8 | 10 | | 48 |
| 4.75 | J | | | 9 | 48.7 |
| 5 | 0.5J | 9 | 11 | | 49.3 |
| 5.25 | K | | | 10 | 50 |
| 5.5 | 0.5K | 10 | 12 | | 50.6 |
| 5.75 | L | | | 11.75 | 51.2 |
| 6 | 0.5L | 11 | 13 | 12.75 | 51.9 |
| 6.25 | M | 12 | | | 52.5 |
| 6.5 | 0.5M | 13 | 14.5 | 14 | 53.1 |
| 6.75 | N | | | | 53.8 |
| 7 | 0.5N | 14 | 16 | 15.25 | 54.4 |
| 7.25 | O | | | | 55.1 |
| 7.5 | 0.5O | 15 | 17 | 16.5 | 55.7 |
| 7.75 | P | | | | 56.3 |
| 8 | 0.5P | 16 | | 17.75 | 57 |
| 8.25 | | | 18 | | 57.2 |
| 8.5 | 0.5Q | 17 | 19 | | 58.3 |
| 8.75 | R | | | 19 | 58.9 |
| 9 | 0.5R | 18 | 20.5 | | 59.5 |
| 9.25 | S | | | 20.25 | 60.2 |
| 9.5 | 0.5S | 19 | 22 | | 60.8 |
| 9.75 | T | | | 21.5 | 61.4 |
| 10 | 0.5T | 20 | 23 | | 62.1 |
| 10.25 | U | 21 | | | 62.7 |
| 10.5 | 0.5U | 22 | 24 | 22.75 | 63.4 |
| 10.75 | V | | | | 64 |
| 11 | 0.5V | 23 | 25 | | 64.6 |
| 11.25 | W | | | 25 | 65.3 |
| 11.5 | 0.5W | 24 | 26 | | 65.9 |
| 11.75 | X | | | | 66.6 |
| 12 | 0.4X | 25 | 27.75 | 27.5 | 67.2 |
