戒指尺寸
|
內圈圓周長
|
內圈直徑（毫米）
|
港碼
|
美碼
|
| 44.3 | 14.1 | 6 | |
| 45.2 | 14.4 | 7 | |
| 46.5 | 14.8 | 8 | |
| 47.7 | 15.2 | 9 | 4 |
| 48.7 | 15.5 | 10 | |
| 49.9 | 15.9 | 11 | 5 |
| 50.9 | 16.2 | 12 | |
| 52.1 | 16.6 | 13 | 6 |
| 53.4 | 17 | 14 | |
| 54.3 | 17.3 | 15 | 7 |
| 55.3 | 17.6 | 16 | |
| 56.5 | 18 | 17 | |
| 57.8 | 18.4 | 18 | 8 |
| 58.7 | 18.7 | 19 | |
| 59.9 | 19.1 | 20 | 9 |
| 60.9 | 19.4 | 21 | |
| 62.2 | 19.8 | 22 | 10 |
| 63.1 | 20.1 | 23 | |
| 64.4 | 20.4 | 24 | 11 |
| 65.3 | 20.8 | 25 | |
| 66.6 | 21..2 | 26 | |
| 67.5 | 21.5 | 27 | |
| 68.5 | 21.8 | 28 | |
| 69.7 | 22.2 | 29 | |
| 70.6 | 22.5 | 30 | |
| 71.6 | 22.8 | 31 | |
| 72.8 | 23.2 | 32 | |
| 74.1 | 23.6 | 33 |