iolom
ring?
Size guide
All iolom rings are made in Japanese sizes.
iolomのリングは日本の号数で製作しています。
| 日本（号） | US | 内周 mm | 内径 mm |
|---|---|---|---|
| 1 | 1 | 41.0 | 13.1 |
| 2 | 2 | 42.0 | 13.4 |
| 3 | 2.5 | 43.0 | 13.7 |
| 4 | 3 | 44.0 | 14.0 |
| 5 | 3.5 | 45.0 | 14.3 |
| 6 | 3.5–4 | 46.0 | 14.6 |
| 7 | 4–4.5 | 47.0 | 15.0 |
| 8 | 4.5–5 | 48.0 | 15.3 |
| 9 | 5 | 49.0 | 15.6 |
| 10 | 5.5 | 50.0 | 15.9 |
| 11 | 6 | 51.0 | 16.2 |
| 12 | 6.5 | 52.0 | 16.6 |
| 13 | 6.5–7 | 53.0 | 16.9 |
| 14 | 7–7.5 | 54.0 | 17.2 |
| 15 | 7.5–8 | 55.0 | 17.5 |
| 16 | 8 | 56.0 | 17.8 |
| 17 | 8.5 | 57.0 | 18.1 |
| 18 | 9 | 58.0 | 18.5 |
| 19 | 9.5 | 59.0 | 18.8 |
| 20 | 10 | 60.0 | 19.1 |
| 21 | 10–10.5 | 61.0 | 19.4 |
| 22 | 10.5 | 62.0 | 19.7 |
| 23 | 11 | 63.0 | 20.1 |
| 24 | 11.5 | 64.0 | 20.4 |
| 25 | 12 | 65.0 | 20.7 |
| 26 | 12.5 | 66.0 | 21.0 |
| 27 | 13 | 67.0 | 21.3 |
| 28 | 13.5 | 68.0 | 21.6 |
| 29 | 14 | 69.0 | 22.0 |
| 30 | 14.5 | 70.0 | 22.3 |
- サイズが分からない場合は、お近くの宝飾店での採寸をおすすめします。
- 在庫がないサイズは受注生産（約1か月）です。
- How to measure: wrap a strip of paper around your finger and measure the length in mm.