Find Your Perfect Ring Size
In this video, you’ll learn how to measure your finger precisely to find your perfect ring size. Follow the steps shown and ensure a flawless fit — crafted for your comfort and elegance.
Prefer a more precise measurement?
Download the Ricca Jewelry AppRing Size Conversion Chart
Measurements are approximate. If you are between sizes, we recommend contacting our team for personalized assistance.
| USA | Brazil | Internal Diameter (mm) | Inner Circumference (mm) |
|---|---|---|---|
| 1 | 2 | 12 | 37.7 |
| 1.5 | 3.5 | 12.6 | 39.6 |
| 2 | 4.5 | 13 | 40.8 |
| 2.5 | 6 | 13.5 | 42.4 |
| 3 | 7 | 14 | 44 |
| 3.5 | 8.5 | 14.5 | 45.6 |
| 4 | 9.5 | 14.9 | 46.8 |
| 4.5 | 10.5 | 15.1 | 47.4 |
| 5 | 12 | 15.5 | 48.7 |
| 5.5 | 13 | 15.9 | 50 |
| 6 | 14 | 16.4 | 51.5 |
| 6.5 | 15 | 16.7 | 52.5 |
| 7 | 16.5 | 17.1 | 53.7 |
| 7.5 | 17.5 | 17.5 | 55 |
| 8 | 19 | 18 | 56.5 |
| 8.5 | 20 | 18.4 | 57.8 |
| 9 | 21 | 19 | 59.7 |
| 9.5 | 22 | 19.3 | 60.6 |
| 10 | 23.5 | 19.6 | 61.6 |
| 10.5 | 24.5 | 20 | 62.8 |
| 11 | 26 | 20.5 | 64.4 |
| 11.5 | 27 | 20.9 | 65.7 |
| 12 | 28.5 | 21.3 | 66.9 |
| 12.5 | 29.5 | 21.7 | 68.2 |
| 13 | 31 | 22.1 | 69.4 |
| 13.5 | 32 | 22.5 | 70.7 |
| 14 | 33 | 22.9 | 71.9 |