The ring sizes on our website are listed in US sizes. If you already know your EU size, please refer to the Ring Sizes Chart to find the corresponding US size. If you are not sure, feel free to contact me at info@eviapostoloujewellery.com
For the most accurate measurement, we recommend visiting a local jeweler or jewelry store to have your finger sized. If that’s not possible, you can easily determine your size at home using one of the methods below.
Method 1: Measure Your Finger’s Circumference
Tips for best results:
Method 2: Measure an Existing Ring
Still unsure? We’re happy to help! Contact us if you need guidance while choosing your ring size at info@eviapostoloujewellery.com


| Diameter (mm) | Circumference (mm) | Ring Size (US) | Ring Size (EU) |
|---|---|---|---|
| 14.1 | 44.2 | 3 | 44 |
| 14.5 | 45.5 | 3.5 | 44.5 |
| 14.9 | 46.8 | 4 | 47 |
| 15.3 | 48.0 | 4.5 | 48 |
| 15.7 | 49.3 | 5 | 49.5 |
| 16.1 | 50.6 | 5.5 | 50.5 |
| 16.5 | 51.9 | 6 | 52 |
| 16.9 | 53.1 | 6.5 | 53 |
| 17.3 | 54.4 | 7 | 54.5 |
| 17.7 | 55.7 | 7.5 | 56 |
| 18.1 | 57 | 8 | 57 |
| 18.5 | 58.3 | 8.5 | 58.5 |
| 19.0 | 59.5 | 9 | 59.5 |
| 19.4 | 60.8 | 9.5 | 61 |
| 19.8 | 62.1 | 10 | 62.5 |
| 20.2 | 63.4 | 10.5 | 63.5 |
| 20.6 | 64.6 | 11 | 65 |
| 21 | 65.9 | 11.5 | 66 |
| 21.4 | 67.2 | 12 | 67.5 |
| 21.8 | 68.5 | 12.5 | 69 |