To calculate your ring size, please download and stamp this PDF file.
In the following table can be found indications of rings' measures with respect to the National Standard System.
For international systems visit the page International Ring Size Table.
In case of doubts for any of our products you can contact us from the contacts page.
Advice: for wedding rings increase the size of 2 measures.
Internal diameter
Internal circumference
| Italian size | Diameter (cm) | Circumference (cm) |
|---|---|---|
| 8 | 1,53 | 4,80 |
| 9 | 1,56 | 4,90 |
| 10 | 1,60 | 5,02 |
| 11 | 1,62 | 5,09 |
| 12 | 1,65 | 5,18 |
| 13 | 1,68 | 5,28 |
| 14 | 1,72 | 5,40 |
| 15 | 1,74 | 5,46 |
| 16 | 1,78 | 5,59 |
| 17 | 1,81 | 5,68 |
| 18 | 1,85 | 5,81 |
| 19 | 1,88 | 5,90 |
| 20 | 1,92 | 6,03 |
| 21 | 1,95 | 6,12 |
| 22 | 1,98 | 6,22 |
| 23 | 2,00 | 6,28 |
| 24 | 2,04 | 6,41 |
| 25 | 2,06 | 6,47 |
| 26 | 2,10 | 6,59 |
| 27 | 2,12 | 6,66 |
| 28 | 2,15 | 6,75 |
| 29 | 2,19 | 6,88 |
| 30 | 2,22 | 6,97 |
| 31 | 2,25 | 7,07 |
| 32 | 2,29 | 7,19 |
| 33 | 2,33 | 7,32 |
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