Size Guide
Measure an existing ring
To find your size, measure the internal diameter (in millimeters) of a ring that already fits you well. Place the ring on a ruler/caliper and measure the inside from edge to edge. Compare with the table:

| BR Size | Internal Diameter (mm) |
|---|---|
| 10 | 15.0 |
| 11 | 15.1 |
| 12 | 15.2 |
| 13 | 16.0 |
| 14 | 16.1 |
| 15 | 17.0 |
| 16 | 17.1 |
| 17 | 17.2 |
| 18 | 17.5 |
| 19 | 18.0 |
| 20 | 18.5 |
| 21 | 18.8 |
| 22 | 19.0 |
| 23 | 19.2 |
| 24 | 19.9 |
| 25 | 20.0 |
| 26 | 20.5 |
| 27 | 20.8 |
| 28 | 21.1 |
| 29 | 21.2 |
| 30 | 21.8 |
| 31 | 22.1 |
| 32 | 22.5 |
| 33 | 22.8 |
Tip: Measure at the end of the day and avoid measuring with cold fingers. If you're between two sizes, the larger one is usually more comfortable. If in doubt, contact us.
Can't find the size you're looking for? Click here to get in touch with our team for assistance!
Measure your finger (paper strip or string)
If you don't have a ring as a reference, use a paper strip (or string) to measure the circumference of your finger and convert it to your ring size.
- Cut a thin strip of paper (±5 mm wide) or use a thin string.
- Wrap it around the finger where the ring will be worn. (Don't overtighten; simulate real comfort.)
- Mark the meeting point with a pen.
- Lay the strip flat and measure the distance between the marks in centimeters (cm).
- Use your measurement in centimeters to find the corresponding size in the table below.
Reference table – finger circumference (cm) × BR size:
| BR Size | Finger Circumference (cm) |
|---|---|
| 10 | 4.8 |
| 11 | 4.9 |
| 12 | 5.0 |
| 13 | 5.1 |
| 14 | 5.2 |
| 15 | 5.3 |
| 16 | 5.4 |
| 17 | 5.5 |
| 18 | 5.6 |
| 19 | 5.7 |
| 20 | 5.8 |
| 21 | 5.9 |
| 22 | 6.0 |
| 23 | 6.1 |
| 24 | 6.2 |
| 25 | 6.3 |
| 26 | 6.4 |
| 27 | 6.5 |
| 28 | 6.6 |
| 29 | 6.7 |
| 30 | 6.8 |
| 31 | 6.9 |
| 32 | 7.0 |
| 33 | 7.1 |
Important: Ensure the measurement passes over the knuckles (the widest part of your finger). If you are between two sizes, please contact us to confirm — the 1st adjustment is free.

