Ring Size Guide
Find your fit
SANSER uses the mainland China / Hong Kong ring size system, based on the inner circumference in millimetres. The table below gives equivalent US, UK and international sizes so you can match your measurement or existing ring.
How to Measure at Home
- Best time: Measure in the evening or when your fingers are warm; cold weather can reduce size by half a size or more.
- String or strip method: Wrap a thin, non-stretch string or a strip of paper around the base of the finger where the ring will sit. Mark where it meets, then measure the length in mm. Match this length to the "Inner circum. (mm)" column in the table.
- Existing ring: If you have a ring that fits the same finger, measure the inner diameter (in mm) and use the "Diameter (mm)" column, or measure the inner circumference with string and match to the table.
For the most accurate result, we offer complimentary sizing at our Hong Kong address. Contact us to arrange a visit.
| CN / HK | International | US | UK | Inner circum. (mm) | Diameter (mm) |
|---|---|---|---|---|---|
| 48 | 5 | 5 | J½ | 48.0 | 15.3 |
| 49 | 5.25 | 5.25 | K | 49.3 | 15.7 |
| 50 | 5.5 | 5.5 | K½ | 50.6 | 16.1 |
| 51 | 5.75 | 5.75 | L | 51.9 | 16.5 |
| 52 | 6 | 6 | L½ | 53.1 | 16.9 |
| 53 | 6.25 | 6.25 | M | 54.4 | 17.3 |
| 54 | 6.5 | 6.5 | M½ | 55.7 | 17.7 |
| 55 | 6.75 | 6.75 | N | 57.0 | 18.1 |
| 56 | 7 | 7 | N½ | 58.3 | 18.5 |
| 57 | 7.25 | 7.25 | O | 59.5 | 19.0 |
| 58 | 7.5 | 7.5 | O½ | 60.8 | 19.4 |
| 59 | 7.75 | 7.75 | P | 62.1 | 19.8 |
| 60 | 8 | 8 | P½ | 63.4 | 20.2 |
| 61 | 8.25 | 8.25 | Q | 64.6 | 20.6 |
| 62 | 8.5 | 8.5 | Q½ | 65.9 | 21.0 |
| 63 | 8.75 | 8.75 | R | 67.2 | 21.4 |
| 64 | 9 | 9 | R½ | 68.5 | 21.8 |
| 65 | 9.25 | 9.25 | S | 69.7 | 22.2 |
| 66 | 9.5 | 9.5 | S½ | 71.0 | 22.6 |
| 67 | 9.75 | 9.75 | T | 72.3 | 23.0 |
| 68 | 10 | 10 | T½ | 73.6 | 23.4 |
Important Notes
- Wide bands: Bands over about 6 mm may feel tighter; we recommend going up half to one size.
- Large knuckles: If your knuckle is noticeably larger than the base of your finger, choose a size that fits over the knuckle; we can advise on comfort fit or sizing.
- Resizing: Many SANSER rings can be resized within a range; engraved, eternity or heavily set styles may have limitations. One complimentary resizing is offered within a set period for eligible pieces. Contact us for details.