Ring Size Guide
At Nerrii we use Hong Kong standard ring sizes. Please note that ring sizes may vary slightly between brands. We advise that for best fit, confirm against actual ring/finger measurement. If you're between sizes, we recommend that you choose the bigger size.
| Nerrii Ring Size | Inner Diameter of Ring (mm) | Finger Circumference (mm) |
| 6 | ~14.1 | ~44.3 |
| 8 | ~14.7 | ~46.2 |
| 10 | ~15.3 | ~48.1 |
| 12 | ~16.1 | ~50.6 |
| 14 | ~16.7 | ~52.5 |
| 16 | ~17.3 | ~54.3 |
| 18 | ~18.2 | ~57.2 |
| 20 | ~18.8 | ~59.1 |
| 22 | ~19.4 | ~61 |
| 24 | ~20.2 | ~63.5 |
| 26 | ~21 | ~66 |
| 28 | ~21.6 | ~67.9 |
Two ways to find your Nerrii ring size
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Measuring the inner diameter of the ring
You can use either a ruler or a measuring tape to measure the inner diameter of your ring to determine your Nerrii ring size. Alternatively, there are smartphone apps available that can help determine your inner ring diameter.
Use your measured diameter and check with the table above to find your ring size. If you're between sizes, we recommend that you choose the bigger size.
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Measuring the circumference of your finger
Finding the perfect ring size is easy with a few simple steps!
- Wrap a measuring tape snugly around your finger to get an accurate measurement. Don’t have measuring tape? No problem! You can use string, floss, or even a strip of paper—just measure it against a ruler afterward.
- A little tip: Your fingers can change size depending on the weather and other factors. They tend to shrink in the cold and swell after exercise, drinking alcohol, or in hot weather—so try to measure them when they’re at their usual size.
- If you have larger knuckles, you might want to go up a size to make sure your ring can slide on comfortably.
Check the table above to find your ring size.