How to Find Your Perfect Ring Size
How to Find Your Perfect Ring Size
Choosing the right ring size doesn’t have to be difficult. Follow these two simple methods to measure your ring size at home and find the perfect fit for your jewelry.
① Measure an Existing Ring
Have a ring that already fits? Measure the inside diameter of the ring and match it with the chart below.
- Select a ring that fits the finger you want to wear your new ring on.
- Measure the inside diameter in millimeters (mm).
- Find your size using the conversion chart.
| Internal Diameter (mm) | US / CAN | UK / AUS | German |
|---|---|---|---|
| 14.1 mm | 3 | F | 14 |
| 14.5 mm | 3.5 | G | 14.5 |
| 14.9 mm | 4 | H 1/2 | 15 |
| 15.3 mm | 4.5 | I 1/2 | 15.25 |
| 15.7 mm | 5 | J 1/2 | 15 3/4 |
| 16.1 mm | 5.5 | K 1/2 | 16 |
| 16.5 mm | 6 | L 1/2 | 16 1/2 |
| 16.9 mm | 6.5 | M 1/2 | 16.75 |
| 17.3 mm | 7 | O | 17 1/4 |
| 17.7 mm | 7.5 | P | 17.75 |
| 18.1 mm | 8 | Q | 18 |
| 18.5 mm | 8.5 | R | 18.5 |
| 19.0 mm | 9 | S | 19 |
| 19.8 mm | 10 | U | 19 3/4 |
| 20.6 mm | 11 | W | 20 1/2 |
| 21.4 mm | 12 | Y | 21 1/2 |
| 22.2 mm | 13 | Z1 | 22.25 |
② Measure Your Finger
No ring available? You can measure your finger using a simple paper method.
- Cut a thin strip of paper.
- Wrap it around your finger where the ring will sit.
- Mark where the paper overlaps.
- Measure the length in millimeters and compare with the chart.
| Finger Circumference (mm) | US / CAN | UK / AUS | German |
|---|---|---|---|
| 44.2 mm | 3 | F | 14 |
| 45.55 mm | 3.5 | G | 14.5 |
| 46.8 mm | 4 | H 1/2 | 15 |
| 48.07 mm | 4.5 | I 1/2 | 15.25 |
| 49.3 mm | 5 | J 1/2 | 15 3/4 |
| 50.56 mm | 5.5 | K 1/2 | 16 |
| 51.9 mm | 6 | L 1/2 | 16 1/2 |
| 54.4 mm | 7 | O | 17 1/4 |
| 57.0 mm | 8 | Q | 18 |
| 59.5 mm | 9 | S | 19 |
| 62.1 mm | 10 | U | 19 3/4 |
| 65.97 mm | 11.5 | X | 21 |
| 69.76 mm | 13 | Z1 | 22.25 |
✨ Tips for the Best Fit
- Measure your finger at the end of the day when your fingers are slightly larger.
- Keep your hands warm before measuring.
- Avoid measuring after salty foods or alcohol, which may cause temporary swelling.
- If you are between sizes, we recommend choosing the larger size.