Ring Size Guide
Find your size in 2 minutes. All you need is a strip of paper (or a piece of non-stretch string), a pen and a ruler.
How to measure
- Wrap the paper or string around the base of the finger you want to wear the ring on. Keep it snug, but not tight.
- Mark the point where the ends meet.
- Lay it flat and measure the length in millimeters. This is your finger's circumference. Find the closest circumference in the chart below.
Size chart
| US | UK | EU | ES | Diameter (mm) |
Circumference (mm) |
|---|---|---|---|---|---|
| 7 | O | 55 | 15 | 17.5 | 55 |
| 8 | Q | 57 | 17 | 18.3 | 57.5 |
| 9 | S | 60 | 20 | 19.1 | 60 |
| 10 | U | 63 | 23 | 20.0 | 62.8 |
| 11 | W | 65 | 25 | 20.8 | 65.4 |
| 12 | Y | 68 | 28 | 21.6 | 67.8 |
| 13 | Z+1 | 70 | 30 | 22.4 | 70.4 |
UK, EU and ES sizes are the closest match to each ring's inner measurements.
Tips
- Measure at the end of the day, when your fingers are slightly larger.
- Measure two or three times for the best result.
- Make sure the ring can slide over your knuckle.
- If you're between two sizes, choose the larger one.
- Already have a ring that fits that finger? Measure its inner diameter and compare it with the chart.
- For the most accurate readings, wear the ring on your index, middle or ring finger.