Lengths and Sizing
Ring size guide
Learn how to find out your ring size without leaving home.
All of our rings are listed in USA ring sizing. The ring size conversion chart below will help you find your correct size.
How to measure your ring size in mm.
- Use a strip of paper and wrap it around your ring finger. Make sure it fits over the knuckle.
- Use a pen to mark where the paper overlaps.
- Measure the length of the paper from the start to the pen mark using a ruler with mm measurement.
- Use the chart below to match your circumference size to your correct ring size from the first column.
For 100% accurate sizing, we recommend you visit your local jeweler.
Ring Size Conversion Chart
US, Canada | IRE, UK, AUS | Inside Diameter (mm) | Circumference (mm) |
---|---|---|---|
3 | F | 14.1 | 44.2 |
3.5 | G | 14.5 | 45.4 |
4 | H | 14.9 | 46.7 |
4.5 | I | 15.3 | 58 |
5 | J | 15.7 | 49.3 |
5.5 | K | 16.1 | 50.6 |
6 | L | 16.5 | 51.9 |
6.5 | M | 16.9 | 53.2 |
7 | N | 17.3 | 54.5 |
7.5 | O | 17.7 | 55.8 |
8 | P | 18.2 | 57.2 |
8.5 | Q | 18.5 | 58.2 |
9 | R | 18.9 | 59.3 |
9.5 | S | 19.5 | 61 |
10 | T | 19.8 | 62.3 |
10.5 | U | 20.2 | 63.5 |
11 | V | 20.7 | 65 |
11.5 | W | 21.1 | 66.2 |
12 | X | 21.5 | 67.5 |
12.5 | Y | 21.9 | 68.8 |
13 | Z | 22.3 | 70.2 |
14 | Z+2 | 22.7 | 71.3 |