How to Measure Your Ring Size
This guide is designed to help you find the perfect ring size by providing simple steps to measure your finger accurately. Using this guide ensures that your ring fits comfortably and securely, reducing the risk of it being too tight or loose, so you can enjoy wearing your new piece with confidence.
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Option 1: Measure a Ring You Already Own
- Take a well-fitting ring and place it on a ruler.
- Measure the inside diameter in millimeters (mm).
- Use our Ring Size Chart below to find your size.
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Option 2: Measure Your Finger with a String
- Cut a thin strip of paper or use a piece of string.
- Wrap it around the base of your finger (not too tight).
- Mark where the ends meet & measure the length.
- Use our Ring Size Chart below to find your size.
Ring Size Chart
Ring Size (US) | Diameter (mm) | Circumference (mm) | UK/AU Size |
---|---|---|---|
5 | 15.7 | 49.3 | J 1/2 |
6 | 16.5 | 51.9 | L 1/2 |
7 | 17.3 | 54.4 | N 1/2 |
8 | 18.1 | 57.0 | P 1/2 |

Tips for Accurate Ring Sizing
- Measure your finger at the end of the day when it's at its largest.
- Avoid measuring in cold temperatures, as fingers shrink.
- If you're between sizes, go for the larger size for comfort.
- For wide band rings, consider going up half a size.