Whether you’re surprising someone or shopping for yourself, getting the right ring size is essential. Here are two easy ways to measure your ring size at home.
1. Choose a ring that fits the intended finger well.
2. Measure the internal diameter (in mm) using a ruler.
3. Match the measurement to the sizing chart below.
| Internal Diameter (mm) | Ring Size (US) |
|---|---|
| 14.8 mm | 4 |
| 15.6 mm | 5 |
| 16.5 mm | 6 |
| 17.3 mm | 7 |
| 18.1 mm | 8 |
| 19.0 mm | 9 |
| 19.8 mm | 10 |
1. Cut a strip of paper or use a string.
2. Wrap it snugly around the base of your finger.
3. Mark the point where the ends meet.
4. Measure the length (in mm) and match it to the chart below.
| Finger Circumference (mm) | Ring Size (US) |
|---|---|
| 46.8 mm | 4 |
| 49.0 mm | 5 |
| 51.5 mm | 6 |
| 54.0 mm | 7 |
| 56.6 mm | 8 |
| 59.1 mm | 9 |
| 61.6 mm | 10 |
– Measure your finger at the end of the day when it’s largest.
– Avoid measuring when your hands are cold – this can make them smaller.
– If you’re between sizes, we recommend sizing up for comfort.
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