How to Measure Your Ring Size
The most important thing when ordering a ring is to know your correct ring size and include this information completely on the order form.
If you don't know your size, you can easily determine it using one of the two simple methods below.
1. Method: Determining Size with Diameter
If you have a ring you've worn before, you can follow these steps:
- Choose the ring that fits your finger.
- Use a ruler in millimeters (mm).
- Place the ring horizontally on a flat surface and measure only the inside diameter.
- Make sure to measure at the widest point.
- Check the resulting value in the table below.
2. Method: Determining Your Ring Size with Circumference
If you don't have a suitable ring:
- Take a thin strip of paper or wire.
- Wrap it around your finger and mark the joint.
- Measure the length with a ruler (in mm).
- This value is your finger circumference.
- Find the corresponding size from the table below.
Ring Size Table
DIAMETER (mm) |
ENVIRONMENT (mm) |
DIMENSION (TR) |
14.7 | 46 | 6 |
15.0 | 47 | 7 |
15.3 | 48 | 8 |
15.6 | 49 | 9 |
15.9 | 50 | 10 |
16.2 | 51 | 11 |
16.5 | 52 | 12 |
16.8 | 53 | 13 |
17.2 | 54 | 14 |
17.5 | 55 | 15 |
17.8 | 56 | 16 |
18.1 | 57 | 17 |
18.4 | 58 | 18 |
18.8 | 59 | 19 |
19.1 | 60 | 20 |
19.4 | 61 | 21 |
19.7 | 62 | 22 |
20.0 | 63 | 23 |
20.3 | 64 | 24 |
20.6 | 65 | 25 |
21.0 | 66 | 26 |
21.3 | 67 | 27 |
21.6 | 68 | 28 |
22.0 | 69 | 29 |
22.3 | 70 | 30 |
Note: Dimensions may vary by ±0.5 size depending on the model.
Tips for Correct Sizing
- ✔ For wide-form rings, you can choose a half-size larger.
- ✔ If your finger is thicker than the base of your knuckle, measure so that it passes comfortably through the knuckle.
- ✔ Take your measurement in the evening; Fingers may swell during the day.
- ✔ If you're between two sizes, the one size up is usually more comfortable.
Not sure?
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