Measure the inside diameter (in millimeters) using a ruler. Then compare it to the chart below.
Option 2: No ring on hand?
1. Use a strip of paper or thread. 2. Wrap it around your finger (not too tight). 3. Mark where ends meet. 4. Measure the length = your finger circumference. 5. Use the chart below.
📐Ring Size Conversion Chart
EU Size
Diameter (mm)
Circumference (mm)
US Size
48
15.3
48.0
4.5
50
15.9
50.0
5.25
52
16.5
52.0
6
54
17.2
54.0
7
56
17.8
56.0
7.5
58
18.5
58.0
8.5
60
19.1
60.0
9
✨ Tip: If you’re between two sizes, we recommend choosing the larger one for a more comfortable fit.
