Method 1

1. Use a ribbon or a strip of paper.
2. Wrap it around your finger where you would like your ring to be.
3. Mark the spot where the two pieces meet.
4. Using a ruler, measure the paper or the ribbon in millimeters.
5. Use the conversion chart below to determine your ring size.

Method 2

1. Select a ring that already fits you.
2. Measure the inside diameter of the ring in millimeters.
3. Use the conversion chart below to determine your ring size.