- Wrap a strip of paper around your finger where you'd like your ring to be.
- Make sure that the paper is pulled snug to your finger, the tighter the better, to find your best fit.
- Mark the spot where the paper meets and measure the distance with a ruler (mm).
- Use the circumference column in the chart below to find your size.
Alternatively: Find another ring that fits the finger you want and measure the internal diameter of it in mm, matching the size to the chart.