International Ring Size Converter

Legend

Instructions

  1. Wrap a piece of string or paper around your finger.
  2. Mark the point where the two ends meet.
  3. Measure the string or paper against a ruler to get the circumference (in millimeteres) of your finger.
  4. Divide that number by 3.14 to get the diameter of your finger.
  5. Use the interactive table above to convert your ring size.