Ring Size Conversion Tool
 
Convert your ring size to the ring size used in other countries.
USA size Diam. inch. Diam. mm Circum. mm
British French German Japanese Swiss
Select a ring size in one category, the rest will change to match.
~
How to determine your ring size.
  1. Wrap a piece of string or a strip of 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 of your finger.
  4. Divide that by 3.14 to get the diametre of your finger.
  5. Look up your ring size using the form above.
The Ring Calculator is Copyrighted and re-produced with kind permission from the onlineconversion.com website. Please visit their website for other fantastic online conversion tools.
 
www.onlineconversion.com