Ring size conversion table for american (us), uk, china, australia and canada. Convert jewelry ring size to mm, inches.
If you know your ring size in inches or millimeters, check our ring size conversion chart to find out what ring size you need to order. If you don' t know your ring.
Look up your ring size using the table below. U.S.A. Size, British / Australian Size, German Size, Circumferece (mm), Diameter (mm) 10, T 1/2, 20.