Size Guide For Rings
Cut a strip of paper about 3 mm wide. Wrap it around the base of your finger, and mark it with a pencil to measure its circumference. Measure the length of the paper with a ruler. This length corresponds to the circumference of your finger and is identical to the ring number, according to the European measurement system.
Print this page in full size on A4 paper. To check that it is printed correctly, confirm that the centimeter scale at the bottom of the page is correct. To find your number, use a narrow ring you wear. Match your ring with one of the following circles. If your size is between two circles, select the larger of the two sizes.