Ring Size Chart All BJØRG Jewellery ring sizes are based on circumference in mm. measured on the inside of the ring. Below you can find an overview of various ring sizes.
Circumference in mm - Ring Size
Diameter in mm
Adjustable Ring Sizes
The easiest way to determine a ring size in circumference is to measure the relevant finger with a string or paper. Mark the point where the two ends meet and measure the length against a ruler to identify the correct circumference. The diameter of the finger may easily be identified if you divide the measured circumference with 3,14.
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