Ring Sizes

Ring sizes can often be confusing. We’ve put together this conversion chart for the most common sizes we stock. Diameter and Circumference are given for the internal measurements of the ring.

English L N Q T W Y Z1
American  6 7 8.5 9.5 11 12 13
European 12 15 18.5 21 23 27 28
German 1.7 1.8 1.9 2.0 2.1 2.2 2.3
Japanese 10 13 16 19 23 25 27
Diameter 16mm 17mm 18mm 19.5mm 21mm 21.5mm 22mm
Circumference 50.5mm 53mm 57mm 61mm 65mm 67.5mm 70mm

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