Ring size

Ring size chart

Diameter (inside)

Circumference (inside)

 Size
mm
inch
mm
inch
UK
US
16.51 0.65 51.9 2.04 L 6
17.32 0.68 54.4 2.14 N 7
18.14 0.71 57.0 2.24 P 8
18.95 0.75 59.5 2.34 R 9
19.76 0.78 62.1 2.44 T 10
20.57 0.81 64.6 2.54 W 11
21.39 0.84 67.2 2.65 X 12
22.20 0.87 69.7 2.75 Z 13
23.01 0.91 72.3 2.85 Z2 14