.

( Ring Size Chart )

 SIZE Inside Diameter
(Inches)
6 14mm
7 14.3mm
8 14.7mm
9 14.9mm
10 15.3mm
11 15.7mm
12 16.1mm
13 16.5mm
14 16.7mm
15 17.1mm
16 17.3mm
17 17.7mm
18 18.2mm
19 18.5mm
20 18.8mm
21 19.2mm
22 19.4mm
23 19.8mm
24 20.2mm
25 20.6mm
26 21mm
27 21.2mm
28 21.6mm
29 22mm

 

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1. How To Measure A Ring

Measure it from the inside diameter of the ring edge to edge