Ring Sizing

Please refer to the table below for ring size comparisons. Many rings can also be resized by your local jeweler.

 USA (Qismet Sizing)
Najo Sizing
British Sizing
Inside Circumference
Inside Diameter
6
X Small
L 1/2
52.0 mm
16.5 mm
7
Small
N 1/2
55.0 mm
17.5 mm
8
Medium
P 1/2
57.0 mm
18.0 mm
9
Large
R 1/2
60.0 mm
19.0 mm
10
X Large
T 1/2
62.0 mm
19.8 mm
11
XX Large
V 1/2
64.5 mm
20.6 mm

 

All sizing is approximate.