Inside Diameter (mm)
|
Inside Circumference (mm) |
British & Australian |
US & Canada |
French & Russian |
14.05 |
44.14 |
F |
3 |
44 |
14.36 |
45.11 |
G |
3 3/8 |
45 1/4 |
14.65 |
46.02 |
H |
3 3/4 |
46 1/2 |
15.04 |
47.25 |
I |
4 1/4 |
47 3/4 |
15.40 |
48.38 |
J |
4 5/8 |
49 |
15.80 |
49.64 |
K |
5 1/8 |
50 |
16.10 |
50.58 |
L |
5 1/2 |
51 3/4 |
16.51 |
51.87 |
M |
6 |
52 3/4 |
16.92 |
53.16 |
N |
6 1/2 |
54 |
17.35 |
54.51 |
O |
7 |
55 1/4 |
17.75 |
55.76 |
P |
7 1/2 |
56 1/2 |
18.19 |
57.15 |
Q |
8 |
57 3/4 |
18.61 |
58.47 |
R |
8 5/8 |
59 |
Above are the most common ring sizes that we carry.
For other sizes and conversions please refer to: www.ringsizes.co