Ring Size Chart


To determine your ring size:

1) Use a piece of string or dental floss and wrap it around the base of your finger.
2) Use a pen to mark the point on the string where the end meets.
3) Use a ruler to measure the string.
4) Choose the closest measurement to the chart below to find your ring size.

Alternatively, you can download this handy sizing tool.

Sizes

Inside Diam. 

Inside Circum.

US & CA

UK & AU

MM

In

MM

In

5
J 1/2
15.7
0.618
49.32
1.94
5.5
L
16.1
0.634
50.58
1.99
6
M
16.51
0.65
51.87
2.04
6.5
N
16.92
0.666
53.16
2.09
7
O
17.35
0.683
54.51
2.15
7.5
P
17.75
0.699
55.76
2.2
8
Q
18.19
0.716
57.15
2.25
8.5
Q 3/4
18.53
0.729
58.21
2.29
9
R 3/4
18.89
0.748
59.34
2.35
9.5
S 3/4
19.41
0.764
60.98
2.4
10
T 1/2
19.84
0.781
62.33
2.45
10.5
U 1/2
20.2
0.797
63.46
2.5
11
V 1/2
20.68
0.814
64.97
2.56
11.5
W 3/4
21.08
0.83
66.22
2.61
12
Y
21.49
0.846
67.51
2.66
12.5
Z
21.89
0.862
68.77
2.71
13
Z+1
22.33
0.879
70.15
2.76
13.5
Z+1.5
22.6
0.89
71
2.8