The store will not work correctly in the case when cookies are disabled.
JavaScript seems to be disabled in your browser.
For the best experience on our site, be sure to turn on Javascript in your browser.
Home
International Ring Size Conversion Chart
International Ring Size Conversion Chart We understand that getting the best size for your ring is important, especially because its being shipped internationally. All of our rings are made in Comfort Fit Sizing (click HERE to see Comfort Fit vs Standard Fit ). To help you convert your size to our Comfort Fit Sizing, use the simple chart below. If you have any questions, please do not hesitate to contact us. And if for some reason your ring doesn't end up fitting, we're happy to process a simple and easy exchange for you using our 45-day Perfect Fit policy.
Inside
Inside
Inside
Inside
Number Sizes
Comfort Fit Letter Sizes
Diameter
Diameter
Circumference
Circumference
US/Canada
US/Canada
British Swiss
(inches)
(mm)
(inches)
(mm)
Standard
Comfort Irish
Australian
0.458
11.6
1.438
36.5
0
0.466
11.8
1.463
37.2
1/4
0.474
12.0
1.488
37.8
1/2
A
0.482
12.2
1.513
38.4
3/4
A 1/2
0.490
12.4
1.539
39.1
1
1/2
B
0.498
12.6
1.564
39.7
1 1/4
B 1/2
0.506
12.9
1.589
40.4
1 1/2
1 C
0.514
13.1
1.614
41.0
1 3/4
C 1/2
0.522
13.3
1.639
41.6
2
1 1/2 D 1.50
0.530
13.5
1.664
42.3
2 1/4
D 1/2
0.538
13.7
1.689
42.9
2 1/2
2 E 2.75
0.546
13.9
1.714
43.5
2 3/4
E 1/2
0.554
14.1
1.740
44.2
3
2 1/2
F 4.00
0.562
14.3
1.765
44.8
3 1/4
F 1/2 5.25
0.570
14.5
1.790
45.5
3 1/2
3
G
0.578
14.7
1.815
46.1
3 3/4
G 1/2 6.50
0.586
14.9
1.840
46.7
4
3 1/2
H
0.594
15.1
1.865
47.4
4 1/4
H 1/2 7.75
0.602
15.3
1.890
48.0
4 1/2
4
I
0.610
15.5
1.915
48.7
4 3/4
J 9.00
0.618
15.7
1.941
49.3
5
4 1/2 J 1/2
0.626
15.9
1.966
49.9
5 1/4
K
10.00
0.634
16.1
1.991
50.6
5 1/2
5 K 1/2
0.642
16.3
2.016
51.2
5 3/4
L 11.75
0.650
16.5
2.041
51.8
6
5 1/2 L 1/2 12.75
0.658
16.7
2.066
52.5
6 1/4
M
0.666
16.9
2.091
53.1
6 1/2
6
M 1/2 14.00
0.674
17.1
2.116
53.8
6 3/4
N
0.682
17.3
2.141
54.4
7
6 1/2 N 1/2 15.25
0.690
17.5
2.167
55.0
7 1/4
O
0.698
17.7
2.192
55.7
7 1/2
7 O 1/2 16.50
0.706
17.9
2.217
56.3
7 3/4
P
0.714
18.1
2.242
56.9
8
7 1/2
P 1/2 17.75
0.722
18.3
2.267
57.6
8 1/4
Q
0.730
18.5
2.292
58.2
8 1/2
8 Q 1/2
0.738
18.7
2.317
58.9
8 3/4
R 19
0.746
18.9
2.342
59.5
9
8 1/2 R 1/2
0.754
19.2
2.368
60.1
9 1/4
S
20.25
0.762
19.4
2.393
60.8
9 1/2
9 S 1/2
0.770
19.6
2.418
61.4
9 3/4
T 21.5
0.778
19.8
2.443
62.1
10
9 1/2
T 1/2
0.786
20.0
2.468
62.7
10 1/4
U
0.794
20.2
2.493
63.3
10 1/2
10
U 1/2 22.75
0.802
20.4
2.518
64.0
10 3/4
V
0.810
20.6
2.543
64.6
11
10 1/2
V 1/2
0.818
20.8
2.569
65.2
11 1/4
W 25
0.826
21.0
2.594
65.9
11 1/2
11
W 1/2
0.834
21.2
2.619
66.5
11 3/4
X
0.842
21.4
2.644
67.2
12
11 1/2 X 1/2 27.50
0.850
21.6
2.669
67.8
12 1/4
Y
0.858
21.8
2.694
68.4
12 1/2
12 Z 28.75
0.866
22.0
2.719
69.1
12 3/4
Z 1/2
0.874
22.2
2.744
69.7
13
12 1/2
0.882
22.4
2.769
70.3
13 1/4
Z1
0.890
22.6
2.795
71.0
13 1/2
13
0.898
22.8
2.820
71.6
13 3/4
Z2
0.906
23.0
2.845
72.3
14
13 1/2 Z3
0.914
23.2
2.870
72.9
14 1/4
0.922
23.4
2.895
73.5
14 1/2
14 Z4
0.930
23.6
2.920
74.2
14 3/4
0.938
23.8
2.945
74.8
15
14 1/2
0.946
24.0
2.970
75.4
15 1/4
0.954
24.2
2.996
76.1
15 1/2
15
0.962
24.4
3.021
76.7
15 3/4
0.970
24.6
3.046
77.4
16
15 1/2
0.970
24.6
3.046
77.4
16
Tungsten Wedding Bands
All Tungsten Carbide Rings
Men's Tungsten Rings
Women's Tungsten Rings
Clearance
Watches
Bracelets
Pendants
Accessories / Gifts
Warranty