International Ring Size Chart

USA & Canada
Ring Size

Diameter
(inches)

Great
Britain
France
(mm)
Germany
Japan
Switzerland
1
0.487
B
-
-
1
-
1 1/4
0.495
B-1/2
-
-
-
-
1 1/2
0.503
C
-
-
-
-
1 3/4
0.511
C-1/2
-
-
-
-
2
0.520
D
41 1/2
13 1/4
2
1 1/2
2 1/4
0.528
D 1/2
42 1/8
13 1/2
-
-
2 1/2
0.536
E
42 3/4
13 3/4
3
2 3/4
2 3/4
0.544
E 1/2
43 3/8
-
-
3 3/8
3
0.553
F
44
14
4
4
3 1/4
0.561
F 1/2
44 5/8
14 1/4
-
4 5/8
3 1/2
0.569
G
45 1/4
14 1/2
5
5 1/4
3 3/4
0.577
G 1/2
45 7/8
14 3/4
6
5 7/8
4
0.586
H 1/2
46 1/2
15
7
6 1/2
4 1/4
0.594
I
47 1/8
15 1/4
-
7 1/8
4 1/2
0.602
I 1/2
47 3/4
15 1/2
8
7 3/4
4 3/4
0.610
J
48 3/8
-
-
8 3/8
5
0.619
J 1/2
49
15 3/4
9
9
5 1/4
0.627
K
49 5/8
16
-
9 5/8
5 1/2
0.635
K 1/2
50 1/4
16 1/4
10
10 1/4
5 3/4
0.643
L
50 7/8
-
11
10 7/8
6
0.652
L 1/2
51 1/2
16 1/2
12
11 1/2
6 1/4
0.660
M
52 1/8
16 3/4
-
12 1/8
6 1/2
0.668
M 1/2
52 3/4
17
13
12 3/4
6 3/4
0.676
N
53 3/8
-
-
13 3/8
7
0.685
O
54
17 1/4
14
14
7 1/4
0.693
O 1/2
54 /58
17 1/2
0
14 5/8
7 1/2
0.701
P
55 1/4
17 3/4
15
15 1/4
7 3/4
0.709
P 1/2
55 7/8
-
-
15 7/8
8
0.717
Q
56 1/2
18
16
16 1/2
8 1/4
0.726
Q 1/2
57 1/8
18 1/4
-
17 1/8
8 1/2
0.734
R
57 3/4
18 1/2
17
17 3/4
8 3/4
0.742
R 1/2
58 3/8
18 3/4
-
18 3/8
9
0.750
S
59
19
18
19
9 1/4
0.759
S 1/2
59 5/8
19 1/4
-
19 5/8
9 1/2
0.767
-
60 1/4
19 1/2
19
20 1/4
9 3/4
0.775
T
60 7/8
19 3/4
-
20 7/8
10
0.783
T 1/2
61 1/2
20
20
21 1/2
10 1/4
0.792
U
62 1/8
20 1/4
21
22 1/8
10 1/2
0.800
U 1/2
62 3/4
20 1/2
22
22 3/4
10 3/4
0.808
V
63 3/8
-
-
23 3/8
11
0.816
V 1/2
64
20 3/4
23
24
11 1/4
0.825
W
64 5/8
-
-
24 5/8
11 1/2
0.833
W 1/2
65 1/4
21
24
25 1/4
11 3/4
0.841
X
65 7/8
-
-
25 7/8
12
0.849
Y
66 1/2
21 1/4
25
26 1/2
12 1/4
0.858
Y 1/2
67 1/8
21 1/2
-
27 1/8
12 1/2
0.866
Z
67 3/4
21 3/4
26
27 3/4
12 3/4
0.874
Z 1/2
68 3/8
-
-
28 3/8
13
0.882
-
69
22
27
29


ringsize

jewelry@sigidesign.com

PayPal, Visa, MC, Amex

facebook twitter



© Sigi Design