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Ring Size Guide
FINDING YOUR PERFECT FIT IS VERY EASY.
If you already know your ring size
Measure an Existing Ring
1. Select an existing ring that fits the desired finger.
Else
International Ring Size Conversion Chart
Inside Diameter
Inside Circumference
Sizes
MM
Inches
MM
Inches
British & Australian
US & Canada
French & Russian
German
Japanese
Swiss
9.91
0.390
31.13
1.22
–
0000
–
–
–
–
10.72
0.442
33.68
1.39
–
00
–
–
–
–
11.53
0.454
36.22
1.43
–
0
–
–
–
–
11.95
0.474
37.54
1.49
A
1/2
–
–
–
–
12.18
0.482
38.26
1.51
A 1/2
3/4
–
–
–
–
12.37
0.487
38.86
1.53
B
1
–
–
1
–
12.60
0.496
39.58
1.56
B 1/2
1 1/4
–
–
–
–
12.78
0.503
40.15
1.58
C
1 1/2
–
–
–
–
13.00
0.512
40.84
1.61
C 1/2
1 3/4
–
–
–
–
13.21
0.520
41.50
1.63
D
2
41 1/2
13 1/2
2
1 1/2
13.41
0.528
42.13
1.66
D 1/2
2 1/4
–
–
–
–
13.61
0.536
42.76
1.68
E
2 1/2
42 3/4
13 3/4
3
2 3/4
13.83
0.544
43.45
1.71
E 1/2
2 3/4
–
–
–
–
14.05
0.553
44.14
1.74
F
3
44
14
4
4
14.15
0.557
44.45
1.75
F 1/2
3 1/8
–
–
–
–
14.25
0.561
44.77
1.76
F 3/4
3 1/4
–
–
–
–
14.36
0.565
45.11
1.77
G
3 3/8
45 1/4
–
5
5 1/4
14.45
0.569
45.40
1.79
G 1/4
3 1/2
–
14 1/2
–
–
14.56
0.573
45.74
1.80
G 1/2
3 5/8
–
–
6
–
14.65
0.577
46.02
1.81
H
3 3/4
46 1/2
–
–
6 1/2
14.86
0.585
46.68
1.84
H 1/2
4
–
15
7
–
15.04
0.592
47.25
1.86
I
4 1/4
47 3/4
–
–
7 3/4
15.27
0.601
47.97
1.89
I 1/2
4 1/2
–
15 1/4
8
–
15.40
0.606
48.38
1.90
J
4 5/8
49
15 1/2
–
9
15.53
0.611
48.79
1.92
J 1/4
4 3/4
–
–
–
–
15.70
0.618
49.32
1.94
J 1/2
5
–
15 3/4
9
–
15.80
0.622
49.64
1.95
K
5 1/8
50
–
–
10
15.90
0.626
49.95
1.97
K 1/4
5 1/4
–
–
–
–
16.00
0.630
50.27
1.98
K 1/2
5 3/8
–
–
10
–
16.10
0.634
50.58
1.99
L
5 1/2
51 3/4
16
–
11 3/4
16.30
0.642
51.21
2.02
L 1/4
5 3/4
–
–
–
–
16.41
0.646
51.55
2.03
L 1/2
5 7/8
–
–
–
–
16.51
0.650
51.87
2.04
M
6
52 3/4
16 1/2
12
12 3/4
16.71
0.658
52.50
2.07
M 1/2
6 1/4
–
–
–
–
16.92
0.666
53.16
2.09
N
6 1/2
54
17
13
14
17.13
0.674
53.82
2.12
N 1/2
6 3/4
–
–
–
–
17.35
0.683
54.51
2.15
O
7
55 1/4
17 1/4
14
15 1/4
17.45
0.687
54.82
2.16
O 1/2
7 1/4
–
–
–
–
17.75
0.699
55.76
2.20
P
7 1/2
56 1/2
17 3/4
15
16 1/2
17.97
0.707
56.45
2.22
P 1/2
7 3/4
–
–
–
–
18.19
0.716
57.15
2.25
Q
8
57 3/4
18
16
17 3/4
18.35
0.722
57.65
2.27
Q 1/2
8 1/4
–
–
–
–
18.53
0.729
58.21
2.29
Q 3/4
8 1/2
–
18 1/2
17
–
18.61
0.733
58.47
2.30
R
8 5/8
59
–
–
19
18.69
0.736
58.72
2.31
R 1/4
8 3/4
–
–
–
–
18.80
0.740
59.06
2.32
R 1/2
8 7/8
–
–
–
–
18.89
0.748
59.34
2.35
R 3/4
9
–
19
18
–
19.10
0.752
60.00
2.36
S
9 1/8
60 1/4
–
–
20 1/4
19.22
0.757
60.38
2.38
S 1/4
9 1/4
–
–
–
–
19.31
0.760
60.66
2.39
S 1/2
9 3/8
–
–
–
–
19.41
0.764
60.98
2.40
S 3/4
9 1/2
–
19 1/2
19
–
19.51
0.768
61.29
2.41
T
9 5/8
61 1/2
–
–
21 1/2
19.62
0.772
61.64
2.43
T 1/4
9 3/4
–
–
–
–
19.84
0.781
62.33
2.45
T 1/2
10
–
20
20
–
20.02
0.788
62.89
2.48
U
10 1/4
62 3/4
–
21
22 3/4
20.20
0.797
63.46
2.50
U 1/2
10 1/2
–
20 1/4
22
–
20.32
0.800
63.84
2.51
V
10 5/8
63
–
–
23 3/4
20.44
0.805
64.21
2.53
V 1/4
10 3/4
–
–
–
–
20.68
0.814
64.97
2.56
V 1/2
11
–
20 3/4
23
–
20.76
0.817
65.22
2.57
W
11 1/8
65
–
–
25
20.85
0.821
65.50
2.58
W 1/4
11 1/4
–
–
–
–
20.94
0.824
65.78
2.59
W 1/2
11 3/8
–
–
–
–
21.08
0.830
66.22
2.61
W 3/4
11 1/2
–
21
24
–
21.18
0.834
66.54
2.62
X
11 5/8
66 1/4
–
–
26 1/4
21.24
0.836
66.73
2.63
X 1/4
11 3/4
–
–
–
–
21.30
0.839
66.92
2.64
X 1/2
11 7/8
–
–
–
–
21.49
0.846
67.51
2.66
Y
12
67 1/2
21 1/4
25
27 1/2
21.69
0.854
68.14
2.68
Y 1/2
12 1/4
–
–
–
–
21.89
0.862
68.77
2.71
Z
12 1/2
68 3/4
21 3/4
26
28 3/4
22.10
0.870
69.43
2.73
Z +1/2
12 3/4
–
–
–
–
22.33
0.879
70.15
2.76
Z+1
13
–
22
27
–
22.60
0.890
71.00
2.80
Z+1.5
13.5
–
–
–
–
22.69
0.893
71.28
2.81
Z+2
–
–
–
–
–
22.92
0.902
72.00
2.83
Z+2.5
–
–
–
–
–
23.06
0.908
72.45
2.85
Z+3
–
–
–
–
–
23.24
0.915
73.01
2.87
Z+3.5
–
–
–
–
–
23.47
0.924
73.73
2.90
Z+4
–
–
–
–
–
23.55
0.927
73.98
2.91
Z+4.5
–
–
–
–
–
23.87
0.940
74.99
2.95
Z+5
–
–
–
–
–
24.27
0.956
76.25
3.00
Z+6
–
–
–
–
–
