Ring Sizing Chart

RING SIZE CONVERSION
US, CANADA
UK, AUSTRALIA, IRELAND, NEW ZEALAND
JAPAN, INDIA, CHINA, SOUTH AFRICA
SPAIN, ITALY, NETHERLANDS, SWITZERLAND
INSIDE DIAMETER & CIRCUMFERENCE(MM)
4
H
7
6.75
14.88 & 46.8
4.25
H1/2
7.5
15.09 & 47.4
4.5
I
8
8
15.29 & 48
4.75
J
8.75
15.49 & 48.7
5
J1/2
9
9.25
15.7 & 49.3
5.25
K
10
15.9 & 50
5.5
K1/2
10
10.5
16.1 & 50.6
5.75
L
11.25
16.31 & 51.2
6
L1/2
11
11.75
16.51 & 51.9
6.25
M
12
12.5
16.71 & 52.5
6.5
M1/2
13
13.25
16.92 & 53.1
6.75
N
13.75
17.12 & 53.8
7
N1/2
14
14.5
17.32 & 54.4
7.25
O
15
17.53 & 55.1
7.5
O1/2
15
15.75
17.73 & 55.7
7.75
P
16.25
17.93 & 56.3
8
P1/2
16
17
18.14 & 57
8.25
Q
17.5
18.34 & 57.6
8.5
Q1/2
17
18.25
18.54 & 58.3
8.75
R
19
18.75 & 58.9
9
R1/2
18
19.5
18.95 & 59.5
9.25
S
20.25
19.15 & 60.2
9.5
S1/2
19
20.75
19.35 & 60.8
9.75
T
21.5
19.56 & 61.4
10
T1/2
20
22
19.76 & 62.1
10.25
U
21
22.75
19.96 & 62.7
10.5
U1/2
22
23.25
20.17 & 63.4
10.75
V
24
20.37 & 64
11
V1/2
23
24.75
20.57 & 64.6
11.25
W
25.25
20.78 & 65.3
11.5
W1/2
24
26
20.98 & 65.9
11.75
X
26.5
21.18 & 66.6
12
X1/2
25
27.25
21.39 & 67.2
12.25
Y
27.75
21.59 & 67.8
12.5
Z
26
28.5
21.79 & 68.5
12.75
Z1/2
29
22 & 69.1
13
27
29.75
22.2 & 69.7
13.25
Z1
30.5
22.4 & 70.4
13.5
31
22.61 & 71
13.75
Z2
31.75
22.81 & 71.7
14
Z3
32.25
23.01 & 72.3
14.25
33
23.22 & 72.9
14.5
Z4
33.5
23.42 & 73.6
14.75
34.25
23.62 & 74.2
15
34.75
23.82 & 74.7
15.25
35.5
24.03 & 75.5
15.5
36.25
24.23 & 76.1
15.75
36.75
24.43 & 76.8
16
37.5
24.64 & 77.4