International Ring Sizes Chart
Internal
Circumference (mm)
Circumference (mm)
Internal
Diameter (mm)
Diameter (mm)
UK, EU
& Australia
& Australia
USA &
Cananda
Cananda
Aisa
44.2
14.1
F
3
4
44.8
14.3
F½
5
45.5
14.5
G
3½
46.1
14.7
G½
6
46.8
14.9
H
4
7
47.4
15.1
H½
48
15.3
I
4½
8
48.7
15.5
J
49.3
15.7
J½
5
9
50
15.9
K
50.6
16.1
K½
5½
10
51.2
16.3
L
51.9
16.5
L½
6
11
52.5
16.7
M
12
53.1
16.9
M½
6½
13
53.8
17.1
N
54.4
17.3
N½
7
14
55.1
17.5
O
55.7
17.7
O½
7½
15
56.3
17.9
P
57
18.1
P½
8
16
57.6
18.3
Q
58.3
18.5
Q½
8½
17
58.9
18.8
R
59.5
19
R½
9
18
60.2
19.2
S
60.8
19.4
S½
9½
19
61.4
19.6
T
62.1
19.8
T½
10
20
62.7
20
U
21
63.4
20.2
U½
10½
22
64
20.4
V
64.6
20.6
V½
11
23
65.3
20.8
W
65.9
21
W½
11½
24
66.6
21.2
X
67.2
21.4
X½
12
25
67.8
21.6
Y
68.5
21.8
Z
12½
26
69.1
22
Z½
69.7
22.2
Z+1
13
27
70.4
22.4
Please use this table to help calculate the ring size you require. I can mail out finger sizers if required.
For customers suffering from arthritis, there a number of solutions available to make rings fit over awkward knuckles.
Please do not hesitate
to contact me with any questions.
to contact me with any questions.