|
Ring Size
(Finnish standard)
|
Diameter
(mm)
|
Circumference
(mm)
|
European
(EU standard)
|
US &
Canada
|
UK &
Australia
|
|
15
|
14.9
|
46.8
|
47
|
4
|
H
|
|
15.25
|
15.2
|
47.8
|
48
|
4.5
|
I
|
|
15.5
|
15.6
|
49
|
49
|
5
|
J
|
|
16
|
15.9
|
50
|
50
|
5.25
|
K
|
|
16.25
|
16.2
|
50.9
|
51
|
5.5
|
K 1/2
|
|
16.5
|
16.5
|
51.8
|
52
|
6
|
L
|
|
16.75
|
16.8
|
52.8
|
53
|
6.5
|
M
|
|
17
|
17.2
|
54
|
54
|
7
|
N
|
|
17.5
|
17.5
|
55
|
55
|
7.25
|
N 1/2
|
|
17.75
|
17.8
|
55.9
|
56
|
7.5
|
O 1/2
|
|
18
|
18.1
|
56.9
|
57
|
8
|
P 1/2
|
|
18.25
|
18.4
|
57.8
|
58
|
8.5
|
Q
|
|
18.5
|
18.8
|
59.1
|
59
|
8.75
|
R 1/4
|
|
19
|
19.1
|
60
|
60
|
9.5
|
S
|
Bracelet / Wrist size recommendations
|
