Size Conversion
Getting the right ring size
If you already have a ring that fits your finger nicely, then you can use this to determine the right ring size:
1. Take a ruler and measure straight across the inside of the ring, from edge to edge.
1. Take a ruler and measure straight across the inside of the ring, from edge to edge.
2. Measure the diameter in millimeters, then check our conversion table to determine your ring size.
Use our complimentary ring sizer.
We can gladly send you a complimentary ring sizer so you can determine your ring size from the comfort of your home. Request ring sizer here.
|
INTERNAL DIAMETER IN MM
|
US
|
UK
|
EUROPE
|
|
15.1
|
4.25
|
1
|
46.5
|
|
15.4
|
4.75
|
I 1/2
|
48.5
|
|
15.75
|
5
|
J 1/2
|
49
|
|
16.1
|
5.25
|
K 1/2
|
50.5
|
|
16.3
|
5.75
|
L
|
51
|
|
16.4
|
|
|
51.5
|
|
16.5
|
6
|
L 1/2
|
52
|
|
16.75
|
|
M
|
|
|
16.9
|
6.5
|
M 1/2
|
53
|
|
17.15
|
6.75
|
N
|
53.5
|
|
17.3
|
7
|
N 1/2
|
54
|
|
17.5
|
7.25
|
O
|
55
|
|
17.9
|
|
P
|
56
|
|
18.2
|
8
|
P 1/2
|
57
|
|
18.5
|
8.5
|
Q 1/2
|
58
|
|
18.8
|
|
R
|
59
|
|
19
|
9
|
R 1/2
|
59.5
|
|
19.2
|
|
S
|
60
|
|
19.4
|
9.5
|
S 1/2
|
61
|
|
19.6
|
|
T
|
|
|
19.8
|
10
|
T 1/2
|
62
|
|
20
|
|
U
|
62.5
|
|
20.2
|
10.5
|
U 1/2
|
63
|
|
20.4
|
|
V
|
64
|
|
20.6
|
11
|
V 1/2
|
64.5
|
|
20.9
|
|
|
65.5
|