Size guide
If you're unsure of your ring size, there are a few simple ways to check:
- If you have a ring that fits comfortably, measure the inside diameter with a ruler.
- Once you have the measurement in millimeters, refer to our conversion table to find your ring size.
|
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 |
Another great option is to download a ring sizer app- we recommend the 'Ring Sizer by Jason Withers' that can be found here and here.