UK |
INCHES DIAMETER |
MM DIAMETER |
 |
 |
 |
 |
 |
 |
| |
A |
0.474 |
|
11.95 |
|
|
B |
0.487 |
|
12.37 |
|
|
C |
0.503 |
|
12.78 |
|
|
D |
0.520 |
|
13.21 |
|
|
E |
0.536 |
|
13.61 |
|
|
F |
0.553 |
|
14.05 |
|
|
G |
0.568 |
|
14.36 |
|
|
H |
0.583 |
|
14.65 |
|
|
I |
0.590 |
|
15.04 |
|
|
J |
0.614 |
|
15.40 |
|
|
K |
0.625 |
|
15.80 |
|
|
L |
0.634 |
|
16.10 |
|
|
M |
0.650 |
|
16.51 |
|
|
N |
0.666 |
|
16.92 |
|
|
O |
0.683 |
|
17.35 |
|
|
P |
0.699 |
|
17.75 |
|
|
Q |
0.716 |
|
18.19 |
|
|
R |
0.738 |
|
18.61 |
|
|
S |
0.754 |
|
19.10 |
|
|
T |
0.769 |
|
19.51 |
|
|
U |
0.785 |
|
20.02 |
|
|
V |
0.800 |
|
20.32 |
|
|
W |
0.816 |
|
20.76 |
|
|
X |
0.830 |
|
21.18 |
|
|
Y |
0.846 |
|
21.49 |
|
|
Z |
0.862 |
|
21.89 |
|
|
|
|
To find her ring size simply measure the internal diameter of one of her rings and compare it to the chart on the left to get the ring size. |
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