Please use the following chart to estimate your ring size or the conversion of various ring sizes to U.S. standard ring sizes. The "Length in inches or mm" measurements can be used to estimate your finger size:
Ring Size and Estimating
1.Wrap a piece of string or a strip of paper around your finger.
2.Mark the point where the two ends meet.
3.Measure the string or paper against a ruler.
4.Compare the length to the chart below.
|
US Size |
Length inches |
Length metric mm |
British |
French |
German |
Japanese |
Swiss |
|
3 |
1.735 |
44 |
F |
44 |
14 |
4 |
4 |
|
3.5 |
1.79 |
45.2 |
G |
45 1/4 |
14 1/2 |
5 |
5 1/4 |
|
4 |
1.835 |
46.5 |
H 1/2 |
46 1/2 |
15 |
7 |
7 1/4 |
|
4.5 |
1.89 |
47.8 |
I 1/2 |
47 3/4 |
15 1/4 |
8 |
8 3/4 |
|
5 |
1.943 |
49 |
J 1/2 |
50 |
15 3/4 |
9 |
9 1/2 |
|
5.5 |
2 |
50.3 |
L |
51 3/4 |
16 |
11 |
11 3/4 |
|
6 |
2.045 |
51.5 |
M |
52 3/4 |
16 1/2 |
12 |
12 3/4 |
|
6.5 |
2.10 |
52.8 |
N |
54 |
17 |
13 |
14 |
|
7 |
2.15 |
54 |
O |
55 1/4 |
17 1/4 |
14 |
15 1/4 |
|
7.5 |
2.20 |
55.3 |
P |
56 1/2 |
17 3/4 |
15 |
16 1/2 |
|
8 |
2.25 |
56.6 |
Q |
57 3/4 |
18 |
16 |
17 3/4 |
|
8.5 |
2.30 |
57.8 |
Q 1/2 |
58 1/2 |
18 1/2 |
17 |
18 1/2 |
|
9 |
2.35 |
59.1 |
S |
60 |
19 |
18 |
19 3/4 |
|
9.5 |
2.40 |
60.3 |
T |
61 1/2 |
19 1/2 |
19 |
21 |
|
10 |
2.46 |
61.6 |
T 1/2 |
62 1/4 |
20 |
20 |
22 |
|
10.5 |
2.51 |
62.8 |
U 1/2 |
63 |
20 1/4 |
22 |
23 1/4 |
|
11 |
2.56 |
64.1 |
V 1/2 |
64 1/2 |
20 3/4 |
23 |
24 |
|
11.5 |
2.61 |
65.3 |
X |
66 1/4 |
21 |
24 |
25 3/4 |
|
12 |
2.63 |
66.6 |
Y |
67 1/2 |
21 1/4 |
25 |
27 1/2 |
|
12.5 |
2.71 |
67.9 |
Z |
68 3/4 |
21 3/4 |
26 |
28 3/4 |
|
13 |
2.76 |
69.1 |
Z 1/2 |
70 |
22 |
27 |
29 1/4 |
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