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This is International ring size conversion guide. On our product page, reference is always made to the Portuguese scale (EN).
For more detailed information and sizes of bracelets and necklaces, visit our page here. Size guide
Diameter Ø (cm) | EN | EU | UK | US |
1.43 |
5 |
45 |
F1/2 |
3.25 |
1.46 |
6 |
46 |
G1/2 |
3.5 |
1.49 |
7 |
47 |
H |
4 |
1.53 |
8 |
48 |
I |
4.5 |
1.56 |
9 |
49 |
J |
5 |
1.59 |
10 |
50 |
K |
5.25 |
1.62 |
11 |
51 |
K1/2 |
5.75 |
1.65 |
12 |
52 |
L1/2 |
6 |
1.69 |
13 |
53 |
M1/2 |
6.5 |
1.72 |
14 |
54 |
N |
7 |
1.75 |
15 |
55 |
O |
7.25 |
1.78 |
16 |
56 |
O1/2 |
7.5 |
1.81 |
17 |
57 |
P1/2 |
8 |
1.85 |
18 |
58 |
Q1/2 |
8.5 |
1.88 |
19 |
59 |
R |
8.75 |
1.91 |
20 |
60 |
R1/2 |
9 |
1.94 |
21 |
61 |
S1/2 |
9.25 |
1.98 |
22 |
62 |
T1/2 |
10 |
2.00 |
23 |
63 |
U |
10.25 |
2.04 |
24 |
64 |
V |
10.75 |
2.07 |
25 |
65 |
W |
11.25 |
2.10 |
26 |
66 |
W1/2 |
11.5 |
2.13 |
27 |
67 |
X1/2 |
12 |
2.17 |
28 |
68 |
Y1/2 |
12.5 |
2.20 |
29 |
69 |
Z1/2 |
12.75 |
2.23 |
30 |
70 |
Z+1 |
13 |