The ring size chart is only a guide, and we recommend that you have your ring finger sized by a reputable jeweller.
Here are some tips to bear in mind when sizing your finger
- Your fingers are usually largest at the end of the day, choose this time to get your finger measured.
- Don't measure your ring size when your hands are cold.
- If possible have your finger sized on different days - this will give a more accurate reading.
- Get a second opinion, just to ensure you have the right sizing, as mistakes cannot be rectified later.
All our rings are sized on the UK size chart
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if you already have a ring you can measure against, download our ring sizer (left)
download ring sizer
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If you do not have Adobe Acrobat Reader you can download it by clicking here
INTERNATIONAL RING SIZE CHART - comparisons are only meant to be a guide
| Diameter |
Diameter |
Circumference |
Circumference |
British |
US/Canada |
Japanese |
Swiss |
| (inches) |
(mm) |
(inches) |
(mm) |
Irish |
Standard |
Equivalent |
Equivalent |
| inside |
inside |
inside |
inside |
Australian |
|
|
|
| |
|
|
|
|
|
|
|
| 0.570 |
14.5 |
1.790 |
45.5 |
G |
3 1/2 |
|
|
| 0.578 |
14.7 |
1.815 |
46.1 |
G 1/2 |
3 3/4 |
6 |
6.50 |
| 0.586 |
14.9 |
1.840 |
46.7 |
H |
4 |
7 |
|
| 0.594 |
15.1 |
1.865 |
47.4 |
H 1/2 |
4 1/4 |
|
7.75 |
| 0.602 |
15.3 |
1.890 |
48.0 |
I |
4 1/2 |
8 |
|
| 0.610 |
15.5 |
1.915 |
48.7 |
J |
4 3/4 |
|
9.00 |
| 0.618 |
15.7 |
1.941 |
49.3 |
J 1/2 |
5 |
9 |
|
| 0.626 |
15.9 |
1.966 |
49.9 |
K |
5 1/4 |
|
10.00 |
| 0.634 |
16.1 |
1.991 |
50.6 |
K 1/2 |
5 1/2 |
10 |
|
| 0.642 |
16.3 |
2.016 |
51.2 |
L |
5 3/4 |
|
11.75 |
| 0.650 |
16.5 |
2.041 |
51.8 |
L 1/2 |
6 |
11 |
12.75 |
| 0.658 |
16.7 |
2.066 |
52.5 |
M |
6 1/4 |
12 |
|
| 0.666 |
16.9 |
2.091 |
53.1 |
M 1/2 |
6 1/2 |
13 |
14.00 |
| 0.674 |
17.1 |
2.116 |
53.8 |
N |
6 3/4 |
|
|
| 0.682 |
17.3 |
2.141 |
54.4 |
N 1/2 |
7 |
14 |
15.25 |
| 0.690 |
17.5 |
2.167 |
55.0 |
O |
7 1/4 |
|
|
| 0.698 |
17.7 |
2.192 |
55.7 |
O 1/2 |
7 1/2 |
15 |
16.50 |
| 0.706 |
17.9 |
2.217 |
56.3 |
P |
7 3/4 |
|
|
| 0.714 |
18.1 |
2.242 |
56.9 |
P 1/2 |
8 |
16 |
17.75 |
| 0.722 |
18.3 |
2.267 |
57.6 |
Q |
8 1/4 |
|
|
| 0.730 |
18.5 |
2.292 |
58.2 |
Q 1/2 |
8 1/2 |
17 |
|
| 0.738 |
18.7 |
2.317 |
58.9 |
R |
8 3/4 |
|
19 |
| 0.746 |
18.9 |
2.342 |
59.5 |
R 1/2 |
9 |
18 |
|
| 0.754 |
19.2 |
2.368 |
60.1 |
S |
9 1/4 |
|
20.25 |
| 0.762 |
19.4 |
2.393 |
60.8 |
S 1/2 |
9 1/2 |
19 |
|
| 0.770 |
19.6 |
2.418 |
61.4 |
T |
9 3/4 |
|
21.5 |
| 0.778 |
19.8 |
2.443 |
62.1 |
T 1/2 |
10 |
20 |
|
| 0.786 |
20.0 |
2.468 |
62.7 |
U |
10 1/4 |
21 |
|
| 0.794 |
20.2 |
2.493 |
63.3 |
U 1/2 |
10 1/2 |
22 |
22.75 |
| 0.802 |
20.4 |
2.518 |
64.0 |
V |
10 3/4 |
|
|
| 0.810 |
20.6 |
2.543 |
64.6 |
V 1/2 |
11 |
23 |
|
| 0.818 |
20.8 |
2.569 |
65.2 |
W |
11 1/4 |
|
25 |
| 0.826 |
21.0 |
2.594 |
65.9 |
W 1/2 |
11 1/2 |
24 |
|
| 0.834 |
21.2 |
2.619 |
66.5 |
X |
11 3/4 |
|
|
| 0.842 |
21.4 |
2.644 |
67.2 |
X 1/2 |
12 |
25 |
27.50 |
| 0.850 |
21.6 |
2.669 |
67.8 |
Y 1/2 |
12 1/4 |
|
|
| 0.858 |
21.8 |
2.694 |
68.4 |
Z |
12 1/2 |
26 |
28.75 |
| 0.866 |
22.0 |
2.719 |
69.1 |
Z 1/2+ |
12 3/4 |
|
|
| 0.874 |
22.2 |
2.744 |
69.7 |
|
13 |
27 |
|
| 0.882 |
22.4 |
2.769 |
70.3 |
Z1 |
13 1/4 |
30 |
31 |
| 0.890 |
22.6 |
2.795 |
71.0 |
|
13 1/2 |
31.47 |
|
| 0.898 |
22.8 |
2.820 |
71.6 |
Z2 |
13 3/4 |
31.31 |
|
| 0.906 |
23.0 |
2.845 |
72.3 |
Z3 |
14 |
32.57 |
|
| 0.914 |
23.2 |
2.870 |
72.9 |
|
14 1/4 |
33.42 |
|
| 0.922 |
23.4 |
2.895 |
73.5 |
Z4 |
14 1/2 |
33.83 |
|
| 0.930 |
23.6 |
2.920 |
74.2 |
|
14 3/4 |
34.71 |
|
| 0.938 |
23.8 |
2.945 |
74.8 |
Z5 1/4 |
15 |
35.40 |
|
| 0.946 |
24.0 |
2.970 |
75.4 |
Z5 3/4 |
15 1/4 |
36 |
|
| 0.954 |
24.2 |
2.996 |
76.1 |
Z6 1/2 |
15 1/2 |
36.69 |
|
| 0.962 |
24.4 |
3.021 |
76.7 |
Z6 3/4 |
15 3/4 |
37.31 |
|
| 0.970 |
24.6 |
3.046 |
77.4 |
Z7 1/4 |
16 |
38 |
|
