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Ring Sizing Guide
Hot and cold weather, time of day, weight, diet and many other factors tend to have a significant effect on an individual's ring size. Therefore, the most reliable technique to determine your ring size is to wear it for a couple of months under different conditions. Everyone has different shaped fingers and knuckles. A well fitting ring should sit comfortably on the finger, and have some resistance when being pulled off. If you have no idea what your ring size is, the best way is to visit at least one reputable jeweler. Titan Trade Jewelry does not recommend using paper or string method to determine ring size, as these methods are not accurate.
American/Canadian Sizing
Titan Trade Jewelry uses American/Canadian sizing measures ring sizes from the bottom line of the ring where it lands on the ring mandrel. As most of our rings are wide (6 - 8mm), please ensure you use a wide ring gauge when getting your finger sized. If you are using a narrow ring gauge then compensate by going at least a 1/2 size bigger to accommodate the wider ring.
Please be advised that European or International methods of sizing do not correspond exactly to North American sizing. The most accurate way for European or International customers to determine their ring size is by using the inside diameter method. The sizing ring used for measuring should be the same width as the ring being ordered. The conversion table below shows the corresponding American/Canadian sizes from European or International sizes.
|
US/Canada
Ring sizes |
Inner
Diameter |
Inner
Diameter |
Inner
Circumference |
Inner
Circumference |
British,
Irish,
Australian
sizes |
Japanese
sizes |
Swiss
sizes |
|
Standard |
(inches) |
(mm) |
(inches) |
(mm) |
Equivalent |
Equivalent |
Equivalent |
|
0 |
0.458 |
11.6 |
1.438 |
36.5 |
|
|
|
|
1/4 |
0.466 |
11.8 |
1.463 |
37.2 |
|
|
|
|
1/2 |
0.474 |
12.0 |
1.488 |
37.8 |
A |
|
|
|
3/4 |
0.482 |
12.2 |
1.513 |
38.4 |
A 1/2 |
|
|
|
1 |
0.490 |
12.4 |
1.539 |
39.1 |
B |
1 |
|
|
1 1/4 |
0.498 |
12.6 |
1.564 |
39.7 |
B 1/2 |
|
|
|
1 1/2 |
0.506 |
12.9 |
1.589 |
40.4 |
C |
|
|
|
1 3/4 |
0.514 |
13.1 |
1.614 |
41.0 |
C 1/2 |
|
|
|
2 |
0.522 |
13.3 |
1.639 |
41.6 |
D |
2 |
1.50 |
|
2 1/4 |
0.530 |
13.5 |
1.664 |
42.3 |
D 1/2 |
|
|
|
2 1/2 |
0.538 |
13.7 |
1.689 |
42.9 |
E |
3 |
2.75 |
|
2 3/4 |
0.546 |
13.9 |
1.714 |
43.5 |
E 1/2 |
|
|
|
3 |
0.554 |
14.1 |
1.740 |
44.2 |
F |
4 |
4.00 |
|
3 1/4 |
0.562 |
14.3 |
1.765 |
44.8 |
F 1/2 |
5 |
5.25 |
|
3 1/2 |
0.570 |
14.5 |
1.790 |
45.5 |
G |
|
|
|
3 3/4 |
0.578 |
14.7 |
1.815 |
46.1 |
G 1/2 |
6 |
6.50 |
|
4 |
0.586 |
14.9 |
1.840 |
46.7 |
H |
7 |
|
|
4 1/4 |
0.594 |
15.1 |
1.865 |
47.4 |
H 1/2 |
|
7.75 |
|
4 1/2 |
0.602 |
15.3 |
1.890 |
48.0 |
I |
8 |
|
|
4 3/4 |
0.610 |
15.5 |
1.915 |
48.7 |
J |
|
9.00 |
|
5 |
0.618 |
15.7 |
1.941 |
49.3 |
J 1/2 |
9 |
|
|
5 1/4 |
0.626 |
15.9 |
1.966 |
49.9 |
K |
|
10.00 |
|
5 1/2 |
0.634 |
16.1 |
1.991 |
50.6 |
K 1/2 |
10 |
|
|
5 3/4 |
0.642 |
16.3 |
2.016 |
51.2 |
L |
|
11.75 |
|
6 |
0.650 |
16.5 |
2.041 |
51.8 |
L 1/2 |
11 |
12.75 |
|
6 1/4 |
0.658 |
16.7 |
2.066 |
52.5 |
M |
12 |
|
|
6 1/2 |
0.666 |
16.9 |
2.091 |
53.1 |
M 1/2 |
13 |
14.00 |
|
6 3/4 |
0.674 |
17.1 |
2.116 |
53.8 |
N |
|
|
|
7 |
0.682 |
17.3 |
2.141 |
54.4 |
N 1/2 |
14 |
15.25 |
|
7 1/4 |
0.690 |
17.5 |
2.167 |
55.0 |
O |
|
|
|
7 1/2 |
0.698 |
17.7 |
2.192 |
55.7 |
O 1/2 |
15 |
16.50 |
|
7 3/4 |
0.706 |
17.9 |
2.217 |
56.3 |
P |
|
|
|
8 |
0.714 |
18.1 |
2.242 |
56.9 |
P 1/2 |
16 |
17.75 |
|
8 1/4 |
0.722 |
18.3 |
2.267 |
57.6 |
Q |
|
|
|
8 1/2 |
0.730 |
18.5 |
2.292 |
58.2 |
Q 1/2 |
17 |
|
|
8 3/4 |
0.738 |
18.7 |
2.317 |
58.9 |
R |
|
19 |
|
9 |
0.746 |
18.9 |
2.342 |
59.5 |
R 1/2 |
18 |
|
|
9 1/4 |
0.754 |
19.2 |
2.368 |
60.1 |
S |
|
20.25 |
|
9 1/2 |
0.762 |
19.4 |
2.393 |
60.8 |
S 1/2 |
19 |
|
|
9 3/4 |
0.770 |
19.6 |
2.418 |
61.4 |
T |
|
21.5 |
|
10 |
0.778 |
19.8 |
2.443 |
62.1 |
T 1/2 |
20 |
|
|
10 1/4 |
0.786 |
20.0 |
2.468 |
62.7 |
U |
21 |
|
|
10 1/2 |
0.794 |
20.2 |
2.493 |
63.3 |
U 1/2 |
22 |
22.75 |
|
10 3/4 |
0.802 |
20.4 |
2.518 |
64.0 |
V |
|
|
|
11 |
0.810 |
20.6 |
2.543 |
64.6 |
V 1/2 |
23 |
|
|
11 1/4 |
0.818 |
20.8 |
2.569 |
65.2 |
W |
|
25 |
|
11 1/2 |
0.826 |
21.0 |
2.594 |
65.9 |
W 1/2 |
24 |
|
|
11 3/4 |
0.834 |
21.2 |
2.619 |
66.5 |
X |
|
|
|
12 |
0.842 |
21.4 |
2.644 |
67.2 |
X 1/2 |
25 |
27.50 |
|
12 1/4 |
0.850 |
21.6 |
2.669 |
67.8 |
Y |
|
|
|
12 1/2 |
0.858 |
21.8 |
2.694 |
68.4 |
Z |
26 |
28.75 |
|
12 3/4 |
0.866 |
22.0 |
2.719 |
69.1 |
Z 1/2 |
|
|
|
13 |
0.874 |
22.2 |
2.744 |
69.7 |
|
27 |
|
|
13 1/4 |
0.882 |
22.4 |
2.769 |
70.3 |
Z1 |
|
|
|
13 1/2 |
0.890 |
22.6 |
2.795 |
71.0 |
|
|
|
|
13 3/4 |
0.898 |
22.8 |
2.820 |
71.6 |
Z2 |
|
|
|
14 |
0.906 |
23.0 |
2.845 |
72.3 |
Z3 |
|
|
|
14 1/4 |
0.914 |
23.2 |
2.870 |
72.9 |
|
|
|
|
14 1/2 |
0.922 |
23.4 |
2.895 |
73.5 |
Z4 |
|
|
|
14 3/4 |
0.930 |
23.6 |
2.920 |
74.2 |
|
|
|
|
15 |
0.938 |
23.8 |
2.945 |
74.8 |
|
|
|
|
15 1/4 |
0.946 |
24.0 |
2.970 |
75.4 |
|
|
|
|
15 1/2 |
0.954 |
24.2 |
2.996 |
76.1 |
|
|
|
|
15 3/4 |
0.962 |
24.4 |
3.021 |
76.7 |
|
|
|
|
16 |
0.970 |
24.6 |
3.046 |
77.4 |
|
|
|
|
