Test Table
|
UK & IRELAND,
Australia, New Zealand |
US Canada, Mexico |
INTERNAL Austria, France, Germany (mostly), Belgium, Norway, Sweden, Finland, Russia (usually), Middle East (usually) |
INTERNAL Switzerland, Spain, Netherlands, Italy |
INTERNAL Sometimes used in Germany, Argentina, Russia |
FAR EAST Japan, China, Korea, Hong Kong, Taiwan, Singapore |
|
|
0 |
36.5 |
-3.5 |
11.6 |
|
|
|
|
37 |
-3 |
|
|
|
|
1/4 |
37.2 |
-2.8 |
11.8 |
|
|
A |
1/2 |
37.8 |
-2.2 |
12 |
|
|
|
|
38 |
-2 |
12.1 |
|
|
A½ |
3/4 |
38.5 |
-1.5 |
12.2 |
|
|
|
|
39 |
-1 |
|
|
|
B |
1 |
39.1 |
-0.9 |
12.4 |
|
|
B½ |
1 1/4 |
39.7 |
-0.3 |
12.6 |
1 |
|
C |
|
40 |
0 |
12.7 |
|
|
C½ |
1 3/4 |
41 |
1 |
13.1 |
|
|
D |
2 |
41.7 |
1.7 |
13.3 |
2 |
|
|
|
42 |
2 |
13.4 |
|
|
D½ |
2 1/4 |
42.3 |
2.3 |
13.5 |
|
|
E |
2 1/2 |
42.9 |
2.9 |
13.7 |
3 |
|
|
|
43 |
3 |
|
|
|
E½ |
2 3/4 |
43.6 |
3.6 |
13.9 |
|
|
F |
|
44 |
4 |
14 |
|
|
F½ |
3 |
44.2 |
4.2 |
14.1 |
4 |
|
G |
3 1/4 |
44.8 |
4.8 |
14.3 |
5 |
|
|
|
45 |
5 |
|
|
|
G½ |
3 1/2 |
45.5 |
5.5 |
14.5 |
|
|
H |
|
46 |
6 |
14.6 |
6 |
|
|
3 3/4 |
46.1 |
6.1 |
14.7 |
|
|
H½ |
4 |
46.8 |
6.8 |
14.9 |
7 |
|
I |
|
47 |
7 |
15 |
|
|
I½ |
4 1/4 |
47.4 |
7.4 |
15.1 |
|
|
J |
4 1/2 |
48 |
8 |
15.3 |
8 |
|
J½ |
4 3/4 |
48.7 |
8.7 |
15.5 |
|
|
|
|
49 |
9 |
15.6 |
9 |
|
|
5 |
49.3 |
9.3 |
15.7 |
|
|
K½ |
5 1/4 |
50 |
10 |
15.9 |
10 |
|
L |
5 1/2 |
50.6 |
10.6 |
16.1 |
|
|
L½ |
|
51 |
11 |
16.2 |
11 |
|
|
5 3/4 |
51.2 |
11.2 |
16.3 |
|
|
M |
6 |
51.9 |
11.9 |
16.5 |
|
|
|
|
52 |
12 |
16.6 |
|
|
M½ |
6 1/4 |
52.5 |
12.5 |
16.7 |
12 |
|
|
|
53 |
13 |
16.9 |
|
|
N |
6 1/2 |
53.1 |
13.1 |
16.9 |
13 |
|
N½ |
|
53.5 |
13.5 |
17 |
|
|
|
6 3/4 |
53.8 |
13.8 |
17.1 |
|
|
|
|
54 |
14 |
17.2 |
|
|
O |
7 |
54.4 |
14.4 |
17.3 |
14 |
|
0½ |
|
55 |
15 |
|
|
|
|
7 1/4 |
55.1 |
15.1 |
17.5 |
|
|
P |
7 1/2 |
55.7 |
15.7 |
17.7 |
15 |
|
|
|
56 |
16 |
17.8 |
|
|
P½ |
7 3/4 |
56.3 |
16.3 |
17.9 |
|
|
|
|
56.5 |
16.5 |
18 |
16 |
|
Q |
8 |
57 |
17 |
18.1 |
|
|
Q½ |
8 1/4 |
57.6 |
17.6 |
18.3 |
17 |
|
|
|
58 |
18 |
|
|
|
R |
8 1/2 |
58.3 |
18.3 |
18.5 |
|
|
|
8 3/4 |
58.9 |
18.9 |
18.7 |
18 |
|
R½ |
|
59 |
19 |
18.8 |
|
|
S |
9 |
59.5 |
19.5 |
18.9 |
19 |
|
S½ |
9 1/4 |
60 |
20 |
19.1 |
|
|
|
9 1/2 |
60.8 |
20.8 |
19.4 |
|
|
T |
|
61 |
21 |
|
20 |
|
T½ |
9 3/4 |
61.4 |
21.4 |
19.6 |
|
|
|
|
62 |
22 |
19.7 |
21 |
|
U |
10 |
62.1 |
22.1 |
19.8 |
|
|
10½ |
10 1/4 |
62.7 |
22.7 |
20 |
22 |
|
|
|
63 |
23 |
20.1 |
|
|
V |
10 1/2 |
63.4 |
23.4 |
20.2 |
|
|
V½ |
10 3/4 |
64 |
24 |
20.4 |
23 |
|
W |
11 |
64.6 |
24.6 |
20.6 |
24 |
|
|
|
65 |
25 |
20.7 |
|
|
W½ |
11 1/4 |
65.3 |
25.3 |
20.8 |
|
|
X |
11 1/2 |
65.9 |
25.9 |
21 |
25 |
|
|
|
66 |
26 |
|
|
|
X½ |
11 3/4 |
66.6 |
26.6 |
21.2 |
26 |
|
|
|
67 |
27 |
21.3 |
|
|
Y |
12 |
67.2 |
27.2 |
21.4 |
|
|
|
12 1/4 |
67.8 |
27.8 |
21.6 |
|
|
Y½ |
|
68 |
28 |
21.6 |
27 |
|
Z |
12 1/2 |
68.5 |
28.5 |
21.8 |
28 |
|
|
|
69 |
29 |
|
|
|
Z½ |
12 3/4 |
69.1 |
29.1 |
22 |
|
|
Z+1 |
13 |
69.7 |
29.7 |
22.2 |
|
|
|
|
70 |
30 |
22.3 |
29 |
|
Z+1 ½ |
13 1/4 |
70.4 |
30.4 |
22.4 |
|
|
Z+2 |
13 1/2 |
71 |
31 |
22.6 |
30 |
|
Z+2 ½ |
13 3/4 |
71.7 |
31.7 |
22.8 |
|
|
|
|
72 |
32 |
22.9 |
31 |
|
Z+3 |
14 |
72.3 |
32.3 |
23 |
|
|
Z+3 ½ |
14 1/4 |
72.9 |
32.9 |
23.2 |
32 |
|
|
|
73 |
33 |
|
|
|
Z+4 |
14 1/2 |
73.6 |
33.6 |
23.4 |
|
|
Z+4 ½ |
|
74 |
34 |
|
33 |
|
|
14 3/4 |
74.2 |
34.2 |
23.6 |
|
|
Z+5 |
15 |
74.8 |
34.8 |
23.8 |
|
|
Z+5 ½ |
|
75 |
35 |
23.9 |
34 |
|
|
15 1/4 |
75.5 |
35.5 |
24 |
|
|
|
|
76 |
36 |
|
|
|
Z+6 |
15 1/2 |
76.1 |
36.1 |
24.2 |
|
|
Z+6 ½ |
15 3/4 |
76.8 |
36.8 |
24.4 |
|
|
|
|
77 |
37 |
24.5 |
|
|
Z+7 |
16 |
77.4 |
37.4 |
24.6 |
|
|
Source for this chart for other sizes International Ring Size Conversion Chart for Comfort Fit – Hanover Jewelers
Other sources: The Official International Ring Size Conversion Chart (ringsizes.co) International Ring Size Conversion Chart (gessweincanada.com)
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