Amadeus Ring Size Guide
Amadeus rings are available in USA size 6 to 9. If you are unsure what yours is, please use this ring size chart or contact our customer support for advice at support@cerqular.com
RING SIZE CHART (FOR INCHES AND MM)
US Ring Size |
Diameter (mm) |
Circumference (mm) |
Diameter (inches) |
Circumference (inches) |
6 |
16.51 |
51.87 |
0.650 |
2.04 |
6 ¼ |
16.71 |
52.50 |
0.658 |
2.07 |
6 ½ |
16.92 |
53.15 |
0.666 |
2.09 |
6 ¾ |
17.13 |
53.82 |
0.674 |
2.12 |
7 |
17.35 |
54.51 |
0.683 |
2.14 |
7 ¼ |
17.45 |
54.82 |
0.687 |
2.17 |
7 ½ |
17.75 |
55.76 |
0.699 |
2.20 |
7 ¾ |
17.97 |
56.45 |
0.707 |
2.22 |
8 |
18.19 |
57.15 |
0.716 |
2.25 |
8 ¼ |
18.35 |
57.65 |
0.722 |
2.27 |
8 ½ |
18.53 |
58.21 |
0.729 |
2.29 |
8 ¾ |
18.69 |
58.72 |
0.736 |
2.31 |
9 |
18.89 |
59.34 |
0.748 |
2.35 |
Find your country in the list below to determine which ring size system to use:
- US ring size: United States, Canada, Mexico
- British ring size: United Kingdom, Australia, New Zealand, South Africa, Ireland
- European ring size: France, Russia, Denmark, Sweden, Norway, Finland
- German ring size: Germany, Argentina
- Brazilian ring size: Brazil
- Japanese ring size: Japan, China, Korea, Hong Kong, Taiwan, Singapore
- Swiss ring size: Switzerland, Spain
If you don't see your country listed, it very likely still uses one of the above ring size systems.
US Size (US, CA, MX) |
British Size (UK, AU, NZ, ZA, IE) |
European Size |
German Size (DE, AR) |
Brazilian Size (BR) |
Japanese Size (JP, CN, KR, HK, TW, SG) |
Swiss Size (CH, ES) |
6 |
M |
51.5 |
16.50 |
15 |
12.0 |
|
6 1/4 |
M 1/2 |
52.5 |
16.75 |
16 |
12 |
12.5 |
6 1/2 |
N |
53.0 |
17.00 |
13 |
13.5 |
|
6 3/4 |
N 1/2 |
53.5 |
17 |
14.0 |
||
7 |
O |
54.5 |
17.25 |
14 |
14.5 |
|
7 1/4 |
O 1/2 |
55.0 |
17.50 |
18 |
15.0 |
|
7 1/2 |
P |
55.5 |
17.75 |
19 |
15 |
16.0 |
7 3/4 |
P 1/2 |
56.5 |
18.00 |
16 |
16.5 |
|
8 |
Q |
57.0 |
18.25 |
20 |
17.0 |
|
8 1/4 |
Q 1/2 |
57.5 |
17 |
18.0 |
||
8 1/2 |
R |
58.0 |
18.50 |
21 |
18.5 |
|
8 3/4 |
R 1/2 |
59.0 |
18.75 |
22 |
18 |
19.0 |
9 |
S |
59.5 |
19.00 |
19 |
20.0 |
We are here to help
Please note that the above size chart is a guide and may vary slightly. If you would like assistance, please contact us HERE.