The ring which should be opted for engagement ringedding band should fit comfortably. It shouldn’t be not too tight, not too loose. But with different ring size systems across the world, finding the right fit can be confusing.
Use our Ring Size Conversion Chart to ensure a comfortable fit. If you need expert guidance, explore our Ring Size Guide or reach out to our team at Ring Premier.
How to Measure Your Ring Size at Home
If you don’t have a ring sizer, you can measure your size using simple tools at home. Here’s how:
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Use a string or paper strip: Wrap a thin piece of string or a strip of paper around the base of your finger.
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Mark and measure: Mark where the ends meet and measure the length in millimeters.
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Find your size: Use the ring diameter measurement to match your size in our conversion chart below.
For more precise results, use our ring size guide.
Ring Size Conversion Chart
Below is a comprehensive ring size conversion chart to help you find your size across different international standards:
|
Ring Diameter (MM) |
USA/Canada |
United Kingdom |
France |
Germany |
Japan |
Switzerland |
|
14.0 mm. |
3 |
F |
44 |
14 |
4 |
4 |
|
14.4 mm. |
3½ |
G |
45¼ |
14½ |
5½ |
6⅓ |
|
14.8 mm. |
4 |
H½ |
46½ |
15 |
7 |
6½ |
|
15.2 mm. |
4½ |
I½ |
47¾ |
15¼ |
8 |
8 |
|
15.6 mm. |
5 |
J½ |
49 |
15¾ |
9 |
9½ |
|
16.0 mm. |
5½ |
L |
50¾ |
16 |
10½ |
10¾ |
|
16.5 mm. |
6 |
M |
51½ |
16½ |
12 |
12¾ |
|
16.9 mm. |
6½ |
N |
52¾ |
17 |
13 |
14 |
|
17.3 mm. |
7 |
O |
54 |
17¼ |
14 |
15¼ |
|
17.7 mm. |
7½ |
P |
55¼ |
17¾ |
15 |
16½ |
|
18.2 mm. |
8 |
Q |
56¾ |
18 |
16 |
17¾ |
|
18.6 mm. |
8½ |
Q½ |
58 |
18½ |
17 |
18½ |
|
19.0 mm. |
9 |
R½ |
59¼ |
19 |
18 |
20 |
|
19.4 mm. |
9½ |
S½ |
60¾ |
19½ |
19 |
21 |
|
19.8 mm. |
10 |
T½ |
61¾ |
20 |
20 |
21¾ |
|
20.2 mm. |
10½ |
U½ |
62¾ |
20¼ |
22 |
22¾ |
|
20.6 mm. |
11 |
V½ |
64¼ |
20¾ |
23 |
24 |
|
21.0 mm. |
11½ |
W½ |
66 |
21 |
24 |
25¾ |
|
21.4 mm. |
12 |
Y |
67¼ |
21¼ |
25 |
27½ |
|
21.8 mm. |
12½ |
Z |
68 |
21¾ |
26 |
28¾ |
|
22.2 mm. |
13 |
Z + 1 |
69 |
22 |
27 |
29¼ |
|
22.6 mm. |
13½ |
Z + 1.5 |
71 |
22.6 |
- |
31 |
FAQs
1. How do I use the chart to determine my ring size?
Measure your ring’s inner diameter in millimeters and match it to the corresponding size in your country’s column.
2. Is there a difference between men's and women's ring sizes?
No, ring sizes are the same for both men and women. However, wider bands may feel tighter, so consider going up half a size for comfort.
3. What if my size falls between two measurements?
If you're between sizes, it's best to choose the larger size for a more comfortable fit.
4. Does ring size change over time?
Yes, fingers can swell or shrink due to temperature, weight changes, or pregnancy. It’s best to measure your size when your hands are at a normal temperature.
5. How accurate is the chart?
Our ring size conversion chart is highly accurate, but it’s always best to confirm with a professional jeweler for a perfect fit.
6. Do different countries have different ring size standards?
Yes, ring sizing varies by country. Our conversion chart ensures you get the right size whether you’re shopping in the US, UK, Europe, or Asia.
7. Can I determine my ring size based on a ring I already own?
Yes! Simply measure the inside diameter of your existing ring and compare it with the chart.
8. What should I do if I order a ring online that doesn’t fit?
Most jewelers, including Ring Premier, offer resizing services. Check our return and exchange policy for details.