US to EU Ring Sizes
Type a size to convert
Full Size Chart
| US | UK | EU | JP | Inner circumference |
|---|---|---|---|---|
| 3 | F | 44 | 4 | 44.2mm |
| 3.5 | G | 45.5 | 5 | 45.5mm |
| 4 | H | 47 | 7 | 46.8mm |
| 4.5 | I | 48 | 8 | 48mm |
| 5 | J | 49 | 9 | 49.3mm |
| 5.5 | K | 50.5 | 10 | 50.6mm |
| 6 | L | 51.5 | 12 | 51.9mm |
| 6.5 | M | 53 | 13 | 53.1mm |
| 7 | N | 54 | 14 | 54.4mm |
| 7.5 | O | 55.5 | 15 | 55.7mm |
| 8 | P | 57 | 16 | 57mm |
| 8.5 | Q | 58 | 17 | 58.3mm |
| 9 | R | 59 | 18 | 59.5mm |
| 9.5 | S | 60.5 | 19 | 60.8mm |
| 10 | T | 62 | 20 | 62.1mm |
| 10.5 | U | 63 | 22 | 63.4mm |
| 11 | V | 64 | 23 | 64.6mm |
| 11.5 | W | 65.5 | 24 | 65.9mm |
| 12 | X | 67 | 25 | 67.2mm |
| 13 | Z | 69.5 | 27 | 69.7mm |
Finding the right ring size across international standards doesn't have to be complicated. Our US to EU converter below gives you instant, accurate results for every standard size. United States sizing follows a different scale than Europe, but with this chart, you can shop across borders without the guesswork. Locate your US size in the chart and the corresponding EU size is right beside it. As always, checking the specific brand's measurements is recommended for the most precise fit.
Frequently Asked Questions
How do I convert US to EU ring sizes?
Use our US to EU conversion chart above. Find your US size in the left column and read across to find the EU equivalent. You can also type your size into the converter for an instant result.
Are US and EU ring sizes the same?
No, US and EU use different sizing systems for ring. The numbering scales differ, so a direct comparison isn't possible without a conversion chart. Our table above provides all the correct equivalents.
How accurate are ring size conversions?
Our size conversions are based on international standards and verified against multiple authoritative sources. They represent the most widely accepted equivalents. However, individual brands may size slightly differently, so we recommend trying items on when possible or checking the brand's own size guide.
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Need help? Read our How to Measure Ring Size guide.