EU Size 63.4 in US — Unisex Rings
EU 63.4 =
US 10.5
European (EU) unisex rings size 63.4 converts to United States (US) size 10.5. This is a standard conversion used across most major rings brands and retailers.
When shopping from United States brands like Tiffany & Co., Kay Jewelers, Blue Nile, look for size 10.5 on the label. Keep in mind that sizing can vary slightly between brands, so always check the specific brand's size chart if available.
For reference, one size down (EU 62.1) is US 10, and one size up (EU 64.6) is US 11. If you're between sizes, most fitting guides recommend sizing up for comfort.
This conversion is especially useful for international shoppers purchasing unisex from United States retailers or ordering European-sized products from brands like Swarovski or Pomellato to ship internationally.
Quick Converter
EU 63.4 =
US 10.5
Full EU to US Unisex Rings Size Chart
| EU | US |
|---|---|
| 44 | 3 |
| 45.5 | 3.5 |
| 46.8 | 4 |
| 48 | 4.5 |
| 49.3 | 5 |
| 50.6 | 5.5 |
| 51.9 | 6 |
| 53.1 | 6.5 |
| 54.4 | 7 |
| 55.7 | 7.5 |
| 57 | 8 |
| 58.3 | 8.5 |
| 59.5 | 9 |
| 60.8 | 9.5 |
| 62.1 | 10 |
| 63.4 | 10.5 |
| 64.6 | 11 |
| 65.9 | 11.5 |
| 67.2 | 12 |
| 68.5 | 12.5 |
| 69.7 | 13 |
| 71 | 13.5 |
| 72.3 | 14 |
| 74.8 | 15 |
Frequently Asked Questions
- What is EU unisex rings size 63.4 in US?
- EU unisex rings size 63.4 is equivalent to US size 10.5.
- Is EU size 63.4 the same as US size 10.5?
- Yes, EU size 63.4 and US size 10.5 are equivalent in unisex rings sizing. However, fit may vary slightly between brands.
- What if EU size 63.4 is too small — what's the next size up in US?
- The next size up from EU 63.4 is EU 64.6, which converts to US 11.