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