US Size 4.5 in UK — Unisex Rings
US 4.5 =
UK I
United States (US) unisex rings size 4.5 converts to United Kingdom (UK) size I. This is a standard conversion used across most major rings brands and retailers.
When shopping from United Kingdom brands like Goldsmiths, Ernest Jones, Hatton Garden, look for size I 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 4) is UK H, and one size up (US 5) is UK J. 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 Kingdom retailers or ordering United States-sized products from brands like Tiffany & Co. or Kay Jewelers to ship internationally.
Quick Converter
US 4.5 =
UK I
Full US to UK Unisex Rings Size Chart
Frequently Asked Questions
- What is US unisex rings size 4.5 in UK?
- US unisex rings size 4.5 is equivalent to UK size I.
- Is US size 4.5 the same as UK size I?
- Yes, US size 4.5 and UK size I are equivalent in unisex rings sizing. However, fit may vary slightly between brands.
- What if US size 4.5 is too small — what's the next size up in UK?
- The next size up from US 4.5 is US 5, which converts to UK J.