RING SIZEs.
Ring Size Conversion Chart.
Find your perfect fit with our UK–US ring size comparison, including matching diameters and circumferences in millimetres.
We couldn’t match that ring size. Double-check it and try again.
We couldn’t match that ring size. Double-check it and try again.
| UK Size | US Size | Diameter (mm) | Circumference (mm) |
|---|