Free US to EU Ring Size Chart & Calculator
Use our free women's ring size converter to convert between US, UK, EU, and Japan sizes. Our ring size chart makes it easy to measure your finger and find the perfect fit. Perfect for buying engagement rings and jewelry online.
Wrap a strip of paper around your finger snugly. Mark where it overlaps, then measure the length in mm. Measure at end of day when fingers are largest.
Wrap a strip of paper around your finger, mark where it overlaps, and measure in millimeters. For accurate results, measure at the end of the day when your fingers are slightly larger, and measure the finger you plan to wear the ring on.
US women's ring size 6 is approximately EU size 52. US sizes are numbered differently than EU sizes, which use the inner circumference of the ring in millimeters.
The average women's ring size is between US 5 and US 7, with size 6 being most common. This corresponds to a finger circumference of approximately 49-54mm.
| Circ (mm) | US | EU | UK | Japan |
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