Free US to EU Ring Size Chart & Calculator
Use our free men's ring size converter to convert between US, UK, EU, and Japan sizes. Our ring size chart helps you find the perfect fit by measuring finger circumference. Ideal for buying engagement rings and wedding bands online.
Wrap a strip of paper around your finger snugly. Mark where it overlaps, then measure the length in mm. Alternatively, measure the inner diameter of a ring that fits.
Wrap a strip of paper or string around your finger snugly but not too tight. Mark where it overlaps, then measure the length in millimeters. This is your finger circumference. Use a ring size chart to convert to your size.
US men's ring size 10 is approximately EU size 62. US sizes are numbered from 1-16, while EU sizes use the inner circumference in millimeters.
The average men's ring size is between US 9 and US 11, with size 10 being most common. This corresponds to a finger circumference of approximately 59-64mm.
| Circ (mm) | US | EU | UK | Japan |
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