Convert finger circumference to ring sizes
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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