Ring Size Converter → Chart → US size 10
US Ring Size 10
A US/Canada ring size 10 converts as follows across every major standard.
UK / AustraliaT½
Europe (ISO)62
Japan20
Diameter19.8 mm
Diameter0.78 in
Circumference62.1 mm
Not sure size 10 is right? Measure your finger or use the converter to check from a measurement.
Size 10 in context
| US | UK | EU | Japan | Diameter (mm) |
|---|---|---|---|---|
| 9 | R½ | 59½ | 18 | 19.0 |
| 9.5 | S½ | 61 | 19 | 19.4 |
| 10 ← | T½ | 62 | 20 | 19.8 |
| 10.5 | U½ | 63½ | 22 | 20.2 |
| 11 | V½ | 65 | 23 | 20.6 |
FAQ
What is a US size 10 ring in UK sizes?
A US ring size 10 is a UK/Australia size T½. It also equals European size 62 and Japanese size 20.
What is the diameter of a size 10 ring?
A US size 10 ring has an inside diameter of 19.8 mm (0.78 inches) and an inside circumference of 62.1 mm.
Is a size 10 ring big or small?
Size 10 is on the larger side and common for men.