Ring Size Converter → Chart → US size 12
US Ring Size 12
A US/Canada ring size 12 converts as follows across every major standard.
UK / AustraliaY
Europe (ISO)67½
Japan25
Diameter21.4 mm
Diameter0.84 in
Circumference67.2 mm
Not sure size 12 is right? Measure your finger or use the converter to check from a measurement.
Size 12 in context
| US | UK | EU | Japan | Diameter (mm) |
|---|---|---|---|---|
| 11 | V½ | 65 | 23 | 20.6 |
| 11.5 | W½ | 66 | 24 | 21.0 |
| 12 ← | Y | 67½ | 25 | 21.4 |
| 12.5 | Z | 68½ | 26 | 21.8 |
| 13 | Z+1 | 70 | 27 | 22.2 |
FAQ
What is a US size 12 ring in UK sizes?
A US ring size 12 is a UK/Australia size Y. It also equals European size 67½ and Japanese size 25.
What is the diameter of a size 12 ring?
A US size 12 ring has an inside diameter of 21.4 mm (0.84 inches) and an inside circumference of 67.2 mm.
Is a size 12 ring big or small?
Size 12 is on the larger side and common for men.