Ring Size Converter → Chart → US size 12.5
US Ring Size 12.5
A US/Canada ring size 12.5 converts as follows across every major standard.
UK / AustraliaZ
Europe (ISO)68½
Japan26
Diameter21.8 mm
Diameter0.86 in
Circumference68.4 mm
Not sure size 12.5 is right? Measure your finger or use the converter to check from a measurement.
Size 12.5 in context
| US | UK | EU | Japan | Diameter (mm) |
|---|---|---|---|---|
| 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 12.5 ring in UK sizes?
A US ring size 12.5 is a UK/Australia size Z. It also equals European size 68½ and Japanese size 26.
What is the diameter of a size 12.5 ring?
A US size 12.5 ring has an inside diameter of 21.8 mm (0.86 inches) and an inside circumference of 68.4 mm.
Is a size 12.5 ring big or small?
Size 12.5 is on the larger side and common for men.