Ring Size Converter → Chart → US size 13
US Ring Size 13
A US/Canada ring size 13 converts as follows across every major standard.
UK / AustraliaZ+1
Europe (ISO)70
Japan27
Diameter22.2 mm
Diameter0.87 in
Circumference69.7 mm
Not sure size 13 is right? Measure your finger or use the converter to check from a measurement.
Size 13 in context
| US | UK | EU | Japan | Diameter (mm) |
|---|---|---|---|---|
| 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 13 ring in UK sizes?
A US ring size 13 is a UK/Australia size Z+1. It also equals European size 70 and Japanese size 27.
What is the diameter of a size 13 ring?
A US size 13 ring has an inside diameter of 22.2 mm (0.87 inches) and an inside circumference of 69.7 mm.
Is a size 13 ring big or small?
Size 13 is on the larger side and common for men.