Ring Size Converter → Chart → US size 6.5
US Ring Size 6.5
A US/Canada ring size 6.5 converts as follows across every major standard.
UK / AustraliaM½
Europe (ISO)53
Japan12
Diameter16.9 mm
Diameter0.67 in
Circumference53.1 mm
Not sure size 6.5 is right? Measure your finger or use the converter to check from a measurement.
Size 6.5 in context
| US | UK | EU | Japan | Diameter (mm) |
|---|---|---|---|---|
| 5.5 | K½ | 50½ | 10 | 16.1 |
| 6 | L½ | 52 | 11 | 16.5 |
| 6.5 ← | M½ | 53 | 12 | 16.9 |
| 7 | N½ | 54 | 13 | 17.3 |
| 7.5 | O½ | 55½ | 14 | 17.7 |
FAQ
What is a US size 6.5 ring in UK sizes?
A US ring size 6.5 is a UK/Australia size M½. It also equals European size 53 and Japanese size 12.
What is the diameter of a size 6.5 ring?
A US size 6.5 ring has an inside diameter of 16.9 mm (0.67 inches) and an inside circumference of 53.1 mm.
Is a size 6.5 ring big or small?
Size 6.5 is a mid-range size, common for women and smaller-fingered men.