Ring Size Converter → Chart → US size 4
US Ring Size 4
A US/Canada ring size 4 converts as follows across every major standard.
UK / AustraliaH½
Europe (ISO)47
Japan7
Diameter14.9 mm
Diameter0.59 in
Circumference46.8 mm
Not sure size 4 is right? Measure your finger or use the converter to check from a measurement.
Size 4 in context
| US | UK | EU | Japan | Diameter (mm) |
|---|---|---|---|---|
| 3 | F | 44 | 4 | 14.1 |
| 3.5 | G | 45½ | 5 | 14.5 |
| 4 ← | H½ | 47 | 7 | 14.9 |
| 4.5 | I½ | 48 | 8 | 15.3 |
| 5 | J½ | 49 | 9 | 15.7 |
FAQ
What is a US size 4 ring in UK sizes?
A US ring size 4 is a UK/Australia size H½. It also equals European size 47 and Japanese size 7.
What is the diameter of a size 4 ring?
A US size 4 ring has an inside diameter of 14.9 mm (0.59 inches) and an inside circumference of 46.8 mm.
Is a size 4 ring big or small?
Size 4 is on the smaller side and common for women.