ISO 53 in US Ring Size
Inner circumference:50.6–55.6mm
Size Chart
| ISO | US | UK |
|---|---|---|
| 49 | 5 | J |
| 51 | 5.5 | K |
| 52 | 6 | L |
| 53 | 6.5 | M |
| 54 | 7 | N |
| 56 | 7.5 | O |
| 57 | 8 | P |
Frequently Asked Questions
What is ISO 53 in US rings size?
ISO 53 converts to approximately US 6.5 in rings sizing.
How do I convert ISO 53 to US?
ISO 53 equals US 6.5. This conversion is based on standard sizing charts, but may vary by brand.
What ring size should I order if I'm ISO 53?
If your ring size is ISO 53, order US 6.5. When in doubt, go slightly larger as rings can be resized down.