US to Diameter (mm) Ring Size (Standard Fit)
1 US value = 12.4428 Diameter value · profile-dependent conversion · context: size system and fit profile
Direct Answer
1 US value equals 12.4428 Diameter value
This result depends on the selected profile context: size system and fit profile.
For 4 US value, this profile returns 14.8812 Diameter value.
Converter Calculator
1 US value =
12.4428 Diameter (mm) value
Explanation
US converts to Diameter (mm) by normalizing to ring diameter in millimeters, then remapping to the target system. Fit profile fixed: Standard Fit.
From US value to Diameter value, results depend on the selected size system and fit profile and stay consistent with that profile across table rows and calculator input.
Read more
Keep the same profile in both directions to avoid mixing lookup systems that use different size mappings.
Common Conversion Values
| US value | Diameter (mm) value |
|---|---|
| 4 | 14.8812 |
| 5 | 15.694 |
| 6 | 16.5068 |
| 7 | 17.3196 |
| 8 | 18.1324 |
| 9 | 18.9452 |
| 10 | 19.758 |
| 11 | 20.5708 |
| 12 | 21.3836 |
| 13 | 22.1964 |