US to Diameter (mm) Ring Size (Comfort 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: Comfort 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.
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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 |