Circumference (mm) to UK Ring Size (Comfort Fit)
1 Circumference value = -12.03456 UK value · profile-dependent conversion · context: size system and fit profile
Direct Answer
1 Circumference value equals -12.03456 UK value
This result depends on the selected profile context: size system and fit profile.
For 4 Circumference value, this profile returns -10.859695 UK value.
Converter Calculator
1 Circumference (mm) value =
-12.03456 UK value
Explanation
Circumference (mm) converts to UK by normalizing to ring diameter in millimeters, then remapping to the target system. Fit profile fixed: Comfort Fit.
From Circumference value to UK 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
| Circumference (mm) value | UK value |
|---|---|
| 4 | -10.859695 |
| 5 | -10.468074 |
| 6 | -10.076453 |
| 7 | -9.684831 |
| 8 | -9.29321 |
| 9 | -8.901588 |
| 10 | -8.509967 |
| 11 | -8.118346 |
| 12 | -7.726724 |
| 13 | -7.335103 |