Circumference (mm) to EU Ring Size (Wide Band Fit)
1 Circumference value = 1 EU value · profile-dependent conversion · context: size system and fit profile
Direct Answer
1 Circumference value equals 1 EU value
This result depends on the selected profile context: size system and fit profile.
For 4 Circumference value, this profile returns 3.999999 EU value.
Converter Calculator
1 Circumference (mm) value =
1 EU value
Explanation
Circumference (mm) converts to EU by normalizing to ring diameter in millimeters, then remapping to the target system. Fit profile fixed: Wide Band Fit.
From Circumference value to EU 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 | EU value |
|---|---|
| 4 | 3.999999 |
| 5 | 4.999998 |
| 6 | 5.999998 |
| 7 | 6.999997 |
| 8 | 7.999997 |
| 9 | 8.999997 |
| 10 | 9.999996 |
| 11 | 10.999996 |
| 12 | 11.999996 |
| 13 | 12.999995 |