Inner Diameter (mm) to UK Fitted Hat Size (Loose Fit)
1 Inner Diameter value = -0.96063 UK Fitted value · profile-dependent conversion · context: size system and fit profile
Direct Answer
1 Inner Diameter value equals -0.96063 UK Fitted value
This result depends on the selected profile context: size system and fit profile.
For 6 Inner Diameter value, this profile returns -0.76378 UK Fitted value.
Converter Calculator
1 Inner Diameter (mm) value =
-0.96063 UK Fitted value
Explanation
Inner Diameter (mm) converts to UK Fitted by normalizing to head circumference in millimeters, then mapping to the destination system. Fit profile fixed: Loose Fit.
Inner Diameter value to UK Fitted value is profile-bound here: the selected size system and fit profile controls the mapping used by calculator and reference table.
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Keep the same profile in both directions to avoid mixing lookup systems that use different size mappings.
Common Conversion Values
| Inner Diameter (mm) value | UK Fitted value |
|---|---|
| 6 | -0.76378 |
| 6.5 | -0.744094 |
| 7 | -0.724409 |
| 7.25 | -0.714567 |
| 7.5 | -0.704724 |
| 8 | -0.685039 |
| 54 | 1.125984 |
| 56 | 1.204724 |
| 58 | 1.283465 |
| 60 | 1.362205 |
| 62 | 1.440945 |