JP to UK Ring Size (Wide Band Fit)
1 JP value = 3.380906 UK value · profile-dependent conversion · context: size system and fit profile
Direct Answer
1 JP value equals 3.380906 UK value
This result depends on the selected profile context: size system and fit profile.
For 4 JP value, this profile returns 6.510827 UK value.
Converter Calculator
1 JP value =
3.380906 UK value
Explanation
JP converts to UK by normalizing to ring diameter in millimeters, then remapping to the target system. Fit profile fixed: Wide Band Fit.
From JP 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
| JP value | UK value |
|---|---|
| 4 | 6.510827 |
| 5 | 7.554134 |
| 6 | 8.597441 |
| 7 | 9.640748 |
| 8 | 10.684055 |
| 9 | 11.727362 |
| 10 | 12.770669 |
| 11 | 13.813976 |
| 12 | 14.857283 |
| 13 | 15.900591 |