JP to Diameter (mm) Ring Size (Wide Band Fit)
1 JP value = 12.848 Diameter value · profile-dependent conversion · context: size system and fit profile
Direct Answer
1 JP value equals 12.848 Diameter value
This result depends on the selected profile context: size system and fit profile.
For 4 JP value, this profile returns 15.392 Diameter value.
Converter Calculator
1 JP value =
12.848 Diameter (mm) value
Explanation
JP converts to Diameter (mm) by normalizing to ring diameter in millimeters, then remapping to the target system. Fit profile fixed: Wide Band Fit.
JP value to Diameter 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
| JP value | Diameter (mm) value |
|---|---|
| 4 | 15.392 |
| 5 | 16.24 |
| 6 | 17.088 |
| 7 | 17.936 |
| 8 | 18.784 |
| 9 | 19.632 |
| 10 | 20.48 |
| 11 | 21.328 |
| 12 | 22.176 |
| 13 | 23.024 |