US to JP Ring Size (Standard Fit)
1 US value = 0.52217 JP value · profile-dependent conversion · context: size system and fit profile
Direct Answer
1 US value equals 0.52217 JP value
This result depends on the selected profile context: size system and fit profile.
For 4 US value, this profile returns 3.397642 JP value.
Converter Calculator
1 US value =
0.52217 JP value
Explanation
US converts to JP by normalizing to ring diameter in millimeters, then remapping to the target system. Fit profile fixed: Standard Fit.
From US value to JP 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
| US value | JP value |
|---|---|
| 4 | 3.397642 |
| 5 | 4.356132 |
| 6 | 5.314623 |
| 7 | 6.273113 |
| 8 | 7.231604 |
| 9 | 8.190094 |
| 10 | 9.148585 |
| 11 | 10.107075 |
| 12 | 11.065566 |
| 13 | 12.024057 |