UK to JP Ring Size for Wide Band Fit
10 UK ring size = 7.3 JP ring size ยท fit-based size mapping for selected fit profile
Direct Answer
10 UK ring size equals 7.3 JP ring size
This result uses the selected selected fit profile mapping as the profile basis.
For 8 UK ring size, the selected fit profile mapping returns 5.4 JP ring size under the same fit assumptions.
Converter Calculator
7.3 JP value
SwitchExplanation
UK converts to JP by normalizing to ring diameter in millimeters, then remapping to the target system. Fit profile fixed: Wide Band Fit.
UK ring size to JP ring size is fit-bound here: the selected selected fit profile mapping controls the conversion path used by calculator and reference table.
Keep the same fit profile in both directions to avoid mixing size mappings that use different apparel allowances.
Common Conversion Values
| UK value | JP value |
|---|---|
| 8 | 5.4 |
| 9 | 6.4 |
| 10 | 7.3 |
| 11.5 | 8.8 |
| 12.5 | 9.7 |
Frequently Asked Questions
How do I reverse UK ring size to JP ring size?
Use the mirror JP ring size to UK ring size route; it applies the inverse relationship for the opposite direction with the same assumptions.
What fit profile is used on this page?
Wide Band Fit.
How does this converter compute UK ring size to JP ring size?
The converter applies the formula defined for UK ring size to JP ring size, then renders rounded output for the direct answer and common-value rows.