JP to US Ring Size (Standard Fit)

1 JP value = 1.498524 US value · profile-dependent conversion · context: size system and fit profile

Direct Answer

1 JP value equals 1.498524 US value

This result depends on the selected profile context: size system and fit profile.

For 4 JP value, this profile returns 4.628445 US value.

Converter Calculator

1 JP value =
1.498524 US value

Explanation

JP converts to US by normalizing to ring diameter in millimeters, then remapping to the target system. Fit profile fixed: Standard Fit.

For JP value to US value, the active size system and fit profile determines the conversion constants applied to every value.

Read more

Keep the same profile in both directions to avoid mixing lookup systems that use different size mappings.

Method & Reference (Verified)

  • Method basis: profile-bound mapping; constants depend on the selected profile encoded in the route.
  • Profile reference: size system and fit profile.
  • Consistency rule: keep the same profile in mirror direction to avoid mixing incompatible mappings.

Common Conversion Values

JP valueUS value
4 4.628445
5 5.671752
6 6.715059
7 7.758366
8 8.801673
9 9.84498
10 10.888287
11 11.931594
12 12.974902
13 14.018209