JP (cm) to US Shoe Size (Unisex)

1 JP size = -21.708661 US size · profile-dependent conversion · context: size system and fit profile

Direct Answer

1 JP size equals -21.708661 US size

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

For 4 JP size, this profile returns -18.165354 US size.

Converter Calculator

1 JP (cm) size =
-21.708661 US size

Explanation

JP (cm) converts to US by first mapping JP (cm) to millimeters, then mapping millimeters to US. Cohort profile fixed: Unisex.

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

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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 (cm) sizeUS size
4 -18.165354
5 -16.984251
6 -15.803149
7 -14.622047
8 -13.440944
9 -12.259842
10 -11.07874
11 -9.897637
12 -8.716535
13 -7.535433