AU to BR Shoe Size (Unisex)

1 AU size = 31.109999 BR size · profile-dependent conversion · context: size system and fit profile

Direct Answer

1 AU size equals 31.109999 BR size

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

For 4 AU size, this profile returns 34.919999 BR size.

Converter Calculator

1 AU size =
31.109999 BR size

Explanation

AU converts to BR by first mapping AU to millimeters, then mapping millimeters to BR. Cohort profile fixed: Unisex.

From AU size to BR size, results depend on the selected size system and fit profile and stay consistent with that profile across table rows and calculator input.

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

AU sizeBR size
4 34.919999
5 36.189999
6 37.459999
7 38.729999
8 39.999999
9 41.269998
10 42.539998
11 43.809998
12 45.079998
13 46.349998