US to BR Shoe Size for Unisex
Snapshot
8 US size equals 38.5 BR size. Conversion Encyclopedia uses the same fixed conversion basis across the calculator, common values, and reverse page for this page.
- Reference basis: This result uses the selected selected cohort cohort as the profile basis.
- Example: For 5.5 US size, the selected cohort cohort returns 35.5 BR size under the same mapping assumptions.
- Use the reverse page if you need the opposite direction with the same basis.
Use the interactive calculator below for custom values and the common-value table for quick checks.
Converter Calculator
38.5 BR size
SwitchExplanation
US converts to BR by first mapping US to millimeters, then mapping millimeters to BR. Cohort profile fixed: Unisex.
For US size to BR size, the active selected cohort cohort determines the conversion constants applied to every value.
Keep the same cohort in both directions to avoid mixing shoe-size systems that use different wearer-group mappings.
Common Conversion Values
| US size | BR size |
|---|---|
| 5.5 | 35.5 |
| 6.5 | 37 |
| 8 | 38.5 |
| 9 | 40 |
| 10 | 41.5 |
Frequently Asked Questions
How do I reverse US size to BR size?
Use the mirror BR size to US size route; it applies the inverse relationship for the opposite direction with the same assumptions.
Does this page use cohort-specific mapping?
Yes. This page is fixed to Unisex.
How does this converter compute US size to BR size?
The converter applies the formula defined for US size to BR size, then renders rounded output for the direct answer and common-value rows.