CN to AU Shoe Size for Unisex
Snapshot
41 CN size equals 7 AU 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 37 CN size, the selected cohort cohort returns 4.5 AU 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
7 AU size
SwitchExplanation
CN converts to AU by first mapping CN to millimeters, then mapping millimeters to AU. Cohort profile fixed: Unisex.
CN size to AU size is cohort-bound here: the selected selected cohort cohort controls the mapping used by calculator and reference table.
Keep the same cohort in both directions to avoid mixing shoe-size systems that use different wearer-group mappings.
Common Conversion Values
| CN size | AU size |
|---|---|
| 37 | 4.5 |
| 39 | 5.5 |
| 41 | 7 |
| 43 | 8 |
| 45 | 9 |
Frequently Asked Questions
How do I reverse CN size to AU size?
Use the mirror AU size to CN 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 CN size to AU size?
The converter applies the formula defined for CN size to AU size, then renders rounded output for the direct answer and common-value rows.