CN to AU Shoe Size for Women
39 CN size = 7.5 AU size ยท cohort-based size mapping for selected cohort
Direct Answer
39 CN size equals 7.5 AU size
This result uses the selected selected cohort cohort as the profile basis.
For 35 CN size, the selected cohort cohort returns 5 AU size under the same mapping assumptions.
Converter Calculator
7.5 AU size
SwitchExplanation
CN converts to AU by first mapping CN to millimeters, then mapping millimeters to AU. Cohort profile fixed: Women.
For CN size to AU 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
| CN size | AU size |
|---|---|
| 35 | 5 |
| 37 | 6.5 |
| 39 | 7.5 |
| 41 | 8.5 |
| 43 | 10 |
Frequently Asked Questions
How can I convert back from AU size to CN 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 Women.
What formula is used for 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.