Women's shoe size conversion
Shoe size 8.5 US in EU
US
8.5
EU
39
Foot length · 25.5 cm
Also: UK 6
A US women's shoe size 8.5 converts to EU 39 — that's a foot length of about 25.5 cm. Conversions follow ISO 9407 reference data; individual brands may run half a size larger or smaller.
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Full women's conversion chart
| US | UK | EU | CM |
|---|---|---|---|
| 5 | 2.5 | 35 | 22.0 |
| 5.5 | 3 | 35.5 | 22.5 |
| 6 | 3.5 | 36 | 23.0 |
| 6.5 | 4 | 37 | 23.5 |
| 7 | 4.5 | 37.5 | 24.0 |
| 7.5 | 5 | 38 | 24.5 |
| 8 | 5.5 | 38.5 | 25.0 |
| 8.5 | 6 | 39 | 25.5 |
| 9 | 6.5 | 40 | 26.0 |
| 9.5 | 7 | 40.5 | 26.5 |
| 10 | 7.5 | 41 | 27.0 |
| 10.5 | 8 | 42 | 27.5 |
| 11 | 8.5 | 42.5 | 28.0 |
| 12 | 9.5 | 43.5 | 29.0 |
Related conversions
Frequently asked
- What is US shoe size 8.5 in EU?
- US women's shoe size 8.5 equals EU 39 (about 25.5 cm foot length).
- Does this apply to all brands?
- These figures follow standardized ISO 9407 mappings. Nike, Adidas and others may run a half size differently — see our brand guides for specifics.