Men's shoe size conversion
Shoe size 42 EU in US
EU
42
US
8.5
Foot length · 26.5 cm
Also: UK 8
A EU men's shoe size 42 converts to US 8.5 — that's a foot length of about 26.5 cm. Conversions follow ISO 9407 reference data; individual brands may run half a size larger or smaller.
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Full men's conversion chart
| US | UK | EU | CM |
|---|---|---|---|
| 6 | 5.5 | 39 | 24.0 |
| 6.5 | 6 | 39.5 | 24.5 |
| 7 | 6.5 | 40 | 25.0 |
| 7.5 | 7 | 40.5 | 25.4 |
| 8 | 7.5 | 41 | 26.0 |
| 8.5 | 8 | 42 | 26.5 |
| 9 | 8.5 | 42.5 | 27.0 |
| 9.5 | 9 | 43 | 27.5 |
| 10 | 9.5 | 44 | 28.0 |
| 10.5 | 10 | 44.5 | 28.5 |
| 11 | 10.5 | 45 | 29.0 |
| 11.5 | 11 | 45.5 | 29.5 |
| 12 | 11.5 | 46 | 30.0 |
| 13 | 12.5 | 47.5 | 31.0 |
| 14 | 13.5 | 48.5 | 32.0 |
Related conversions
Frequently asked
- What is EU shoe size 42 in US?
- EU men's shoe size 42 equals US 8.5 (about 26.5 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.