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Nike to adidas Shoe Size Conversion
Switching from Nike to adidas? Nike runs small and adidas runs small, so the size you order changes. Here's the full chart.
Because Nike and adidas share the same fit tendency, your size carries straight across: a Nike 9.5 is a adidas 9.5.
Nike and adidas run the same
Order the same number — a Nike 9.5 is a adidas 9.5.
Find your Nike size on the left, read across for adidas:
| Nike size | adidas size | UK | EU | Foot (cm) |
|---|---|---|---|---|
| 7 | 7 | 5.5 | 37 | 23.5 |
| 7.5 | 7.5 | 6 | 38 | 24.3 |
| 8 | 8 | 6.5 | 38.5 | 24.7 |
| 8.5 | 8.5 | 7 | 39.5 | 25.1 |
| 9 | 9 | 7.5 | 41 | 25.9 |
| 9.5 | 9.5 | 8 | 41.5 | 26.3 |
| 10 | 10 | 8.5 | 42.5 | 26.7 |
| 10.5 | 10.5 | 9 | 43 | 27.1 |
| 11 | 11 | 9.5 | 43.5 | 27.5 |
| 11.5 | 11.5 | 10 | 44 | 27.9 |
| 12 | 12 | 10.5 | 44.5 | 28.3 |
| 12.5 | 12.5 | 11 | 45.5 | 28.7 |
| 13 | 13 | 11.5 | 46 | 29.1 |
| 13.5 | 13.5 | 12 | 47 | 29.5 |
| 14 | 14 | 12.5 | 47.5 | 29.9 |
| 14.5 | 14.5 | 13 | 48 | 30.3 |
| 15 | 15 | 13.5 | 49 | 31.1 |
| 15.5 | 15.5 | 14 | 49.5 | 31.5 |
⚠️ Fit varies by model. Nike tends to run about half a size small — most people size up half, and lifestyle models (Air Force 1, Blazer) run especially snug. adidas generally runs about half a size small, particularly lifestyle and Ultraboost models; Sambas and Gazelles run long and narrow.
adidas to Nike → · Nike chart · adidas chart · Brand finder
What is a Nike 9.5 in adidas?
A Nike 9.5 is about a adidas 9.5 — they share a foot length of roughly 26.3 cm (UK 8, EU 41.5).
Do Nike and adidas fit the same?
Roughly, yes — both run small, so the same number fits.
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