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ASICS to adidas Shoe Size Conversion
Switching from ASICS to adidas? ASICS runs true to size and adidas runs small, so the size you order changes. Here's the full chart.
adidas runs 0.5 size larger than ASICS, so you may need to size down when switching.
Size down 0.5 moving to adidas
adidas runs larger — order half a size smaller than your ASICS size.
Find your ASICS size on the left, read across for adidas:
| ASICS size | adidas size | UK | EU | Foot (cm) |
|---|---|---|---|---|
| 6.5 | 7 | 5.5 | 37 | 23.5 |
| 6.5 | 7 | 5.5 | 37.5 | 23.9 |
| 7 | 7.5 | 6 | 38 | 24.3 |
| 7.5 | 8 | 6.5 | 38.5 | 24.7 |
| 8 | 8.5 | 7 | 39.5 | 25.1 |
| 8 | 8.5 | 7 | 40 | 25.5 |
| 8.5 | 9 | 7.5 | 41 | 25.9 |
| 9 | 9.5 | 8 | 41.5 | 26.3 |
| 9.5 | 10 | 8.5 | 42.5 | 26.7 |
| 10 | 10.5 | 9 | 43 | 27.1 |
| 10.5 | 11 | 9.5 | 43.5 | 27.5 |
| 11 | 11.5 | 10 | 44 | 27.9 |
| 11.5 | 12 | 10.5 | 44.5 | 28.3 |
| 12 | 12.5 | 11 | 45.5 | 28.7 |
| 12.5 | 13 | 11.5 | 46 | 29.1 |
| 13 | 13.5 | 12 | 47 | 29.5 |
| 13.5 | 14 | 12.5 | 47.5 | 29.9 |
| 14 | 14.5 | 13 | 48 | 30.3 |
| 14 | 14.5 | 13 | 48.5 | 30.7 |
| 14.5 | 15 | 13.5 | 49 | 31.1 |
| 15 | 15.5 | 14 | 49.5 | 31.5 |
⚠️ Fit varies by model. ASICS runs true to size with a roomy toe box; wide fittings are widely available. adidas generally runs about half a size small, particularly lifestyle and Ultraboost models; Sambas and Gazelles run long and narrow.
adidas to ASICS → · ASICS chart · adidas chart · Brand finder
What is a ASICS 10.5 in adidas?
A ASICS 10.5 is about a adidas 11 — they share a foot length of roughly 27.5 cm (UK 9.5, EU 43.5).
Do ASICS and adidas fit the same?
Not quite — adidas runs about 0.5 size larger than ASICS.
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