ASICS vs Adidas Shoe Size Comparison
Adidas fits about the same as ASICS, so keep your usual size as the starting point. The gap is about 0mm in measured shoe length plus each brand fit bias. Use the table below to convert any ASICS US size to a starting size in Adidas, with UK, EU and CM alongside.
ASICS to Adidas size chart
| ASICS US | Adidas US | Adidas range | Adidas UK | Adidas EU | Adidas CM |
|---|---|---|---|---|---|
| 7 | 7 | 6-8 | 6 | 37 | 24.5 |
| 8 | 8 | 7-9 | 7 | 38 | 25.5 |
| 9 | 9 | 8-10 | 8 | 39 | 26 |
| 10 | 10 | 9-11 | 9 | 41 | 27 |
| 11 | 11 | 10-12 | 10 | 42 | 28 |
| 12 | 12 | 11-13 | 11 | 43 | 29 |
| 13 | 13 | 12-14 | 12 | 44 | 29.5 |
Data confidence
Why ASICS and Adidas differ
ASICS and Adidas are close at the brand level. We still map every size through foot length in millimetres, then apply each brand empirical fit offset.
Brand-level estimate: per-model fit can vary by a full size or more within a brand.