Adidas vs Brooks Shoe Size Comparison
Brooks fits about the same as Adidas, so keep your usual size as the starting point. The gap is about 2mm in measured shoe length plus each brand fit bias. Use the table below to convert any Adidas US size to a starting size in Brooks, with UK, EU and CM alongside.
Adidas to Brooks size chart
| Adidas US | Brooks US | Brooks range | Brooks UK | Brooks EU | Brooks CM |
|---|---|---|---|---|---|
| 7 | 6.5 | 5.5-8 | 5.5 | 37 | 24.5 |
| 8 | 7.5 | 6.5-9 | 6.5 | 38 | 25 |
| 9 | 8.5 | 7.5-10 | 7.5 | 39 | 26 |
| 10 | 9.5 | 8.5-11 | 8.5 | 40 | 27 |
| 11 | 10.5 | 9.5-12 | 9.5 | 42 | 27.5 |
| 12 | 11.5 | 10.5-13 | 10.5 | 43 | 28.5 |
| 13 | 12.5 | 11.5-14 | 11.5 | 44 | 29.5 |
Data confidence
Why Adidas and Brooks differ
Adidas and Brooks 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.