Brooks vs Jordan Shoe Size - Which Runs Smaller?
Brooks runs about 1 US size large compared to Jordan. If you wear Brooks in US 9, start by checking Jordan in US 10. Both brands use the same foot-length measurement; the difference is in the last shape, not the conversion formula.
Brooks to Jordan size chart
| US Men (Brooks) | Brooks -> Jordan | Foot length |
|---|---|---|
| 7 | 8 | 246mm |
| 8 | 9 | 254mm |
| 9 | 10 | 262mm |
| 10 | 11 | 271mm |
| 11 | 12 | 279mm |
Fit verdict
- Brooks: True to size (65% of buyers)
- Jordan: Runs small (50% of buyers)
Why the sizes differ
Brooks runs about 1 US size large compared to Jordan, with roughly 6mm between the matched fit records.
Brooks foot length is measured in millimetres, then mapped to US size. The Jordan starting size shifts by about 1 US size because of each brand fit bias, not a different conversion formula.