Converse vs New Balance Shoe Size - Which Runs Smaller?
Converse runs about 1.5 US sizes small compared to New Balance. If you wear Converse in US 9, start by checking New Balance in US 7.5. Both brands use the same foot-length measurement; the difference is in the last shape, not the conversion formula.
Converse to New Balance size chart
| US Men (Converse) | Converse -> New Balance | Foot length |
|---|---|---|
| 7 | 5.5 | 246mm |
| 8 | 6.5 | 254mm |
| 9 | 7.5 | 262mm |
| 10 | 8.5 | 271mm |
| 11 | 9.5 | 279mm |
Fit verdict
- Converse: Runs small (65% of buyers)
- New Balance: Runs large (50% of buyers)
Why the sizes differ
Converse runs about 1.5 US sizes small compared to New Balance, with roughly 13mm between the matched fit records.
Converse foot length is measured in millimetres, then mapped to US size. The New Balance starting size shifts by about 1.5 US sizes because of each brand fit bias, not a different conversion formula.