Hoka vs ASICS Shoe Size - Which Runs Smaller?

Hoka runs about half a US size large compared to ASICS. If you wear Hoka in US 9, start by checking ASICS in US 9.5. Both brands use the same foot-length measurement; the difference is in the last shape, not the conversion formula.

Hoka to ASICS size chart

Starting ASICS size to check when you wear Hoka in each US men size.
US Men (Hoka) Hoka -> ASICS Foot length
7 7.5 246mm
8 8.5 254mm
9 9.5 262mm
10 10.5 271mm
11 11.5 279mm

Fit verdict

  • Hoka: True to size (62% of buyers)
  • ASICS: True to size (75% of buyers)

Why the sizes differ

Hoka runs about half a US size large compared to ASICS, with roughly 2mm between the matched fit records.

Hoka foot length is measured in millimetres, then mapped to US size. The ASICS starting size shifts by about half a US size because of each brand fit bias, not a different conversion formula.