Nike vs Vans Shoe Size - Which Runs Smaller?

Nike and Vans run true to each other. Keep your usual size when switching. If you wear Nike in US 9, start by checking Vans in US 9. Both brands use the same foot-length measurement; the small differences are in last shape, not the conversion formula.

Nike to Vans size chart

Starting Vans size to check when you wear Nike in each US men size.
US Men (Nike) Nike -> Vans Foot length
7 7 246mm
8 8 254mm
9 9 262mm
10 10 271mm
11 11 279mm

Fit verdict

  • Nike: Runs small (55% of buyers)
  • Vans: Runs small (60% of buyers)

Why the sizes differ

Nike and Vans are close enough to treat as the same size at the brand level. The measured gap is about 0mm.

Nike foot length is measured in millimetres, then mapped to US size. The Vans starting size stays the same because of each brand fit bias, not a different conversion formula.