Jordan vs Nike Shoe Size - Which Runs Smaller?

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

Jordan to Nike size chart

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

Fit verdict

  • Jordan: Runs small (50% of buyers)
  • Nike: Runs small (55% of buyers)

Why the sizes differ

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

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