Germany / EU 34 · France / Spain 36 · Italy 40 · UK 8 · US 4
Germany / EU 36 · France / Spain 38 · Italy 42 · UK 10 · US 6
Germany / EU 38 · France / Spain 40 · Italy 44 · UK 12 · US 8
Germany / EU 40 · France / Spain 42 · Italy 46 · UK 14 · US 10
Germany / EU 42 · France / Spain 44 · Italy 48 · UK 16 · US 12
Germany / EU 44 · France / Spain 46 · Italy 50 · UK 18 · US 14
Spain and Portugal use French numbering; Austria, Switzerland and the Nordics use German. Italian labels run about one size smaller than the number suggests. Brands vary, so this is a guide, not a rule.