Table 1

Fit classification of shoes

Shoe minus foot

Fit classification (EU shoe size)


- 30.08 mm - (- 3.37) mm

More than 2 sizes too short

- 3.36 mm - (+ 3.31) mm

2 sizes too short

+ 3.32 mm - (+ 9.99) mm

1 size too short

+ 10 mm - (+ 16.67) mm

Correct fit

+ 16.68 mm - (+24 mm)

1 size longer and more


A properly-fitting shoe should be at least 10 mm and optimally 12 mm longer than the foot.

Klein et al. BMC Musculoskeletal Disorders 2009 10:159   doi:10.1186/1471-2474-10-159

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