Why You’re Probably Wearing the Wrong Shoe Size

7. Using the chart below, find your true shoe size based on the length of your foot.

Size 4: 8 3/16 inches or 20.8 cm

Size 4.5: 8 5/16 inches or 21.3 cm

Size 5: 8 11/16 inches or 21.6 cm

Size 5.5: 8 13/16 inches or 22.2 cm

Size 6: 9 inches or 22.5 cm

Size 6.5: 9 3/16 inches or 23 cm

Size 7: 9 5/16 inches or 23.5 cm

Size 7.5: 9 1/2 inches or 23.8 cm

Size 8: 9 11/16 inches or 24.1 cm

Size 8.5: 9 13/16 inches or 24.6 cm

Size 9: 10 inches or 25.1 cm

Size 9.5: 10 3/16 inches or 25.4 cm

Size 10: 10 5/16 inches or 25.9 cm

Size 10.5: 10 1/2 inches or 26.2 cm

Size 11: 10 11/16 inches or 26.7 cm

Size 11.5: 10 13/16 inches or 27.1 cm

Size 12: 11 inches or 27.6 cm