Shoe size in Korea is foot length in millimeters. Here's how to find your Korean shoe size: From US male size - add 22, divide by 3, and multiply by 25.4; From US female size - add 21, divide by 3, and multiply by 25.4; From inches - multiply your foot length by 25.4; From centimeters - multiply your foot length by 10; or; Use our shoe The following three formulas are used to calculate your shoe size based on your foot length. USM= (3 * L) - 22 U SM = (3 ∗ L) − 22. USF= (3 * L) - 21 U SF = (3 ∗ L) − 21. USC= (3 * L) - 9.67 U SC = (3 ∗ L) − 9.67. Where L is the length in inches. USM is men's size. USF is females size. USC is children's size. Shoe Size Definition. US Sizing. US Male: 3 x foot length in inches - 22. US Female: 3 x foot length in inches - 21. US Child: 3 x foot length in inches - 9.67. UK Sizing. UK Adult: 3 x foot length in inches - 23. UK Child: 3 x foot length in inches - 10. EU Sizing. EU Size = 1.27 x (UK Size + 23) + 2. How To Use The Shoe Size Calculator. Type the number of USA & Canada, men you want to convert in the text box, to see the results in the table. 7.5 USA & Canada, men. is equal to. 40 Europe. Chart. A shoe size is a numerical indication of the fitting size of a shoe for a person. Several different shoe-size systems are still used today worldwide. .

convert foot length to shoe size