As with the shoe sizes for men and women in Mexico, kids shoe sizes also follow the size of the foot length in cm. Mexican kids shoe sizes are similarly different than the usual shoe sizing standards used in the US, UK or Europe since Mexicans, which holds true for kids too, are relatively smaller compared to kids in the western regions. Mexican kids shoe sizes start with a size 9, which is a US size 1 measuring 3 ⅝ inches. The sizes run to 10, 11, 12 until size 24, which in the US is a size 6Y or 9 ¾ inches. Each size in Mexican kids shoe sizes have a ⅜ inches or 0.375 inches.