This easy chart shows the shoe size for your kids by age group. A quick conversion overview between age, foot length, US Sizes, UK sizes, and European Sizes for kids’ shoes. Note: Kids’ shoe sizes are unisex, there’s no difference between girls’ and boys’ shoe sizes.
| Age | Foot length | Foot length | US Size | UK Size | EU Size | ||
| Little Kid | Newborn | 0 – 3 Months | 9.5 – 10 cm | 3.7″ – 3.9″ | 0 – 2C | 0 – 1.5 | 15 – 17 |
| Little Kid | Infant | 3 – 12 Months | 10 – 11.5 cm | 3.9″ – 4.6″ | 2 – 4C | 1.5 – 3.5 | 18 – 20 |
| Little Kid | Toddler | 1 – 3 Years | 12 – 16 cm | 4.7″ – 6.5″ | 4.5 – 9C | 4 – 8.5 | 20 – 26 |
| Little Kid | Pre-school | 4 – 6 Years | 16 – 19.5 cm | 6.7″-7.5″ | 10-13.5 | 9.5-13 | 27-30.5 |
| Big Kid | Grade School | 6 – 10 Years | 19.6-22.6 cm | 7.6″-8.9″ | 13.5-4.5Y | 13 – 4 | 30.5-35.5 |
| Youth/Teen | Grade School | 10 – 14 Years | 22.6-27.2 cm | 8.9″-10.7″ | 4.5 – 6Y | 4 -5.5 | 35.5-39 |