Japanese children's shoe sizes are the foot length in centimeters. Enter the foot length to see the approximate US, UK and EU kids' size.
| JP (cm) | US | UK | EU |
|---|---|---|---|
| 11.0 | 3 | 3 | 18.5 |
| 11.5 | 4 | 3.5 | 19.5 |
| 12.0 | 4.5 | 4 | 20 |
| 12.5 | 5 | 5 | 21 |
| 13.0 | 5.5 | 5.5 | 21.5 |
| 13.5 | 6 | 6 | 22.5 |
| 14.0 | 7 | 6.5 | 23 |
| 14.5 | 7.5 | 7 | 24 |
| 15.0 | 8 | 7.5 | 24.5 |
| 15.5 | 8.5 | 8.5 | 25.5 |
| 16.0 | 9 | 9 | 26 |
| 16.5 | 9.5 | 9.5 | 27 |
| 17.0 | 10.5 | 10 | 27.5 |
| 17.5 | 11 | 10.5 | 28.5 |
| 18.0 | 11.5 | 11.5 | 29 |
| 18.5 | 12 | 12 | 30 |
| 19.0 | 12.5 | 12.5 | 30.5 |
| 19.5 | 13.5 | 13 | 31.5 |
JP (cm) is the exact foot length. US, UK and EU are approximate and vary by brand.
Children’s shoes in Japan are sized by foot length in centimeters, the same as adults. US and UK children’s numbers (and the C / Y toddler-vs-youth labels) vary a lot between brands, so the sizes below are approximate — measuring the foot in cm is the reliable part.
Children’s US and UK numbering resets near a 21 cm foot (where an adult size 1 begins), and toddler “C” vs youth “Y” labels differ by brand. Use the cm foot length as the dependable figure.
Approximate — brands vary. The Japanese figure (cm foot length, or 号) is the reliable one.
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Measure your longer foot from heel to longest toe in centimeters. That number is your Japanese size — Japanese shoes are sized by foot length in cm (JIS S 5037). A 24.5 cm foot is a JP 24.5.
No. The centimeter foot length is exact; the US, UK and EU sizes are approximate and vary between brands and shoe shapes. Use them as a starting point.
