Shoe size chart by age
Foot length is in cm.
| Age | US | UK | EU | Foot length (cm) |
|---|---|---|---|---|
| 0-6 months | 0-1 | 0-0.5 | 16-17 | 8.5-9.5 |
| 6-12 months | 2-3 | 1.5-2.5 | 18-19 | 10-11 |
| 12-18 months | 4-5 | 3.5-4.5 | 20-21 | 11.5-12.5 |
| 18-24 months | 5.5-6.5 | 5-6 | 22-23 | 13-14 |
| 2 years | 7-8 | 6.5-7.5 | 24-25 | 14.5-15.5 |
| 3 years | 8-9 | 7-8 | 25-26 | 15.5-16.5 |
| 4 years | 10-11 | 9-10 | 27-28 | 16.5-17.5 |
| 5 years | 11-12 | 10.5-11.5 | 28-29 | 17.5-18.5 |
| 6 years | 12-13 | 11.5-12.5 | 30-31 | 18.5-19.5 |
| 8 years | 1Y-2Y | 13-1 | 32-33 | 20.5-21.5 |
| 12 years | 5Y-6Y | 4-5 | 37-38 | 24.5-25.5 |
How to measure a child's foot
- Have the child stand on paper with the heel against a wall.
- Mark the longest toe and measure to the wall in cm.
- Measure both feet and use the longer one.
- Add 0.5-1 cm for growth.
The adult method is explained in how to measure your foot.
Growth rate notes
Babies often move up a size every 2-3 months before age 1, toddlers every 3-4 months, and children aged 4-10 about every 6 months. Check fit monthly for under-3s. See the toddler shoe size by age page for early sizes.
Frequently asked questions
When should I check my child's shoe size?
Check every 2-3 months for under-3s and every 6 months for older children.
How much growing room do kids need?
Leave about 0.5-1 cm, roughly a thumb width, in front of the longest toe.
Are kids sizes the same for boys and girls?
Yes. Kids shoe sizes are unisex up to about US 13.