What size does a 9-year-old wear?
Clothes: 134 / 140
Shoes: EU 35 (US 3.5Y)
Hat: for a head of 56–58 cm
Helmet size for a 9-year-old: see the helmet guide
Height decides clothing size, and feet can grow half a size in a couple of months. Use the age as a starting point and measure before each season.
Clothes around age 9
| Size (cm) | US | Usual ages |
|---|---|---|
| 134 | 9 | 8–9 |
| 140 | 10 | 9–10 |
Shoes around age 9
Common questions
What clothing size does a 9-year-old wear?
Most 9-year-olds wear size 134 / 140. Height decides: measure the child and pick the nearest size up.
What shoe size does a 9-year-old wear?
Most commonly EU 35. Measure the foot and add 1 to 1.5 cm of toe room.
Keep reading
Sources
Checked against the sources below on August 10, 2026.