Size 8.5C: the kids’ shoe size explained
A size 8.5C fits a foot of 15.0 to 15.45 cm (5.92 to 6.08 in): UK 8–8.5 and EU 25–25.5 by the standard size tables, a toddler size.
The median child’s foot reaches the middle of an 8.5C at about 3½ years and stays in it for about 5 months, in the US Consumer Product Safety Commission’s survey of children.
Where 8.5C sits
After 8.5C: the next sizes
The next size, 9C, fits 4.3 mm more foot, up to 15.9 cm. Around the age an 8.5C is outgrown the median child’s foot grows about 0.9 mm a month, so it fills a 9C about 5 months later.
| Size | Foot (cm) | UK | EU | Outgrown at |
|---|---|---|---|---|
| 8.5C (this size) | 15.0–15.45 | 8–8.5 | 25–25.5 | about 3½ years |
| 9C | 15.45–15.9 | 8.5–9 | 25.5–26 | about 4 years |
| 9.5C | 15.9–16.3 | 9–9.5 | 26–26.5 | about 4½ years |
Outgrown at: when the median child’s foot reaches the top of the size, girls and boys together. Half of children get there sooner.
What 3 brands print for an 8.5C
| Brand | Prints | UK | EU | Foot up to |
|---|---|---|---|---|
| Vans size chart (opens the brand’s site) | 8.5C | 8 | 25 | 14.5 cm |
| adidas size chart (opens the brand’s site) | 8.5k | 8k | 25.5 | 14.9 cm |
| Converse size chart (opens the brand’s site) | 8.5C | 8.5 | 24.5 | — |
Each brand’s own kids’ chart, linked, as it prints the size; “—” where the chart has no such column. Brands that don’t print foot lengths are listed last. Not affiliated with any brand.
6 brands don’t make an 8.5C
Their kids’ charts skip it (most toddler charts print whole sizes only). For a foot that fills an 8.5C, up to 15.45 cm, their own charts give:
- Crocs size chart (opens the brand’s site) C9 to 15.7 cm
- Jordan size chart (opens the brand’s site) 9C to 15.9 cm
- Nike size chart (opens the brand’s site) 9C to 15.9 cm
- Teva size chart (opens the brand’s site) 9T to 16.0 cm
- UGG size chart (opens the brand’s site) 9T to 15.9 cm
- Under Armour size chart (opens the brand’s site) 10K to 16.0 cm
Convert another kids’ size
8.5C in every system
| System | 8.5C |
|---|---|
| Foot length (cm) | 15.0–15.45 |
| Foot length (in) | 5.92–6.08 |
| UK | 8–8.5 |
| EU | 25–25.5 |
| Japan (cm) | 15.5 |
| Mondopoint (mm) | 155 |
From the standard size tables; where the foot range spans more than one size, the first and last are shown.
Size tables checked 2026-10-23; ages from the CPSC children’s survey (Snyder et al., 1977, via NIST AnthroKids), median of girls and boys; brand sizes from each brand’s own chart, linked above. An estimate to help you choose: fit varies by brand and model. Not medical advice.