Kids Shoe Size Calculator: Foot Length to UK, US & EU
Free tool · Updated October 2, 2026 · By CouponTalk
Your result
Enter your measurements to see your result.
Quick answer
Measure your child's foot from heel to longest toe in cm, and the calculator adds about 1.2 cm of growing room before converting to UK (Indian), US and EU sizes. A 16 cm foot is about UK child size 8.5, US 9.5 and EU 26.
How to measure
- Have your child stand on paper with full weight on both feet.
- Mark the heel and the tip of the longest toe, then measure in cm.
- Measure both feet and use the longer one. Re-check every 3 months for toddlers.
Kids Shoe Size Chart
| Foot length | UK / India | US | EU |
|---|---|---|---|
| 10 cm | 1 C | 2 C | 17 |
| 11 cm | 2.5 C | 3.5 C | 19 |
| 12 cm | 3.5 C | 4.5 C | 20 |
| 13 cm | 5 C | 6 C | 22 |
| 14 cm | 6 C | 7 C | 23 |
| 15 cm | 7 C | 8 C | 25 |
| 16 cm | 8.5 C | 9.5 C | 26 |
| 17 cm | 9.5 C | 10.5 C | 28 |
| 18 cm | 10.5 C | 11.5 C | 29 |
| 19 cm | 12 C | 13 C | 31 |
| 20 cm | 13 C | 14 C | 32 |
| 21 cm | Adult 1 | Youth 2 | 34 |
| 22 cm | Adult 2.5 | Youth 3.5 | 35 |
Sizes vary between brands by 1–2 cm. Always check the brand's own size chart before you buy.
Frequently asked questions
How much growing room should kids shoes have?
Leave about 1–1.5 cm (a thumb's width) between the longest toe and the front of the shoe. This calculator includes 1.2 cm.
How often do kids need new shoes?
Toddlers often need a new size every 2–3 months, children aged 3–6 every 4–5 months, and older children every 6–12 months.
Are Indian kids shoe sizes UK sizes?
Yes, most Indian brands label children's shoes in UK child sizes (C), which run up to 13.5 before restarting at adult size 1.
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