Built-in growing room
Podiatrists recommend a ~12 mm buffer ahead of the longest toe. Our engine factors it in automatically.
Kids Shoe Size Calculator
Enter your child's foot length in inches or centimeters and get their size in US Kids, UK, India & EU — with the right room to grow built in.
Precision Fitting Tool
Quick 30-Second Foot Measurement Guide Click to expand
- 1 Tape paper to floor: Place blank paper on hard floor flush against the wall.
- 2 Stand with full weight: Heel gently touching the wall; weight evenly spread.
- 3 Mark longest toe: Hold pen 90° straight down and mark longest toe tip.
- 4 Measure with ruler: Measure from wall edge to mark in mm or cm.
Pediatric Pro-Tip: Feet often differ by 3–5 mm! Always measure both feet and use the larger measurement in the calculator above.
US, UK, India & EU
Instant cross-system conversion, normalized from published Nike, New Balance, and Clarks size standards.
Honest & brand-safe
No tool guarantees universal fit — shoe shapes differ. We provide honest ranges and link the brand's own chart.
Complete Kids Shoe Size Chart
Reference table comparing measured foot lengths to US (C and Y), UK, India, and EU shoe sizes.
Built-in ~10–12 mm Growth Room:
Foot Length column displays the maximum natural foot size for each shoe size.
Baby & Toddler Shoe Size Chart (0C – 10C)
First walkers, babies, and toddlers (Ages 0 to ~3.5 years)
| Inches | Length (cm) | Length (mm) | US Kids | UK / India * | EU | Approx. Age |
|---|---|---|---|---|---|---|
| 2.99″ | 7.6 cm | 76 mm | 0C | 0 | 15 | Newborn (0–6 weeks) |
| 3.35″ | 8.5 cm | 85 mm | 1C | 0.5 | 16 | 0–3 months |
| 3.62″ | 9.2 cm | 92 mm | 2C | 1 | 17 | 3–6 months |
| 3.94″ | 10.0 cm | 100 mm | 3C | 2 | 18 | 6–9 months |
| 4.25″ | 10.8 cm | 108 mm | 4C | 3 | 19 | 9–12 months |
| 4.57″ | 11.6 cm | 116 mm | 5C | 4 | 20 | 12–15 months |
| 4.92″ | 12.5 cm | 125 mm | 6C | 5 | 22 | 15–18 months |
| 5.24″ | 13.3 cm | 133 mm | 7C | 6 | 23 | 1.5–2 years |
| 5.55″ | 14.1 cm | 141 mm | 8C | 7 | 24 | 2–2.5 years |
| 5.87″ | 14.9 cm | 149 mm | 9C | 8 | 25.5 | 2.5–3 years |
| 6.18″ | 15.7 cm | 157 mm | 10C | 9 | 27 | 3–3.5 years |
Little Kids Shoe Size Chart (10.5C – 13.5C & 1Y – 3Y)
Preschoolers and early elementary (Ages ~3.5 to ~6 years)
| Inches | Length (cm) | Length (mm) | US Kids | UK / India * | EU | Approx. Age |
|---|---|---|---|---|---|---|
| 6.50″ | 16.5 cm | 165 mm | 11C | 10 | 28 | 3.5–4 years |
| 6.85″ | 17.4 cm | 174 mm | 12C | 11 | 29 | 4–5 years |
| 7.17″ | 18.2 cm | 182 mm | 13C | 12 | 31 | 5–6 years |
| 7.36″ | 18.7 cm | 187 mm | 13.5C | 12.5 | 31.5 | 5.5–6 years |
Big Kids & Youth Shoe Size Chart (3.5Y – 7Y)
Elementary, middle school, and pre-teens (Ages ~6 to 12+ years)
| Inches | Length (cm) | Length (mm) | US Kids | UK / India * | EU | Approx. Age |
|---|---|---|---|---|---|---|
| 7.52″ | 19.1 cm | 191 mm | 1Y | 13 | 32 | 6–7 years |
| 7.68″ | 19.5 cm | 195 mm | 1.5Y | 13.5 | 33 | 6.5–7 years |
| 7.87″ | 20.0 cm | 200 mm | 2Y | 1 | 33.5 | 7–7.5 years |
| 8.03″ | 20.4 cm | 204 mm | 2.5Y | 1.5 | 34 | 7.5–8 years |
| 8.19″ | 20.8 cm | 208 mm | 3Y | 2 | 35 | 8–8.5 years |
| 8.39″ | 21.3 cm | 213 mm | 3.5Y | 2.5 | 35.5 | 8.5–9 years |
| 8.54″ | 21.7 cm | 217 mm | 4Y | 3 | 36 | 9–9.5 years |
| 8.70″ | 22.1 cm | 221 mm | 4.5Y | 3.5 | 36.5 | 9.5–10 years |
| 8.90″ | 22.6 cm | 226 mm | 5Y | 4 | 37.5 | 10–10.5 years |
| 9.06″ | 23.0 cm | 230 mm | 5.5Y | 4.5 | 38 | 10.5–11 years |
| 9.25″ | 23.5 cm | 235 mm | 6Y | 5 | 38.5 | 11–11.5 years |
| 9.41″ | 23.9 cm | 239 mm | 6.5Y | 5.5 | 39 | 11.5–12 years |
| 9.65″ | 24.5 cm | 245 mm | 7Y | 6 | 40 | 12+ years |
* India Shoe Sizing: Indian retailers most commonly use UK sizes; some list EU. Always check the retailer's own chart.
Brand Variations: Shoe sizes vary by brand — always check the retailer's own size chart before buying.
Frequently Asked Questions
Common questions from parents about measuring, fit allowances, and international size conversions.
How do I convert kids shoe sizes from inches to US sizes?
To find a child's US shoe size from inches, measure the foot from heel to longest toe and add approximately 0.5 inches (12 mm) for growth. For example, a 6-inch foot measurement corresponds to approximately a US 7C or 8C toddler shoe, while an 8-inch foot measurement corresponds to a US 13C or 1Y youth shoe.
What is a youth or big kids size in women's shoe sizes?
In the US sizing system, Big Kids / Youth (Y) sizes convert to Women's sizes by adding 1.5 to 2 sizes. For example, a youth size 4Y fits like a women's 5.5, a 5Y fits like a women's 6.5, and a 6Y fits like a women's 7.5.
What size shoe does a 3-year-old toddler wear?
Most 3-year-olds wear between a US 8C and 10C toddler shoe (approx. UK 7.5–9.5 / EU 25–27), with an average foot length between 14 cm and 15.5 cm (5.5 to 6.1 inches). Because feet vary, measuring with a ruler is always recommended.
What size shoe does a 5-year-old wear?
Most 5-year-olds wear between a US 11C and 13C (approx. UK 10–12 / EU 28–31). However, children's feet vary significantly in length even at the exact same age. We strongly recommend measuring your child's foot with a ruler rather than guessing by age alone.
How much growing room should be left in kids' shoes?
Podiatrists and fitting specialists recommend ~10 to 15 mm (roughly 0.4 to 0.6 inches, or a thumb's width) of extra room between the child's longest toe and the tip of the shoe. Our calculator automatically factors in ~12 mm of growing room into every measurement-based recommendation.
What does the 'C' and 'Y' mean in kids' shoe sizes?
In the US sizing system, 'C' stands for Child (also known as toddler or little kid), running from 1C up to 13.5C. Once children outgrow 13.5C, the sizing scale transitions into 'Y' (Youth / Big Kid), which restarts from 1Y and runs up to 7Y (after which sizing enters adult sizing).
How do US kids shoe sizes convert to UK, India, and EU?
UK kids sizes are generally 0.5 to 1 full size smaller than US sizes (e.g. US 12C is roughly UK 11). Indian retailers predominantly use the UK size standard, although some brands label with EU sizes. EU sizing uses Paris Points (approx 6.67 mm increments), so a US 12C converts to approximately EU 29.
What if my child's foot measurement falls between two sizes?
Always round up to the next larger size. Because children's feet grow rapidly (often an entire size every 3 to 4 months for toddlers), a slightly roomier shoe can be worn comfortably with socks, whereas a tight shoe restricts foot bones and causes discomfort.