Footwear Sizing EngineISO 9407 CalibratedUS Kids ⇄ EU Kids

Kids Shoe Size Chart & Converter

Direct Answer Summary

Kids' shoe sizing spans two distinct phases: toddler sizes (1C to 10C) and youth sizes (10.5C to 3Y, transitioning into adult sizing at 4Y). To convert US kids' sizes to EU, a US 10C equals an EU 27, while a youth 1Y equals an EU 32 (approximately 20 cm foot length).

Comprehensive kids shoe size conversion chart covering toddler, youth, and junior footwear across US, UK, and European standards.

Live Interactive Island

US Kids to EU Kids Calculator

Step: 0.5
Converted Primary Standard
EU 44Exact Fit Match
Measured Foot Length27.1 cm (10.67 in)
Brasil (BR)

42

Padrão Nacional
US Men

10

Standard Width D
US Women

11.5

Standard Width B
EU (Paris Pt)

44

Europa Continental
UK Standard

9.5

British Imperial

Values calibrated via ISO 9407 standards with 20mm last allowance.

Bookmarkable Calculation:
Allowance Rule

20mm Last Allowance

Standard shoe lasts include ~15–20mm beyond foot length to prevent toe pressure during gait movement.

Gender Offset

1.5 Size Difference

US Women's sizing is approximately 1.5 sizes higher than US Men's (e.g. Women's 9.5 equals Men's 8.0).

Paris Point Ratio

6.67 mm per EU Step

European sizes increment by 2/3 of a centimeter (6.67 mm), differing from the 8.46 mm US/UK barleycorn scale.

Shoe Size•Print-Optimized (A4 & US Letter)

Kids Shoe Size Chart & Converter Reference Table

Verified ISO 9407 Mondopoint & International Footwear Scaling Chart

SizeToolsHub.com

Verified International Size & Measurement Reference Platform

Kids Shoe Size Chart & Converter Reference Table

Shoe Size Guide

Reference Standards

International Footwear Conversion Chart.

Official cross-reference table comparing US, UK, European, and Japanese centimeter sizing according to ISO 9407 Mondopoint standards.

US MenUS WomenUKEU (Paris Pt)Foot Length (cm)Foot Length (in)Mondopoint (mm)
6.07.55.538.524.0 cm9.45″240
6.58.06.039.024.5 cm9.65″245
7.08.56.540.025.0 cm9.84″250
7.59.07.040.525.5 cm10.04″255
8.09.57.541.026.0 cm10.24″260
8.510.08.042.026.5 cm10.43″265
9.010.58.542.527.0 cm10.63″270
9.511.09.043.027.5 cm10.83″275
10.011.59.544.028.0 cm11.02″280
10.512.010.044.528.5 cm11.22″285
11.012.510.545.029.0 cm11.42″290
11.513.011.045.529.5 cm11.61″295
12.013.511.546.030.0 cm11.81″300
13.014.512.547.531.0 cm12.20″310
14.015.513.548.532.0 cm12.60″320
Official Reference Chart • https://sizetoolshub.comVerify scale before precision engineering or commercial production.
Common Questions

Frequently Asked Questions.

Expert answers regarding footwear fit, regional size variations, and measurements.

When do kids' shoe sizes transition into adult sizes?↓

Kids' youth sizes transition into adult sizing at size 4Y, where a youth 4Y is equivalent to a Men's 4.0 or Women's 5.5.

How often should you check children's shoe size?↓

Children under age 3 should be measured every 2 to 3 months; kids aged 4 to 8 should be measured every 4 to 6 months.

What does the 'C' and 'Y' mean in kids' shoe sizes?↓

'C' stands for Child (toddler and young kids, sizes 1C to 13C), and 'Y' stands for Youth (older kids, sizes 1Y to 7Y).

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