Parent guides: children’s clothing & shoe sizes
Practical, original guides to help you measure accurately, read size labels, and know when to move up a size. Written for families who shop for kids aged 0–14.
How to measure your child’s foot and height at home
Paper, pen, ruler, and a book — then foot length (heel to toe, longer foot wins) and height against a wall. Enter both in WhatSizer for clothing and shoe sizes, growth room, and next-season hints you can share with family.
Understanding kids’ clothing sizes (EU, height, and labels)
How EU numbered sizes relate to height, why two “116” garments can fit differently, and how to use measurements alongside labels.
When to size up: signs your child needs the next clothing or shoe size
Practical signs from toes to sleeves — plus seasonal shopping tips so you buy the next size at the right time, not too early or too late.
Kids clothing size guide: EU, UK and US explained
Understand how EU, UK and US kids’ clothing sizes work, why they differ, and how to choose a better size using your child’s actual measurements.
Why children’s clothing sizes vary between brands
Learn why kids’ clothing sizes differ between brands and how to choose a better fit using measurements instead of age labels.
How fast do children grow by season?
Understand children’s seasonal growth patterns and why growth forecasts can help you buy better-fitting clothes ahead of time.
Kids shoe size conversion guide
Convert kids’ shoe sizes between EU, UK and US sizing and learn how to measure your child’s foot length at home.
How WhatSizer calculates size recommendations
Learn how WhatSizer uses child measurements, sizing systems and growth logic to recommend clothing and shoe sizes.
Understanding growth forecasts and uncertainty
Learn why children’s growth forecasts are useful but never exact, and how to use them when planning clothing and shoe sizes.
Winter clothing sizing for children
Learn how to choose winter clothing sizes for children, including jackets, snow pants, base layers and boots.
Summer clothing sizing for children
Learn how to choose children’s summer clothing sizes, including shorts, dresses, swimwear, sandals and sun hats.
Common measuring mistakes parents make
Avoid common measuring mistakes when choosing children’s clothing and shoe sizes. Learn how to measure height and foot length more accurately.