Kids Size Finder
Clothing Sizes for 36+ Brands
Free · Designed for iPad. Not verified for macOS.
Find the right kids' clothing size across 36+ brands before you buy. Free, no ads, no subscription. Save your kids measurements once and we'll track the growth for you.
Stop guessing your child's clothing size.
Kids Clothes Size Finder tells you the exact size to buy across 36+ major brands — before you add to cart. No more returns. No more buying two sizes and sending one back.
Made for online shopping
When you're shopping for kids' clothes online you can't try anything on. Kids Clothes Size Finder solves that. Enter your child's measurements, pick a brand, and get the right size instantly — whether you're buying from H&M, Zara, Carter's, Gap Kids, Next, Cat & Jack, Tu or any of our 36+ verified brands.
Know how long it will fit
Every size recommendation includes a wear time prediction — so you know if that H&M jacket will last through winter or if you should size up. Stop buying clothes your child outgrows in a month.
Buy ahead with confidence
Shopping for Christmas? A birthday gift? Enter a future date and we'll recommend the right size for when your child will actually wear it. No more gifting clothes that are already too small.
Save your child's profile
Add your child's measurements once and we remember them. Every time you shop, their profile is ready — just pick a brand and go. Add multiple children and switch between them instantly.
Compare brands before you decide
Can't decide between Zara and H&M? Swipe to compare size recommendations and wear time across brands side by side. Find the best fit and the best value before you buy.
Verified data. Not guesswork.
Every size chart in Kids Clothes Size Finder is verified from official brand sources. We don't guess. We don't use AI to generate measurements. We cross-reference against official size charts so you can trust the recommendation.
Free. No ads. No subscription.
Kids Clothes Size Finder is completely free. No ads, no paywalls, no subscription. Just accurate size recommendations when you need them.
Brands included:
H&M, Zara, Carter's, Old Navy, Gap Kids, Next, Tu (Sainsbury's), Tesco F&F, Cat & Jack, Marks & Spencer, Nike Kids, Adidas Kids, Primark, Uniqlo, Name It, Lindex, KappAhl, Polarn O. Pyret, Wonder Nation, Amazon Essentials and many more.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
New screenshots, slightly new promotional text, minor change in the results CTA
The developer, Outgrow Solutions, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Linked to You
The following data may be collected and linked to your identity:
- Contact Info
- Identifiers
- Usage Data
- Other Data
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- User Content
- Search History
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Outgrow Solutions Oy
- Size
- 42.7 MB
- Category
- Shopping
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPad
Requires iPadOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
18+
- 18+
- Copyright
- © 2026 Outgrow Solutions Oy