About SizeMatch
Helping online shoppers find their perfect fit since 2026
Our Mission
Shopping for clothes online should be exciting, not stressful. Yet one of the biggest frustrations shoppers face is inconsistent sizing across brands. A Medium at Nike is different from a Medium at Zara, and a size 8 shoe at Adidas doesn't match a size 8 at New Balance.
SizeMatch was built to solve this problem. Our free clothing size converter lets you instantly translate sizes between 10 popular brands, covering men's, women's, and kids' clothing including tops, pants, shoes, and dresses. No more guessing, no more returns.
What We Offer
Accuracy First
Our size data is sourced directly from official brand size charts and verified regularly for accuracy.
User-Focused
Every feature is designed to make finding your perfect fit as quick and easy as possible.
International Coverage
We support US, UK, and EU sizing standards across all brands and categories.
Free & Transparent
SizeMatch is completely free to use. We sustain our service through non-intrusive advertising.
Brands We Cover
SizeMatch currently supports size conversions for Nike, Adidas, Zara, H&M, Levi's, Gap, Uniqlo, Old Navy, American Eagle, and Forever 21. We're constantly working to add more brands and keep our data up to date with the latest sizing changes.
How It Works
Our conversion tool cross-references official size charts from each brand. When you select a size in one brand, we match it to the equivalent size in your target brand based on actual measurements — chest, waist, hip, and foot measurements — rather than generic label comparisons. This gives you the most accurate conversion possible.
Important Disclaimer
While we strive for accuracy, clothing sizes can vary by style, collection, and manufacturing batch — even within the same brand. Our conversions are based on standard sizing data and should be used as a helpful guide rather than an absolute guarantee. We always recommend checking the specific product's size guide when available, and using our Body Measurement Guide for the most accurate results.