Browse the brand database, or ask ThisFits for a personal recommendation.
ThisFits is a sizing database covering clothing and shoe brands. Every brand page shows whether it runs small, true to size, or runs large, with notes by category so you know where it matters most.
Tell ThisFits your usual size at any brand, it figures out what to order elsewhere. Ask things like "I’m a 29 in Levi’s, what should I buy at Agolde?" or "Does Reformation run small for dresses?"
Browsing the brand directory is free. Try 5 guest checks or 10 checks per month with a free account. Size setup is optional. Lite and Pro include unlimited fit checks and sizing chat; Pro adds saved chat history and sizing memory.
Do I need an account?
No. You can browse every brand page and read sizing tendencies without signing up. Try 5 guest fit checks. A free account includes 10 checks per month and optional saved sizes.
Which brands are covered?
369+ clothing and 59+ shoe brands, including Zara, ASOS, H&M, Mango, Nordstrom, Reformation, Uniqlo, Nike, Adidas, On Running, Birkenstock, and more.
How does the sizing chat work?
Tell ThisFits your usual size at one brand and it tells you what to order at another. It uses brand-level sizing tendencies, runs small, true to size, runs large, to translate across the directory.
What does Pro unlock?
Lite and Pro include unlimited fit checks and sizing chat. Pro adds saved chat history and sizing memory.
Is my data private?
Yes. Your sizing profile belongs to your account. See our Privacy Policy for service-provider processing. You can delete your data at any time.
369+ clothing and 59+ shoe brands · free to browse
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