
WHATSIZE: Brand Size Converter
Clothing & Shoe Fit Guide
0 ratings
$2.99
About
Stop guessing your size. Get it right, every time.
WHATSIZE is the essential size converter for global shoppers.
Convert clothing and shoe sizes instantly - whether you need a specific brand recommendation or a standard international conversion.
EXAMPLES:
• Know your Nike size? Find your size in ZARA in seconds.
• Wear a UK 12? See what that is in US, EU, Japanese, Korean, and Chinese sizing.
• Own Levi's W32 L34? Find your fit in Gap or H&M without trying anything on.
• Shopping on ASOS from Germany? Convert EU sizes to UK instantly.
TWO WAYS TO FIND YOUR FIT:
• Brand-to-Brand: Use items you already own from top brands to find your perfect fit in another.
• Universal Conversion: Instantly convert standard sizes between US, UK, EU, and Asian (JP/KR/CN) regions.
SUPPORTED CATEGORIES:
• Tops, bottoms, dresses, outerwear, and shoes
• Men's, women's, and kids'
• US, UK, EU, JP, KR, CN regions
KEY FEATURES:
• Your Personal Digital Closet: Save your sizes (and your family's!) for instant access while shopping.
• 100% Offline: Works perfectly in dressing rooms and during international travel.
• Privacy First: No accounts. No tracking. No ads. Your data never leaves your device.
• Pay Once, Use Forever: No subscriptions. Every future update and brand addition is included.
SUPPORTED BRANDS:
Nike, ZARA, Adidas, H&M, Levi's, Gap, Uniqlo, and ASOS - with more added regularly based on user requests.
Missing a brand? Request it directly in the app.
https://whatsize.online
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What's New in WHATSIZE
2.0.6
April 7, 2026
Added a "Rate on App Store" link in Settings. The app may occasionally ask for a rating after successful conversions. Updated branding to WHATSIZE: CLOTHING throughout the app including the launch screen.
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