Never get the wrong size again when shopping online or abroad.
Global Size Guide instantly converts clothing sizes across 7 countries — Korea, USA, Europe, UK, Japan, China, and Australia — all in one app.
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📐 SIZE CONVERSION
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Select your base country and size, and instantly see equivalents for every other country. No guesswork, no confusion.
Supported categories:
• Adult Men — Tops, Bottoms, Shoes, Underwear, Suit, Hat, Belt
• Adult Women — Tops, Bottoms, Shoes, Bra
• Children (ages 4–12) — Tops, Bottoms, Shoes
• Infants (ages 0–4) — by month, height, and weight
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👕 FIT TYPE SELECTION
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Not all sizes fit the same way. Choose your preferred fit before converting:
• Slim Fit — snug and body-hugging
• Regular Fit — comfortable and true to size
• Loose Fit — relaxed and oversized
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🏷️ KIDS BRAND SIZES
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Find the right size for popular kids' and adult brands including:
Nike · Adidas · Zara · H&M · Uniqlo
Search by brand, and compare sizes side by side with Korean reference sizes.
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📏 FIND SIZE BY MEASUREMENT
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Know your measurements but not your size? Enter your chest, waist, or foot length in cm or
inches and find your exact size instantly.
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🔄 UNIT CONVERTER
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Easily convert between:
• Length: cm ↔ inches
• Weight: kg ↔ lbs
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💾 MY SIZE
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Save your size for each category and jump straight to your result every time — no need to
search again.
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📤 SHARE
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Share your size conversion results with friends or family with a single tap — great for gift shopping.
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🌐 MULTILINGUAL SUPPORT
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Available in Korean, English, Chinese, and Japanese.
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Whether you're shopping on international websites, traveling abroad, or buying gifts for
someone overseas — Global Size Guide has you covered.