My Size - Clothes & Shoe Sizes

My Size instantly converts shoe, clothing, pants, hat, ring, kids, and bra sizes between Korean, US, EU, UK, and Japanese standards — ideal for online shopping, overseas travel, or buying international brands.

Size Converter — 9 Categories
Shoes (foot length in mm), men's tops, women's tops, men's pants (inch/cm), women's pants, hats, rings, kids clothing, and bras — converted instantly across all major size systems.

13 Shoe Brand Guides
Nike, Adidas, New Balance, Converse, Vans, ASICS, On Running, Hoka, Salomon, Brooks, Saucony, Mizuno, and Puma — each with a width tendency rating (narrow / true to size / wide) and fit tips.

5 Clothing Brand Guides
Zara, H&M, Uniqlo, Gap, and Levi's — with brand-specific sizing notes and shopping tips.

My Size Profile
Save your measurements once (foot length, chest, waist, head circumference, etc.) and see all your sizes across every country system at a glance.

Measurement Guides
Step-by-step instructions for accurately measuring your foot, chest, waist, head, ring, and bra size.

14 Languages
Korean, English, Japanese, Chinese (Simplified & Traditional), French, German, Spanish, Portuguese, Russian, Arabic, Hindi, Indonesian, Turkish.

Perfect for:
• Shopping Nike or Adidas and unsure about fit?
• Buying from Zara or Uniqlo when traveling abroad?
• Finding the right US size when shopping on Amazon?
• Buying a ring as a gift and need to convert the size?
• Shopping kids' clothing internationally?