Clothing Size Conversion Calculator

Convert clothing sizes between US, UK, EU, JP, and IT standards for men, women, and kids.

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Category: Unit Converters
Difficulty: Beginner
Times Used: 4,294
Last Updated: Jun 2026
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Clothing Size Conversion Calculator: US, UK, EU, JP, IT — Men, Women, Kids

Convert any clothing size instantly — shirts, pants, dresses, shoes, and more. Covers 5 global standards and 3 genders. Perfect for online shopping, travel, or international brands.

Example: US M = EU 48–50 | JP 9 = UK 6 | EU 36 (women) = US 6.

Supported Size Standards

RegionMenWomenKidsExample
USXS–XXL0–202T–16M = 38–40" chest
UK36–486–202–14UK 12 = bust 36"
EU44–5632–4692–164 cmEU 42 = 33" waist
JPS–LL5–1790–150 cmJP 11 = 26 cm foot
IT44–5638–502A–14AIT 44 = EU 44

Quick Size Examples

Men's Shirt

US M → EU 48–50 | UK 38 | JP L

Women's Dress

US 8 → EU 38 | UK 10 | IT 42

Kids (Age 8)

US 8 → EU 128 | UK 8 | JP 130

Shoes

EU 42 → US 8.5 | UK 7.5 | JP 26.5

How to Measure Yourself

Chest / Bust

Measure under arms, around fullest part. US M = 38–40"

Waist

At navel. EU 48 = 32–33"

Pro Tip: Use a soft tape. Measure in cm for EU/JP accuracy.

Why Sizes Vary by Brand

  • Vanity Sizing: US brands (Gap, Old Navy) run larger than EU
  • Zara/H&M: EU sizing, but run small — size up
  • Uniqlo: JP-based, very consistent
  • ASOS: UK sizes, generous fit

Shopping Tips

Best Practices

  • Check brand size chart on product page
  • Read customer reviews for “runs small”
  • Buy from stores with free returns

Avoid Mistakes

  • Don’t assume US = UK
  • EU kids = height in cm
  • JP shoes = foot length in cm

Why Trust This Calculator?

Accuracy: Based on ISO 8559, EN 13402, JIS standards — same as Zara, Uniqlo, ASOS.

Privacy: No data stored. Works offline.

Global: 5 regions, 3 genders, updated Nov 2025.

Frequently Asked Questions

US M (men) = EU 48–50. Chest: 38–40 inches.

Yes — EU 38 = US 8 for women’s dresses and pants.

EU kids = height in cm. EU 128 = 128 cm tall (age ~8).

Zara uses vanity sizing — size up from EU chart.

Yes! Add to home screen → works without internet.