Clothing Size Converter
Free clothing size converter for women's, men's, and kids' sizes. Convert between US, UK, EU, AU, IT, FR, JP sizing systems instantly. Includes body measurement mode, cross-gender conversion, and complete international size charts.
M
US 8 converts to the sizes shown below.
Size Across Systems
Your size in 7 international sizing systems
US
8
UK
12
EU
38
AU
12
IT
44
FR
38
JP
11
International Size Chart
Complete size conversion chart across 7 sizing systems
| US | UK | EU | AU | IT | FR | JP | Label |
|---|---|---|---|---|---|---|---|
| 0 | 4 | 30 | 4 | 36 | 30 | 3 | XXS |
| 2 | 6 | 32 | 6 | 38 | 32 | 5 | XS |
| 4 | 8 | 34 | 8 | 40 | 34 | 7 | S |
| 6 | 10 | 36 | 10 | 42 | 36 | 9 | S |
| 8 | 12 | 38 | 12 | 44 | 38 | 11 | M |
| 10 | 14 | 40 | 14 | 46 | 40 | 13 | M |
| 12 | 16 | 42 | 16 | 48 | 42 | 15 | L |
| 14 | 18 | 44 | 18 | 50 | 44 | 17 | L |
| 16 | 20 | 46 | 20 | 52 | 46 | 19 | XL |
| 18 | 22 | 48 | 22 | 54 | 48 | 21 | XL |
| 20 | 24 | 50 | 24 | 56 | 50 | 23 | 2XL |
| 22 | 26 | 52 | 26 | 58 | 52 | 25 | 2XL |
| 24 | 28 | 54 | 28 | 60 | 54 | 27 | 3XL |
How Clothing Sizes Work Across Countries
Understanding why a "Medium" means different things in different countries
Clothing sizes vary significantly across countries because each region developed its own sizing standards independently. The US uses even numbers (0, 2, 4...), the UK uses a different set of even numbers (4, 6, 8...), and Europe uses metric-based numbers (36, 38, 40...). A US size 8 is a UK 12, EU 38, and IT 44 — all the same garment.
Japanese sizing tends to run smaller than Western sizing. A Japanese "L" often corresponds to a Western "S" or "M". This converter includes Japanese (JP) sizes alongside US, UK, EU, AU, IT, and FR systems so you can shop confidently across all seven regions.
7 Systems
Sizing Regions
US, UK, EU, AU, IT, FR, JP
4 Genders
Coverage
Women, Men, Girls, Boys
3 Modes
Input Options
Size convert, Measurements, Cross-gender
How to Measure Yourself for the Perfect Fit
Step-by-step measurement guide for finding your clothing size
1. Bust / Chest
Wrap the measuring tape around the fullest part of your bust or chest. Keep the tape parallel to the ground and snug but not compressing. For men, measure around the widest part of the chest.
2. Waist
Find your natural waistline — the narrowest part of your torso, about 1 inch above your belly button. Wrap the tape around and breathe normally. Don't suck in.
3. Hips
Stand with feet together. Wrap the tape around the widest part of your hips and buttocks. Keep it level all the way around. This measurement is used primarily for women's sizing.
4. Tips for Accuracy
Measure over lightweight clothing or undergarments. Stand straight with arms relaxed. Have someone help if possible. Use a flexible measuring tape, not a rigid ruler.
International Sizing Systems Explained
How US, UK, EU, AU, IT, FR, and JP clothing sizes compare
There is no universal clothing size standard — each region uses its own system. The same garment may be labeled differently depending on the country. Here's how the major systems work:
US Sizing
Women: even numbers 0-24+. Men: letter sizes (S-3XL) for tops, waist inches for bottoms. The most common system for North American brands.
UK Sizing
Women: even numbers starting from 4 (typically 4 higher than US). Men: similar to US. Australian sizes mirror UK sizing.
EU Sizing
Based on EN 13402. Women: numbers 30-54+ (add ~30 to US size). Men: 44-58+. Goes up in increments of 2.
FR, IT & JP
French sizes align closely with EU. Italian sizes add ~36 to US women's sizes. Japanese sizing tends to run 1-2 sizes smaller than Western equivalents.
Common Clothing Size Mistakes to Avoid
Avoid these pitfalls when converting or finding your clothing size
Assuming sizes are universal
A 'Medium' in the US, UK, EU, and Japan are all different. Asian sizing tends to run 1-2 sizes smaller than Western sizing. Always convert, don't assume.
Ignoring fabric stretch
Stretchy fabrics (jersey, spandex blends) can accommodate a range. Structured fabrics (cotton, linen) are less forgiving. Factor in fabric type when choosing between sizes.
Same brand, different fit
Even within the same brand, a 'slim fit' Medium differs from a 'relaxed fit' Medium. Check the specific garment's fit description, not just the size label.
Shopping Asian sizes with Western expectations
Japanese sizing runs noticeably smaller than Western equivalents. A JP XL may fit like a Western M. Always use a converter rather than going by label alone.
About the Clothing Size Converter
How this converter works and what data it uses
This converter maps clothing sizes across 7 international sizing systems (US, UK, EU, AU, IT, FR, JP) for women's, men's, girls', and boys' clothing. Size data is compiled from major retailers (ASOS, H&M, Uniqlo, Nordstrom) with alignment to ASTM D5585 and EN 13402 standards. It supports three conversion modes: direct size-to-size conversion, body measurement-based sizing, and cross-gender conversion (men's ↔ women's, girls' → women's, youth → adult). Results include converted sizes, fit notes, and a complete international reference chart.
Frequently Asked Questions
Common questions about clothing size conversion