UK to US Clothing Size Converter
Convert British clothing sizes to US sizes instantly. Perfect for shopping from British brands or when traveling to the UK.
UK clothing sizes use a different system than US sizes. UK sizes are typically 4 sizes larger than US women's sizes (e.g., UK 12 = US 8), while men's sizes are usually the same.
How to Convert UK to US Clothing Sizes
Step-by-Step Guide
- Know Your UK Size: If you know your British clothing size, you can directly use the conversion chart or interactive converter below. UK sizes are typically 4 sizes larger than US women's sizes.
- Select Your Gender: Choose whether you're converting men's or women's clothing sizes. Men's sizes are usually the same, while women's sizes differ significantly.
- Use the Converter: Enter your body measurements (chest/bust, waist, hips) in the interactive converter above, or find your size in the quick reference charts.
- Consider Fit Preferences: UK clothing often has a more fitted cut than US sizes. You may want to size up if you prefer a looser fit.
Quick Reference Examples
Women's Sizes:
UK 8 → US 4 (Women)
UK 12 → US 8 (Women)
UK 16 → US 12 (Women)
Men's Sizes:
UK 40 → US 40 (Men)
UK 42 → US 42 (Men)
UK 44 → US 44 (Men)
💡 Important: UK women's sizes are 4 sizes larger than US sizes, but men's sizes are usually the same. UK fit is typically more fitted than US fit.
Women's UK to US
Men's UK to US
Interactive Clothing Size Converter
Input your body measurements and get the best-matching sizes across brands and ranges.
Body Measurements
Size Matches
0 results| Primary Label | US | UK | EU | JP | Chest/Bust (in) | Waist (in) | Hip (in) | Range | Fit |
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Understanding UK vs US Clothing Sizing
Key Differences
UK and US clothing sizing systems evolved independently, resulting in different numbering. UK sizes are typically 4 sizes larger than US sizes for women's clothing.
Important Notes:
- • UK women's sizes are typically 4 sizes larger than US
- • UK men's sizes are usually the same as US sizes
- • UK clothing often has a more fitted cut
- • Both systems use similar body measurement principles
Conversion Guidelines
Men's Formula:
US Size = UK Size (same)
Example: UK 40 = US 40
Women's Formula:
US Size = UK Size - 4
Example: UK 10 = US 6
Frequently Asked Questions
What is a UK size 12 in US?
A UK size 12 for women is typically a US size 8. UK women's sizes are generally 4 sizes larger than US sizes. For men's clothing, UK and US sizes are usually the same (e.g., UK 40 = US 40).
Are UK and US clothing sizes the same for men?
Yes, for men's clothing, UK and US sizes are usually the same. For example, a UK size 40 is the same as a US size 40. However, the fit may still differ slightly between brands.
Why are UK sizes larger than US sizes for women?
UK and US sizing systems evolved independently with different starting points and numbering systems. UK women's sizes are typically 4 sizes larger than US sizes, but this doesn't mean the actual garment is larger - it's just a different numbering system.
How do I convert UK to US clothing sizes accurately?
The most accurate way is to use body measurements. Measure your chest/bust, waist, and hips, then use our interactive converter above. For a quick reference, UK women's sizes are typically 4 sizes larger than US sizes (UK 12 = US 8), while men's sizes are usually the same.
British Brand Sizing Notes
High Street Brands (ASOS, Topshop, Next, etc.)
British high street brands typically use standard UK sizing. ASOS may have slight variations as they carry multiple brands, so always check individual product size guides.
Luxury British Brands (Burberry, Alexander McQueen, etc.)
Luxury British brands often use UK sizing but may have more fitted cuts. They may also use European sizing for international consistency.
Fast Fashion (Primark, Boohoo, etc.)
British fast fashion brands can be inconsistent with sizing. Primark, for example, is known to run large compared to other UK brands.
Traditional British Brands (Marks & Spencer, John Lewis, etc.)
Traditional British retailers typically use consistent UK sizing and often provide detailed size guides with body measurements.
Frequently Asked Questions
What is UK size 10 in US?
UK size 10 is US size 6 for women's clothing. For men's clothing, UK 10 would be extremely small and rarely used.
Are UK sizes bigger than US sizes?
For women, UK size numbers are larger (UK 10 vs US 6), but both represent the same body size. For men, UK and US sizes are typically the same numbers.
Why are UK and US women's sizes different?
The sizing systems developed independently in each country, with different starting points and increments, resulting in the 4-size difference for women's clothing.
Should I trust the conversion or check each brand?
While the general conversion is reliable, it's always best to check each brand's specific size guide as cuts and fits can vary significantly between brands.