UK & USA clothes size conversion
Author: Stylist and brand team at Tellar
Date: 2025
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UK to USA clothing size conversion
What UK size am I in USA sizing?
If I’m UK size ? what is the equivalent USA size?
American sizing conversion UK to USA
So how can I find my correct size?
Use Tellar.co.uk, https://tellar.co.uk, it's a free app and website which will match your body measurements to over 1500 clothes brands size charts, to give your perfect fit every time.
UK to US Women's Clothing Size Conversion – Full Chart & Fit Tips
Shopping for clothes across the pond? Whether you're ordering from a US store or just trying to make sense of size labels on international sites, converting UK women's clothing sizes to US equivalents can be confusing. This guide makes it simple. Below, you'll find detailed UK to US size conversion charts, category breakdowns, and key fit tips to shop smarter across borders.
UK to US Size Conversion Chart – Women's Clothing
UK Size |
US Size |
4 |
0 |
6 |
2 |
8 |
4 |
10 |
6 |
12 |
8 |
14 |
10 |
16 |
12 |
18 |
14 |
20 |
16 |
22 |
18 |
24 |
20 |
26 |
22 |
🟢 Note: This chart refers to standard sizes. Always check individual brand sizing guides, as fit can vary.
Dress Size Conversion: UK vs. US
UK Dress Size |
US Equivalent |
Comments |
6 |
2 |
US sizes are ~2 sizes behind UK |
10 |
6 |
Most common UK size = US 6 |
14 |
10 |
Check brand notes for bust & hip fit |
🧵 Pro tip: American brands like Calvin Klein, Free People, and Reformation tend to run smaller than UK high street brands like M&S or Boden.
UK to US Jeans Size Conversion
UK Size |
Waist (inches) |
US Size |
6 |
24–25" |
2 |
8 |
26–27" |
4 |
10 |
28–29" |
6 |
12 |
30–31" |
8 |
14 |
32–33" |
10 |
16 |
34–35" |
12 |
📏 Some US brands use waist sizing (e.g., W28) instead of standard dress sizes.
UK to US Shoe Size Conversion – Women
UK Shoe Size |
US Shoe Size |
2 |
4 |
3 |
5 |
4 |
6 |
5 |
7 |
6 |
8 |
7 |
9 |
8 |
10 |
👟 Tip: US shoes tend to run slightly narrower than UK sizing. Try a half-size up if in doubt.
So What Can You Do About It?
Use Tellar.co.uk, https://tellar.co.uk, it's a free app and website which will match your body measurements to over 1500 clothes brands size charts, to give your perfect fit every time.
What About Brands? UK vs. US Fit Tips
Brand |
Country |
Fit Notes |
Zara |
Spain |
Often runs small – size up in US or UK |
ASOS |
UK |
Fairly true to UK size, use chart |
H&M |
Sweden |
Varies – fitted styles run tight |
Reformation |
US |
Runs small – always check measurements |
Anthropologie |
US |
Generous sizing, often flowy cuts |
FAQ Section
Q: Is a UK 10 a US 6 or 8?
A: A UK 10 is generally a US 6. Always check the brand’s size guide.
Q: Do US clothes fit tighter than UK?
A: Often yes. UK sizes are typically roomier – especially for high-street fashion.
Q: Are UK shoe sizes the same as US?
A: No. UK sizes are 2 sizes smaller. A UK 5 = US 7.
Useful Brand Size Chart Links
M&S Size Guide
ASOS Women's Sizing
Zara Size Help
Next Size Guide
H&M Women’s Chart
Conclusion: Keep It Simple, Use Tellar.co.uk https://tellar.co.uk
Tellar is the website which will match your body measurements to your correct clothes size in every brand. Tellar will also give you the UK and USA or European conversion if the brand has it.