US Size Calculator
Choose what you are sizing, whether your size is UK or EU, and enter it. The calculator gives the US size and shows the UK and EU sizes alongside.
- US size
- UK size
- EU size
Brands vary by up to a size, so check their chart when you can.
US sizes are a fixed step from UK sizes. A UK size 12 dress is a US 8 and an EU 40. In shoes, a men's UK 9 is a US 10, and a women's UK 5 is a US 7.
UK, US and EU size chart
Women's clothing. Search for a size.
| UK | US | EU |
|---|---|---|
| 4 | 0 | 32 |
| 6 | 2 | 34 |
| 8 | 4 | 36 |
| 10 | 6 | 38 |
| 12 | 8 | 40 |
| 14 | 10 | 42 |
| 16 | 12 | 44 |
| 18 | 14 | 46 |
| 20 | 16 | 48 |
| 22 | 18 | 50 |
Sizes.
UK and US dress sizes
Women's clothing. Slide the UK size.
The three systems sit side by side.
How to convert to US sizes
UK or EU to US. Step through it.
Item
Choose.
Measure yourself and use the brand's chart for the best fit.
Clothing, men's shoes or women's shoes
Conversions. Compare them.
Dresses, tops.
Footwear.
Footwear.
US women's shoe sizes are two above UK, but men's only one.
Before you order
Size checks. Tick each item.
Tick each item as you go.
Read reviews for whether a brand runs large or small.
What you get
Size conversion. Each tile explains one result.
Size.
Size.
Size.
Used.
Advice.
EU clothing sizes vary more by country than shoe sizes do.
Frequently Asked Questions
No question matches that search.
What is a UK twelve in US sizes?
A US size eight in women's clothing.
How do I convert UK shoe sizes to US?
Add one for men and two for women.
What US size is an EU forty dress?
A US eight.
Are US and UK sizes the same?
No. US women's clothing sizes are four below UK.
What US shoe size is an EU forty two?
About a men's US nine.
Why do sizes vary between brands?
Each brand uses its own body measurements.
Do US sizes run larger?
US numbers are smaller for the same garment, so they can look larger.
Shop in US sizes with confidence
Convert your UK or EU size and order from US shops knowing the size to pick.
More size calculators
Each one has its own calculator, worked examples and answers to common questions.