UK Size Calculator
Pick the type of size and the system you are converting from, then enter the size. The calculator gives the UK, US and EU sizes together, plus a rough bust and waist for clothing or foot length for shoes.
- UK clothing sizes
- UK shoe sizes
- US and EU conversion
Brands vary. Use this as a guide and check the brand's chart for the best fit.
UK sizes sit between US and EU sizes. UK women's clothing is 4 sizes above US, so a US 8 is a UK 12 and an EU 40. UK women's shoes are 2 below US, so a US 7 is a UK 5. Men's shoes are about 1 below US, so a US 10 is a UK 9.
UK size conversion chart
Women's clothing. Search for a size.
| UK | US | EU | Bust (cm) |
|---|---|---|---|
| 6 | 2 | 34 | 74 |
| 8 | 4 | 36 | 79 |
| 10 | 6 | 38 | 84 |
| 12 | 8 | 40 | 89 |
| 14 | 10 | 42 | 94 |
| 16 | 12 | 44 | 99 |
| 18 | 14 | 46 | 104 |
| 20 | 16 | 48 | 109 |
| 22 | 18 | 50 | 114 |
Approximate body sizes.
UK clothing size
Women's clothing. Slide the UK size.
The three scales line up so you can read across.
How to convert to UK sizes
Any system to UK. Step through it.
Pick type
Clothes or shoes.
For shoes, measure your foot heel to toe in the afternoon, when feet are largest.
UK, US or EU
Size systems. Compare them.
Middle.
Smaller numbers.
Bigger numbers.
Children's sizes use different scales, often by age or height.
Before you order
Size checks. Tick each item.
Tick each item as you go.
Online shops often have free returns. Check before ordering two sizes.
What you get
UK conversion. Each tile explains one result.
Size.
Size.
Size.
Length.
For fit.
UK shoe sizes come from the old barleycorn, a third of an inch, per size.
Frequently Asked Questions
No question matches that search.
What is a US size eight in UK sizes?
A UK twelve in women's clothing.
How do I convert EU dress sizes to UK?
Take away twenty-eight. An EU forty is a UK twelve.
What is a US women's shoe size seven in UK?
A UK five.
What is a US men's shoe size ten in UK?
About a UK nine.
What is an EU shoe size forty-two in UK?
About a UK eight for men.
Are UK and US men's clothing sizes the same?
Mostly yes. Chest and waist sizes in inches match.
Why do sizes vary between brands?
Each brand cuts to its own fit, so the same label can fit differently.
Shop in any size system
Convert your size to UK and back quickly, then check the brand's own chart for the perfect fit.
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Each one has its own calculator, worked examples and answers to common questions.