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United Kingdom sizes
Barleycorn (shoes) · Numeric offset (clothing)
Same shoe scale as the US, offset by one size. Clothing sizes sit two numbers above US women's.
Men's shoe offset
UK = US − 1
Women's shoe offset
UK = US − 2
Women's clothing
UK = US + 4
Men's shirt
Chest in inches (same as US)
UK shoe sizes share the Barleycorn scale with the US, but start from a different zero — a UK 9 is roughly a US 10 in men's, and the offset is 2 sizes for women (UK 6 ≈ US 8).
UK clothing sizes for women sit two numbers above US: US 8 = UK 12. Men's UK sizing largely matches US for shirts and jackets but uses different waist labeling for trousers.
Common pitfalls
- Men's shoe offset is 1 size; women's is 2 sizes — do not use one rule for both.
- UK 10 women's clothing is smaller than you'd expect if you're used to US.
- Australia and New Zealand use UK numbering — same charts apply.
Calculators
Brand guides for United Kingdom
Related articles
US vs EU Shoe Sizes Explained
US and EU shoe sizes measure different things on different scales. Here's exactly how they convert and where the systems disagree.
Why Shoe Sizes Differ Between Countries
The historical reason a US 10, UK 9 and EU 44 refer to the same shoe — and why brands still can't agree.