Clothing Size Conversions
US ↔ UK ↔ EU ↔ JP clothing and shoe sizes.
Overview
The Clothing Size Conversion tool maps a garment size between the four most-shopped systems: US, UK, European (EU) and Japanese (JP). It covers women's tops and dresses, men's shirts and suits, and shoes for both, so a shopper on a European site can quickly figure out the right size to order from a US catalogue.
The tool is for international online shoppers, expats picking up a wardrobe abroad and retailers building size guides for a global storefront. Long-tail queries it covers include "US 8 dress to EU size", "men's UK shoe size 10 in EU", "JP women's shoe size to US" and "US 38 jacket in EU sizing".
How it works
The conversion is a lookup table rather than a formula. Each row pairs a US size with its UK, EU and JP equivalents based on the major retailer charts (M&S, Uniqlo, Zara, Nordstrom) cross-referenced for consensus. Where two sources disagree, the tool uses the more common value and notes it.
Shoe sizes follow well-defined formulas (EU = Mondopoint cm * 1.5 + a constant) but real-world brand-by-brand drift means a chart is more useful than a calculation. The dataset is updated when major brand changes shift a row.
Examples
Women's dress US 8 → UK 12 → EU 38 → JP 11
Men's shirt US 16 → UK 16 → EU 41 → JP M
Men's shoe US 10 → UK 9.5 → EU 43 → JP 28
Women's shoe US 7 → UK 4.5 → EU 37.5 → JP 24
FAQ
Why do my real-world fits drift from the chart?
Brands within a country still vary by several centimetres. A US 8 dress at one brand may fit like a US 6 at another. The chart gives you the right starting point; brand-specific charts refine it.
Is JP shoe sizing the same as foot length in cm?
Yes. Japanese shoe sizing is essentially the foot length in centimetres, which makes it the easiest system to measure for. EU and UK sizing depend more on shoe last.
What about kids' sizes?
This converter focuses on adult clothing. Kids' sizing in the US uses age bands while the EU uses height in cm, and the systems don't line up cleanly without a separate chart.
Do men's and women's shoe sizes overlap?
In the US system they differ by about 1.5 sizes (a women's US 9 is roughly a men's US 7.5). UK sizing is closer to unisex. EU sizing is fully unisex.
Should I always round up?
For shoes, yes, especially when between sizes — a slightly loose fit is far more comfortable than a tight one. For tops, fit preference matters more than the number on the label.