Shoe Size Converter

Quick answer: an EU 39 is a US women’s 8 at five of the six brands here (Skechers calls it a 9), and a US women’s 8 is a US men’s 6 to 7, depending on the brand. Brands don’t use one shared chart, so the converter reads your size in each brand’s own table and shows where they agree and where they don’t. From your foot: measure heel to longest toe, and each brand’s size is the smallest one made for a foot that long.

How to use it

Choose A size, pick the system the size is in (US, UK, EU, or the cm size on Japanese and Nike boxes) and type it. The answer is the size most brands give, and the table under it shows what Nike, Skechers, Clarks, Dr. Martens, Birkenstock and Veja each call the same shoe. To go from women’s to men’s, choose US: the answer is then the other gender’s US size.

Don’t know your size, or buying a brand you have never worn? Choose My foot, measure both feet and type the longer one, in inches or centimetres. Every result has its own link you can save or send.

EU to US women’s shoe sizes, brand by brand

Each column is that brand’s own chart. A dash means the brand doesn’t make that size: Dr. Martens and Birkenstock make whole EU sizes only.

EU to US men’s shoe sizes

Women’s to men’s shoe sizes

There is no single rule. For a US women’s 8, Nike says men’s 6½, Dr. Martens 7 and Veja 6 (Clarks and Birkenstock start their men’s charts higher). The US has two old scales, one where women’s is men’s plus 1½ and one where it is plus 1 (Wikipedia), and brands also differ in how they turn EU sizes into US ones. Skechers publishes separate women’s and men’s charts that don’t line up, so it is not in this table.

UK to US shoe sizes

For women, most brands add 2 or 2½ to a UK size to get the US one; Skechers adds 3. For men, most add 1.

How to measure your foot

1. Tape a sheet of paper to a hard floor, against a wall, and stand on it with your heel touching the wall and your weight on both feet.
2. Mark the tip of your longest toe. It is not always the big toe.
3. Measure from the wall to the mark: that is your foot length.
4. Do the other foot too, and use the longer of the two.
5. Measure toward the end of the day: feet can swell by up to 8% as the day goes on.

From Nike‘s and Clarks‘ measuring guides and the American Academy of Orthopaedic Surgeons, which adds: stand while you measure, because your weight spreads your foot, and leave about ½ inch between your longest toe and the tip of the shoe.

What the width letters mean

No letter means standard: B for women, D for men (Wikipedia). More A’s are narrower and more E’s wider, so 2A is the same as AA. Watch the D: Skechers sells a women’s D as wide and a men’s D as medium. Clarks, a UK brand, has letters of its own: its women’s fits are C narrow, D standard, E wide and EE extra wide. Birkenstock makes just two widths, Regular and Narrow. Nike gives the difference in inches: a wide has about ¼ inch more room around the toes than a regular, an extra wide about ½ inch.

Why brands don’t agree

EU sizes count Paris points of ⅔ cm, while UK and US sizes count barleycorns of ⅓ inch, each from a different starting length (Wikipedia). The steps don’t line up, and every brand rounds the gap its own way. That is why an EU 39 is a US women’s 8 at Nike and a 9 at Skechers, and why even one brand’s shoes can differ: Veja‘s size guide has a separate chart for each model. Use the converter to find your size, then check the brand’s own chart and try the shoe on.

The charts this converter reads, each checked on 2026-09-19: Nike (women’s, men’s), Skechers, Clarks (US women’s, US men’s, UK), Dr. Martens, Birkenstock and Veja.

Once you know your size, see what to wear it with on Needle Style: boots with jeans, Hoka sneaker outfits, ballet flats with wrap tops and knee-high boot looks.

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