As you can imagine this is a question I get asked a lot and I'll try my best to answer it here. The short answer is that it could be either and is completely dependent on whether manufacturers decide to round their sizes up or down. Most commonly a UK 7 will be referred to as either an EU 40 or EU 41.
Is EU 40 a size 7 UK?
The majority of the shoes available in the UK are made in EU sizes. This is then converted into the equivalent UK size. The issue here is that these sizing systems aren't directly comparable.The exact dimensions of a UK 7 (measured by foot length) as defined by ISO 19407 is 254mm, whereas an EU 40 is 253.3mm and an EU 41 is 260mm. As you can see, a UK 7 is somewhere in between, although much closer to an EU 40.
| UK | Foot Length (mm) | EU |
| 253.3 | 40 | |
| 7 | 254 | |
| 260 | 41 |
Additionally, to accommodate a foot length of 254mm (UK 7), the shoes internal length (or length of the last) would need to be between 261-273mm. The individual manufacturer will use this information to decide upon the appropriate size and/or conversion to use that will best suit their customer.
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The individual product pages will offer the sizes stated by the manufacturer and we will regularly update these pages with our own sizing suggestions. However, my best advice is to just try them. We offer free UK delivery and hassle free returns.
