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EU 40 shoe size
EU 40 is about a UK 6.5, US men's 7.5 and US women's 9, fitting a foot of roughly 25.0 cm. Charts and how to check your fit.
EU 40 across the scales
An EU 40 shoe is approximately a UK 6.5, a US men's 7.5 and a US women's 9. It is cut for a foot about 25.0 cm long. Because each scale and brand fits a little differently, that foot length is the number to trust — measure yours and match it.
Sizes around EU 40
| EU | UK | US men | US women | Foot length |
|---|---|---|---|---|
| EU 39 | 6 | 6.5 | 8 | 24.5 cm |
| ➤ EU 40 | 6.5 | 7.5 | 9 | 25.0 cm |
| EU 41 | 7.5 | 8 | 9.5 | 26.0 cm |
How to check your fit
Stand on a sheet of paper in the evening, when feet are at their largest, and mark the back of your heel and the tip of your longest toe. Measure the distance in centimetres and compare it with the foot-length figure above. If you are between two sizes, or one foot is bigger, size up.
Source: Standard EU/UK/US shoe scales; foot length derived from the Paris-point basis of EU sizing. Approximate and brand-dependent. · checked 2026-09-04
Frequently asked questions
What is EU 40 in UK shoe size?
Approximately a UK 6.5. Sizing varies by brand, so use the foot length (about 25.0 cm) to be sure.
What is EU 40 in US shoe size?
Roughly a US men's 7.5 or a US women's 9.
What foot length is EU 40?
About 25.0 cm from heel to longest toe. If you measure between two sizes, round up.
Track the measurements that matter
TempoLife logs your weight and measurements over time, so progress is easy to see.