This page focuses on one simple goal: understanding which shoe size to check first once you know your foot length. Unlike the broader universal size charts section , this page is fully focused on shoes and on using that data inside the shoe size recommendation flow .
Even a good universal chart does not remove the brand-specific differences between lasts, shapes and model fit. That is why, after the first check, it still helps to compare the result with brands if you already know what you want to buy.
It translates foot length in centimetres into the EU, UK and US systems. That makes it much easier to start when a store uses a sizing system you do not normally shop with.
Shoes depend not only on foot length, but also on last shape, width, material and the fit of the specific model. The chart gives you a base, not a guarantee that every pair will feel the same.
It is especially useful when you buy a new brand for the first time, compare European and American sizing or shop online without trying the pair on first.
After the initial check, the next step is usually a brand page, a store page or a more precise shoe recommendation inside Unisizer.
Below is an expanded table that already covers most everyday use cases. If you know your foot length, it will usually be enough to understand where your shoe size search should begin.
| Foot length | EU | UK | US women | US men | Comment |
|---|---|---|---|---|---|
| 21.5–22.0 cm | 34 | 2 | 4 | 3 | Compact fit, more common in women’s ranges |
| 22.0–22.5 cm | 35 | 2.5 | 5 | 4 | A common starting size for light footwear |
| 22.5–23.0 cm | 36 | 3.5 | 5.5 | 4.5 | A useful baseline for compact city footwear |
| 23.0–23.5 cm | 37 | 4 | 6 | 5 | One of the most common women’s shoe sizes |
| 23.5–24.0 cm | 38 | 5 | 7 | 6 | A practical starting point for everyday models |
| 24.0–24.5 cm | 39 | 6 | 8 | 7 | A common range for sneakers and casual footwear |
| 24.5–25.5 cm | 40 | 6.5 | 8.5 | 7.5 | A transition size where width starts to matter more |
| 25.5–26.0 cm | 41 | 7 | 9 | 8 | A common size for versatile everyday models |
| 26.0–27.0 cm | 42 | 8 | 10 | 9 | A popular range in men’s casual footwear |
| 27.0–27.5 cm | 43 | 9 | 11 | 10 | Frequently seen in sneakers and sport styles |
| 27.5–28.5 cm | 44 | 9.5 | 12 | 10.5 | A borderline range where brand fit should be checked carefully |
| 28.5–29.0 cm | 45 | 10.5 | 13 | 11.5 | Often worth checking against insole length if available |
| 29.0–30.0 cm | 46 | 11 | 14 | 12 | Best verified with both brand notes and store guidance |
The simplest way is to place your foot on a sheet of paper, mark the heel and the longest toe point, and then measure the distance between them. If you want to jump straight into action, use the shoe size recommendation flow .
It is best to measure in the evening, when the foot already reflects normal daily load. If your left and right foot lengths differ slightly, use the larger one as the base.
For winter shoes, thicker socks and sports footwear, it is usually smarter to keep a small comfort allowance. If you are already browsing real products, it helps to open the shop catalog at the same time.
Start by finding the foot-length range that matches your measurements most closely. Then compare it with how the size is labelled by the brands you care about.
If you are between two values, do not automatically choose the smaller one. For closed shoes, sport footwear and winter models, the safer choice is often the slightly larger range.
If you want the broader context, it helps to keep the main universal size charts section nearby. That way you keep shoes, clothing and international sizing logic connected.
It is better not to. Foot length is the most reliable starting point, while number labels still vary between brands.
For the starting choice, foot length matters more. Insole length becomes useful later when a brand or store publishes it for a specific model.
Because size depends on last shape, width, material and the internal volume of the pair. The nominal size may match while the fit does not.
In that case, foot length alone is not enough. You need to pay attention to width-friendly brands and should not base the choice only on a universal chart.