A full size chart, an interactive converter, and foot lengths in cm — plus a guide to measuring correctly.
cm 24.5 cm is about US 8 (women's). Brands vary — measure your foot and use the cm column.
Shoe sizing is not an exact science — it varies from brand to brand and even between models. This chart is a consensus of major size guides and gives guidance, not a guarantee.
The reliable anchor is foot length in cm. Measure your foot in the evening (feet are largest then), standing, from heel to longest toe — then compare that length with the cm column below.
This size across all systems
The full women's chart with EU, US, UK, and foot length in cm. The cm and US columns are highlighted.
| EU | US | UK | Foot length (cm) |
|---|---|---|---|
| 35 | 5 | 2.5 | 22 cm |
| 36 | 5.5 | 3 | 22.5 cm |
| 37 | 6.5 | 4 | 23 cm |
| 38 | 7.5 | 5 | 23.5 cm |
| 39 | 8 | 6 | 24.5 cm |
| 40 | 9 | 7 | 25 cm |
| 41 | 10 | 7.5 | 25.5 cm |
| 42 | 11 | 8.5 | 26.5 cm |
Example: EU 39 (women's) shown in each system.
Measure in the evening — feet are largest then after a day of standing.
Place a sheet of paper against a wall and stand with your heel touching the wall.
Put your weight on the foot and mark the tip of your longest toe.
Measure from the wall to the mark in cm — that is your foot length.
Find that cm length in the chart above and read across to your size.
EU sizes use the Paris point (two-thirds of a centimeter per size); US and UK sizes use the older barleycorn measure (one-third of an inch per size) with different zero points. That is why a US size is usually about half a size above the UK size.
For women's shoes, note too that men's and women's sizes are scaled differently — a bare number without a gender is ambiguous.
Foot length in cm follows the Mondopoint system (ISO 9407) and is unambiguous regardless of national conventions. If your measured length falls between two rows, pick the larger one when in doubt — a little room at the toe beats a pinching shoe.
This chart is a consensus of major retailer size guides, anchored on foot length per Mondopoint (ISO 9407). Because brands vary, the US, UK, and EU values are guidance; the cm length is the dependable reference. When in doubt, always follow the manufacturer's own measurements.
Shoe-size conversions make online shopping abroad work — EU, UK, and US sizing systems rarely line up.
cm 24.5 cm is about US 8 (women's). Brands vary — measure your foot and use the cm column.
cm 24.5 cm (women's) is about US 8. The full chart above lists every row with the foot length in cm.
Shoe sizes are approximate and vary from brand to brand and model to model. Foot length in cm is the reliable anchor — if two sizes match your cm length, pick the larger one when in doubt.
In the evening (feet are largest then), stand with your heel against a wall on a sheet of paper, put weight on the foot, and mark your longest toe. Measure from the wall to the mark in cm and compare it with the cm column.
The cm column is foot length under the Mondopoint system (ISO 9407) and does not depend on national conventions. US, UK, and EU sizes are just translations of that length — the length itself is unambiguous.
Convert more
The shoe size converter covers US, UK, EU, and cm charts for women and men.