How to convert CM to UK?
Enter a value in CM and the converter will instantly calculate the equivalent in UK. All conversions are done locally in your browser for maximum speed and privacy.
Shoe sizing in CM and UK varies significantly between regions. A direct conversion helps avoid ordering the wrong size when shopping internationally.
What is the CM to UK conversion formula?
Shoe sizes vary between sizing systems and do not follow a single linear formula. Use the converter above for accurate results between CM and UK.
Common CM to UK conversions
| CM | UK |
|---|---|
| 21 | 1.5 |
| 23.5 | 4 |
| 25.5 | 6.5 |
| 27.5 | 9 |
| 29.5 | 11.5 |
| 32 | 14 |
How many UK are in one CM?
One CM equals 1 UK. Conversely, one UK equals 20.5 CM. Shoe sizing systems differ between regions, making conversions helpful when shopping internationally.
- 1 CM = 1 UK
- 5 CM = 1 UK
- 10 CM = 1 UK
What is the difference between CM and UK?
Centimeter sizing measures foot length directly. It is used in Japan and provides the most precise fit reference. UK shoe sizes use barleycorn increments (1/3 inch). They are the basis from which US sizes were derived.