How to use the Shoe Size Conversion
The shoe size calculator converts US sizes to approximate UK and EU sizes.
Open the Shoe Size Conversion →
What you need to enter
- Type
- US size
The formula
It estimates foot length from the US size, then converts to UK and EU (Paris point) sizes.
Worked example
Using the default values in the calculator:
- Type: Men
- US size: 9
| UK | 8 |
| EU | 41.5 |
| Foot length | 26.2 cm / 10.33 in |
Tips for better results
- Sizes vary by brand.
- Measure your foot in the evening.
Common mistakes to avoid
- Assuming sizes are identical across brands.
- Mixing men's and women's sizes.
Please note: Results are estimates for general use. For safety-critical work such as electrical or building projects, check with a qualified professional and local codes. See our Disclaimer.