UK to US Shoe Size Converter
Convert UK shoe size to US.
UK to US shoe sizes.
How the Math Works
The UK to US shoe size converter uses a straightforward numerical offset based on the measurement systems. For men, US sizes are exactly 1 full size larger than UK sizes, while for women, US sizes are 1.5 sizes larger than UK sizes. This relationship exists because the two systems have different zero points and sizing increments - UK sizes typically run 1/3 size steps while US sizes use full sizes, creating this consistent offset between the scales.
Practical Applications
To use this converter, simply take your UK shoe size and add the appropriate offset. For men's shoes, add 1 to your UK size to get the US equivalent (UK 8 = US 9). For women's shoes, add 1.5 to your UK size (UK 6 = US 7.5). If you're converting between children's sizes or need to account for different brands that may vary slightly, it's best to check specific brand sizing charts as they can differ from the standard conversion.
Day-to-Day Use
This calculator eliminates guesswork when shopping online for shoes from US retailers or ordering abroad. Whether you're buying designer shoes for an upcoming event, ordering a replacement pair of favorite sneakers, or helping your children find properly fitting shoes from overseas brands, knowing the exact US size saves time and returns. It's especially valuable when trying on multiple pairs virtually, as even a half-size difference can make shoes uncomfortably tight or loose.
FAQ
Why different?
Each region has its own sizing scale.