UK vs. US Shoe Size Comparison

April 04, 2025

Size Conversion Chart 

Let’s begin with the numbers – because that’s the most crucial part of the process. Save this information somewhere accessible for the next time you’re going to shop for shoes online. The following UK vs US shoe size chart provides a reliable reference for making confident size choices. 

Women's Shoe Size Conversion 

UK Size	US Size
3	5
4	6
5	7
6	8
7	9
8	10
9	11

Men's Shoe Size Conversion 

UK Size	US Size
6	7
7	8
8	9
9	10
10	11
11	12
12	13

Kids' Shoe Size Conversion 

UK Size	US Size
10	11
11	12
12	13
13	1
1	2
2	3
3	4

Note: This chart offers a general comparison—fit can vary slightly depending on brand and shoe construction. Always check the exact size chart of each brand you shop from, along with their foot measurement instructions. 

Key Differences 

When it comes to UK vs US foot size, it’s more than just a numerical variation—it’s about understanding subtle nuances that ensure superior comfort and style. Understanding this nuance can be the key difference between being able to buy the right size vs ending up with a bad fit. 

1. Sizing Logic 

The core difference lies in the measuring system. UK sizes typically run smaller than US sizes. Here's how the difference pans out for men vs women: 

• For men, US sizes are generally one full size larger than UK sizes. 

• For women, US sizes are two sizes larger than UK sizes. 

Example: A UK 6 in men’s sizing is a US 7. For women, a UK 5 equates to a US 7. This example should be handy for you to understand the difference. 

2. Children’s Sizes 

When choosing shoes for boys or shoes for girls, remember that US children’s sizes are typically one size larger than the UK equivalent. Remembering this difference is key to getting your tiny tots the right footwear for their adventures. 

3. Brand Variations 

Some luxury and designer labels may follow unique sizing curves, so it’s always advisable to consult individual brand charts, especially when investing in premium footwear. Such brands usually also have detailed measurement instructions according to their size chart. Always check that out to ensure that you get the right-sized footwear for your needs. 

Tips for Conversion 

While it might appear to be very complicated to begin with, navigating UK sizes vs US sizes can be effortless with a few thoughtful considerations. Here’s what you need to know: 

Know Your Foot Length 

Measure your foot from heel to toe in centimeters or inches. This allows you to refer to size charts with precision rather than relying on labels alone. Think of this like knowing your waist size for buying trousers – which is something all of us know. 

Account for Gender-Based Differences 

Always cross-check if the sizing is for men or women. A US men’s size 9 will not match a US women’s size 9. There is usually a 1.5 size difference between gendered sizing in the US. It’s a common mistake that often makes people end up with the wrong sized footwear, especially for brands that make the same design for men and women. 

Pay Attention to Width 

While most conversion charts refer to length, remember that shoe width is also key for comfort. Certain brands may offer narrow, regular, or wide fit options. This can be specific to your foot shape, so check it out properly. Many people swear by certain brands because that brand designs footwear suited to their foot width. 

If in Doubt, Size Up – with conditions 

When unsure or between sizes, it’s often wiser to opt for the slightly larger size, especially if you plan on wearing socks or inserts. On the other hand, some shoe designs, like leather shoes, can expand a bit after initial wear, so take that into account. 

Frequently Asked Questions 

What is the difference between shoes and sneakers when it comes to sizing? 

The sizing principle remains consistent across categories like sneakers, loafers, or formal shoes. However, materials and construction may impact the fit. For instance, leather shoes may feel snug initially but stretch over time, while sneakers may offer immediate flexibility. 

Are US and UK sizes interchangeable? 

Not exactly. While conversions are straightforward, UK vs US shoe size metrics are based on different measuring standards. Always use a conversion chart or the brand’s size guide when purchasing internationally. 

Can children’s shoe sizes be converted in the same way? 

Yes. The rule of thumb is to add one size to the UK children’s size to get the US equivalent. Still, it's best to try shoes on or measure your child's foot for accuracy. 

Conclusion 

Your shoes are more than just accessories—they’re statements of confidence, poise, and personality. Ensuring the perfect fit is the foundation of all great footwear choices. 

Understanding the UK vs US shoe size difference empowers you to shop across collections, explore international designs, and elevate your wardrobe with ease. Whether you're selecting timeless men's shoes, sophisticated women's shoes, or everyday shoes for boys and shoes for girls, Metro ensures you find your fit in every sense of the word.