Navigating the world of shoe sizes can feel like deciphering a secret code. Whether you’re shopping online, traveling abroad, or simply trying to figure out your size in a different brand, understanding shoe size conversions is essential. Have you ever wondered what a Euro size 40 translates to in US sizes? Or perhaps you’re curious about the UK equivalent? This comprehensive guide will break down everything you need to know about shoe size conversions across US, UK, and European systems, ensuring you find the perfect fit every time.
Mastering Shoe Size Measurement
Before diving into conversion charts, let’s understand how to accurately measure your foot size. While using a ruler or even a Brannock device provides a good estimate, remember that feet are three-dimensional. These tools give approximations. After measuring, use our charts below as a guide. Keep in mind that sizing can slightly vary between brands – for example, Altra running shoes might fit differently than Brooks running shoes or Oboz hiking boots. Always consider brand-specific size charts when available.
Women’s Shoe Size Conversion Chart
| US Sizes | Euro Sizes | UK Sizes | Inches | CM |
|---|---|---|---|---|
| 4 | 35 | 2 | 8.1875″ | 20.8 |
| 4.5 | 35 | 2.5 | 8.375″ | 21.3 |
| 5 | 35-36 | 3 | 8.5″ | 21.6 |
| 5.5 | 36 | 3.5 | 8.75″ | 22.2 |
| 6 | 36-37 | 4 | 8.875″ | 22.5 |
| 6.5 | 37 | 4.5 | 9.0625″ | 23 |
| 7 | 37-38 | 5 | 9.25″ | 23.5 |
| 7.5 | 38 | 5.5 | 9.375″ | 23.8 |
| 8 | 38-39 | 6 | 9.5″ | 24.1 |
| 8.5 | 39 | 6.5 | 9.6875″ | 24.6 |
| 9 | 39-40 | 7 | 9.875″ | 25.1 |
| 9.5 | 40 | 7.5 | 10″ | 25.4 |
| 10 | 40-41 | 8 | 10.1875″ | 25.9 |
| 10.5 | 41 | 8.5 | 10.3125″ | 26.2 |
| 11 | 41-42 | 9 | 10.5″ | 26.7 |
| 11.5 | 42 | 9.5 | 10.6875″ | 27.1 |
| 12 | 42-43 | 10 | 10.875″ | 27.6 |
Men’s Shoe Size Conversion Chart
| US Sizes | Euro Sizes | UK Sizes | Inches | CM |
|---|---|---|---|---|
| 6 | 39 | 5.5 | 9.25″ | 23.5 |
| 6.5 | 39 | 6 | 9.5″ | 24.1 |
| 7 | 40 | 6.5 | 9.625″ | 24.4 |
| 7.5 | 40-41 | 7 | 9.75″ | 24.8 |
| 8 | 41 | 7.5 | 9.9375″ | 25.4 |
| 8.5 | 41-42 | 8 | 10.125″ | 25.7 |
| 9 | 42 | 8.5 | 10.25″ | 26 |
| 9.5 | 42-43 | 9 | 10.4375″ | 26.7 |
| 10 | 43 | 9.5 | 10.5625″ | 27 |
| 10.5 | 43-44 | 10 | 10.75″ | 27.3 |
| 11 | 44 | 10.5 | 10.9375″ | 27.9 |
| 11.5 | 44-45 | 11 | 11.125″ | 28.3 |
| 12 | 45 | 11.5 | 11.25″ | 28.6 |
| 13 | 46 | 12.5 | 11.5625″ | 29.4 |
| 14 | 47 | 13.5 | 11.875″ | 30.2 |
| 15 | 48 | 14.5 | 12.1875″ | 31 |
| 16 | 49 | 15.5 | 12.5″ | 31.8 |
Big Kid Shoe Size Conversion Chart (Ages 7 – 12)
| US Sizes | Euro Sizes | UK Sizes | Inches | CM |
|---|---|---|---|---|
| 3.5 | 35 | 2.5 | 8.625″ | 21.9 |
| 4 | 36 | 3 | 8.75″ | 22.2 |
| 4.5 | 36 | 3.5 | 9″ | 22.9 |
| 5 | 37 | 4 | 9.125″ | 23.2 |
| 5.5 | 37 | 4.5 | 9.25″ | 23.5 |
| 6 | 38 | 5 | 9.5″ | 24.1 |
| 6.5 | 38 | 5.5 | 9.625″ | 24.4 |
| 7 | 39 | 6 | 9.75″ | 24.8 |
Little Kid Shoe Size Conversion Chart (Ages 4 – 7)
| US Sizes | Euro Sizes | UK Sizes | Inches | CM |
|---|---|---|---|---|
| 10.5 | 27 | 9.5 | 6.625″ | 16.8 |
| 11 | 28 | 10 | 6.75″ | 17.1 |
| 11.5 | 29 | 10.5 | 7″ | 17.8 |
| 12 | 30 | 11 | 7.125″ | 18.1 |
| 12.5 | 30 | 11.5 | 7.25″ | 18.4 |
| 13 | 31 | 12 | 7.5″ | 19.1 |
| 13.5 | 31 | 12.5 | 7.625″ | 19.4 |
| 1 | 32 | 13 | 7.75″ | 19.7 |
| 1.5 | 33 | 14 | 8″ | 20.3 |
| 2 | 33 | 1 | 8.125″ | 20.6 |
| 2.5 | 34 | 1.5 | 8.25″ | 21 |
| 3 | 34 | 2 | 8.5″ | 21.6 |
Frequently Asked Questions About Shoe Sizes
– What if I’m in between sizes?
It’s generally recommended to size up, especially for athletic and sports shoes like running shoes and hiking boots. Extra room allows for foot swelling during activity and prevents discomfort.
– Does a 0.5 size difference really matter?
Absolutely! Even a seemingly small difference of 0.5 size can significantly impact shoe comfort and foot health. Shoes that are too small can lead to pain, blisters, lost toenails, and bunions, particularly common issues for runners.
– Is it normal to have one foot bigger than the other?
Yes, it’s very common for one foot to be slightly larger. Always fit shoes to your larger foot. Purchase shoe pairs based on the size of your larger foot to ensure comfortable fit for both.
– How should shoes fit – tight or loose?
Shoes should be neither too tight nor too loose. A good rule of thumb is the “thumb’s width” test: there should be approximately a thumb’s width of space between your longest toe and the end of the shoe’s toe box. Additionally, you should be able to snugly fit an index finger between your heel and the back of the shoe. If you lack sufficient space in either area, try a different size.
– When is the best time to try on shoes?
For runners and anyone who spends a lot of time on their feet, try shoes on at the end of the day. Feet naturally swell throughout the day, especially after activity. Trying shoes on when your feet are at their largest helps ensure a comfortable fit even during extended wear or long runs.
– How accurate are these shoe charts?
While these charts are a helpful guide, they aren’t a foolproof guarantee of perfect fit. For the most accurate shoe fitting experience, especially for specialized footwear like running shoes, consider visiting a specialty shoe store. Experienced fit experts can provide personalized recommendations and precise measurements. For example, if you are around the Memphis, Tennessee area, visit our stores for expert fitting advice!
Measuring Shoe Size with Brannock Device
A Brannock device, a tool used by shoe specialists, measures both foot length and width for accurate shoe sizing.
Conclusion: Finding Your Perfect Shoe Size
Understanding shoe size conversions is crucial for comfortable and healthy feet. Whether you’re determining what size 40 Euro shoes are in US sizing (it’s approximately a US women’s 9 or a US men’s 7) or navigating UK sizes, these charts and tips will guide you. Remember to measure your feet accurately, consider brand variations, and prioritize fit for your larger foot. By using this guide, you’ll be well-equipped to find the right shoe size, no matter where you’re shopping.
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