Navigating the world of shoe sizes can often feel like deciphering a secret code. European (EUR) sizes, United States (US) sizes, United Kingdom (UK) sizes – it’s easy to get lost in the numbers. If you’ve ever stared at a shoe box wondering, “What Size Is Eur 40 In Us?” you’re definitely not alone. This guide is here to clear up the confusion and provide you with a definitive answer, along with comprehensive shoe size charts to help you find your perfect fit, every time.
Understanding shoe size conversions is crucial, especially when shopping online or across different countries. Whether you’re eyeing those stylish European sneakers or need to ensure the right fit for your next pair of running shoes, knowing the US equivalent of a EUR 40 is essential.
So, let’s get straight to the point: A EUR size 40 translates to a US size 9 for women and a US size 7 for men.
However, shoe sizing isn’t always that simple. There can be slight variations between brands, and even between different styles within the same brand. To ensure you get the most accurate conversion, let’s dive deeper into detailed shoe size charts and explore how to measure your feet correctly.
Comprehensive Shoe Size Conversion Charts
Below you’ll find detailed conversion charts for women’s, men’s, and kids’ shoe sizes, covering US, EUR, and UK sizes, along with measurements in inches and centimeters. These charts will not only help you convert EUR 40 to US but also assist with any other size conversions you might need.
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 (7 – 12 years)
| 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 (4 – 7 years)
| 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 |
How to Measure Your Shoe Size Accurately
While these charts are a great starting point, the most accurate way to determine your shoe size is by measuring your feet. Here’s a step-by-step guide to help you measure your foot length at home:
- Prepare your materials: You’ll need a piece of paper larger than your foot, a pencil, and a ruler or measuring tape.
- Trace your foot: Place the paper on a hard, flat surface. Step on the paper with your heel against a wall (or any straight edge). Make sure you are wearing the type of socks you would normally wear with the shoes you intend to buy.
- Mark the longest point: With the pencil held vertically, trace the outline of your foot. Mark the longest point of your foot, which is usually the tip of your big toe or second toe.
- Measure the length: Use the ruler or measuring tape to measure the distance from the edge of the paper (where your heel was) to the mark you made at the longest point of your foot. This is your foot length.
- Measure both feet: Repeat the process for your other foot, as it’s common to have one foot slightly larger than the other.
- Use the larger measurement: When determining your shoe size, always use the measurement of your larger foot.
- Consult the charts: Compare your foot length (in inches or centimeters) to the conversion charts above to find your corresponding US and EUR shoe sizes.
Person using a Brannock device to measure shoe size
Image: A person using a Brannock device, a tool used by shoe professionals, to accurately measure foot length and width for optimal shoe fitting.
FAQ & Essential Tips for Shoe Sizing
- What if I’m between sizes? It’s generally recommended to size up, especially for athletic shoes or boots. Extra room is beneficial, particularly in activities where your feet might swell, like running or hiking.
- Does a half size really matter? Absolutely! A half size difference can significantly impact comfort. Shoes that are too small can lead to discomfort, blisters, and even long-term foot problems.
- Is it normal to have different sized feet? Yes, it’s very common! Always fit shoes to your larger foot.
- Should shoes feel tight or loose when trying them on? Neither! Shoes should feel comfortably snug. You should have about a thumb’s width of space between your longest toe and the end of the shoe. You should also be able to slip an index finger snugly between your heel and the back of the shoe.
- When is the best time to try on shoes? Try on shoes at the end of the day. Your feet naturally swell throughout the day, and this will give you a more accurate idea of how shoes will fit when your feet are at their largest. This is especially important for runners and athletes.
- Will these charts guarantee a perfect fit? While these charts are highly reliable, they are still guides. Factors like shoe style, brand, and foot width can influence the ideal size. When possible, especially for important purchases like running shoes or hiking boots, visit a specialty shoe store for professional fitting advice.
Find Your Perfect Fit
Understanding shoe size conversions, particularly knowing what size EUR 40 is in US sizes, is the first step to ensuring comfortable and well-fitting footwear. By using our detailed charts and following our measuring guide, you’ll be well-equipped to choose the right shoe size, no matter where your shoe shopping takes you. Remember to consider brand variations and always prioritize comfort for happy and healthy feet!
