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Shoe Size Chart For US, UK, EU Conversion

Shoe Size Chart For US, UK, EU Conversion

Shoe Size Chart 

Choosing the right shoe size is crucial for comfort and style. Some of the common queries like “what is size 40 in UK shoes” or “what is 39 shoe size” or “what is a 38 shoe size” and “what is shoe size 37” asked by many people. Our comprehensive Shoe Size Chart for US, UK, EU is here to guide you through the intricacies of sizing, offering insights, tips, and expert advice to make your footwear decisions a breeze.

Shoe Size Chart For US, UK, EU

Women’s Shoe Size Chart

Shoe Size Chart For US, UK, EU Conversion

UK US Euro Inches Centimetres
2 4 35 8.1875 20.8
2.5 4.5 35.5 8.375 21.3
3 5 36 8.5 21.6
3.5 5.5 36.5 8.75 22.2
4 6 37 8.875 22.5
4.5 6.5 37.5 9.0625 23
5 7 38 9.25 23.5
5.5 7.5 38.5 9.375 23.8
6 8 39 9.5 24.1
6.5 8.5 39.5 9.6875 24.6
7 9 40 9.875 25.1
7.5 9.5 40.5 10 25.4
8 10 41 10.125 25.7

Men’s Shoe Size Chart

Shoe Size Chart For US, UK, EU Conversion

UK US Euro Inches Centimetres
6 7 40 9.625 24.4
6.5 7.5 40.5 9.75 24.8
7 8 41 9.9375 25.4
7.5 8.5 41.5 10.125 25.7
8 9 42 10.25 26
8.5 9.5 42.5 10.4375 26.7
9 10 43 10.5625 27
9.5 10.5 43.5 10.75 27.3
10 11 44 10.9375 27.6
10.5 11.5 44.5 11.125 28.3
11 12 45 11.25 28.6
11.5 12.5 45.5 11.5625 29.2
12 13 46 11.875 30.2
12.5 13.5 46.5 12.0625 30.6

Kids’ Shoe Size Chart

Shoe Size Chart For US, UK, EU Conversion

UK US Euro Inches Centimetres
1 1.5 32 7.75 19.7
1.5 2 33 8 20.3
2 2.5 34 8.125 20.6
2.5 3 34.5 8.25 21
3 3.5 35 8.5 21.6
3.5 4 35.5 8.625 21.9
4 4.5 36 8.75 22.2
4.5 5 36.5 8.875 22.5
5 5.5 37 9.0625 23
5.5 6 37.5 9.125 23.2
6 6.5 38 9.25 23.5
6.5 7 38.5 9.375 23.8
7 7.5 39 9.5 24.1

Please note that these sizes are approximate and may vary slightly between different shoe brands and styles. It’s always a good idea to refer to the specific brand’s size chart for the most accurate fit.

Understanding Shoe Sizes

Shoe Size Chart For US, UK, EU Conversion

Understanding the nuances of shoe sizing is crucial for making informed choices and ensuring the comfort and health of your feet. Here are some key aspects to consider:

  1. Brands and Styles Vary:

    • Different shoe brands may have slightly different sizing standards. It’s common to find variations in fit even within the same size across brands.
    • Styles of shoes (e.g., athletic shoes, dress shoes, boots) may also affect the fit. Some styles may run larger or smaller than others.
  2. Foot Shape Matters:

    • People have varying foot shapes, including differences in arch height, width, and overall volume. Shoe sizing doesn’t always account for these differences.
    • Consider the specific shape of your feet – narrow, wide, high arch, or flat arch – when choosing shoes.
  3. Half Sizes and Widths:

    • Some individuals may find that half sizes provide a better fit. If a shoe feels too tight or too loose, trying a half size up or down can make a significant difference.
    • Width options, such as narrow, standard, and wide, are available in some shoe models. This is especially important for individuals with wider or narrower feet.
  4. Measurement Techniques:

    • Measuring your feet regularly is essential because foot size can change over time. Factors like weight gain, pregnancy, or aging can affect the size and shape of your feet.
    • Measure both feet, as they may not be exactly the same size. Choose the size that fits the larger foot for the best overall comfort.
  5. Consider the Purpose:

    • Different activities may require different shoe sizes. For instance, running shoes may have a different fit compared to formal dress shoes.
    • Always consider the purpose of the shoes and the activities you’ll be engaged in while wearing them.
  6. Try Before You Buy:

    • Whenever possible, try shoes on before purchasing, especially if it’s a new brand or style for you. Walk around the store to get a feel for the fit and comfort.
    • Pay attention to any pressure points, rubbing, or discomfort, as these can indicate an improper fit.
  7. Read Reviews:

    • Online reviews can provide valuable insights into the fit and sizing of specific shoe models. Pay attention to comments from people with similar foot shapes or preferences.
  8. Consult Size Charts:

    • Refer to the size charts provided by the brand or retailer. These charts often include measurements in inches or centimetres, helping you choose the right size based on your foot length.

Why Shoe Size Matters

Getting the right shoe size ensures comfort, prevents foot issues, and enhances your overall walking experience.

Evolution of Sizing Standards

Shoe Size Chart For US, UK, EU Conversion

The evolution of shoe sizing standards has a rich history marked by regional variations and the continuous pursuit of improving accuracy and consistency. Here’s an overview of how shoe sizing standards have developed across different regions:

1. Early History:

  • In ancient times, people crafted shoes by hand, and sizing was more personalised, often based on the specific measurements of an individual’s foot.
  • There was no standardised system, and shoes were made to fit the unique shapes and sizes of each person’s feet.

2. The Brannock Device (1927):

  • Charles Brannock invented the Brannock Device in 1927, a measuring instrument that quickly became a standard in the footwear industry.
  • The device measures both foot length and width, providing a numerical size in both U.S. and Mondopoint scales.

3. United Kingdom (UK) Standards:

  • The UK developed its sizing standards, commonly known as the “UK sizing” system. The UK shoe sizes are based on the length of the last (mold) used to make the shoe.
  • The UK sizing system is widely used in Europe and other parts of the world.

4. United States (US) Standards:

  • The U.S. uses its own shoe sizing system, often referred to as the “U.S. sizing” system. The sizes are based on the Brannock Device measurements, providing a numerical size for length and width.
  • U.S. sizing is widely adopted in North America and has influenced global sizing standards.

5. European (Euro) Standards:

  • The European shoe sizing standard, known as the “Euro sizing” system, is based on the length of the foot in centimetres. This system is widely used in continental Europe.
  • Euro sizing is considered more standardised, as it directly relates to the actual length of the foot.

6. International Standard (ISO 9407):

  • The International Organisation for Standardisation (ISO) established the ISO 9407 standard for Mondopoint, a sizing system based on the length of the foot in millimetres.
  • Mondopoint sizing is commonly used in military and industrial footwear and provides a more precise measurement than some traditional sizing systems.

7. Shifts and Globalisation:

  • With the globalisation of the footwear industry, there has been a gradual move towards more standardised sizing practices to accommodate international trade and online retail.
  • Brands increasingly adopt sizing conventions that align with the expectations of their target markets, leading to some convergence in sizing standards.

8. Technological Advancements:

  • Recent advancements in technology, such as 3D foot scanning and analysis, have contributed to more accurate sizing recommendations. Some companies are leveraging technology to create custom shoes tailored to individual foot shapes.

9. Consumer Education:

  • As consumers become more aware of sizing variations, there is an increasing emphasis on providing detailed size charts and fit information by manufacturers and retailers. This empowers consumers to make more informed decisions.

Shoe Size Chart For US, UK, EU Conversion

US Shoe Size Chart:

Navigating US sizing can be complex due to variations between brands and styles. Here’s a general guide to US shoe sizes, keeping in mind that specific fits may differ:

US Women’s US Men’s Inches Centimetres
4 6 8.1875 20.8
5 7 8.5 21.6
6 8 8.75 22.2
7 9 9.0625 23
8 10 9.3125 23.8
9 11 9.625 24.6
10 12 9.9375 25.4


  • Sizes may vary between brands and styles.
  • Some brands offer half sizes for a more precise fit.
  • Consider the width (narrow, standard, wide) for optimal comfort.

UK Shoe Size Chart:

Understanding UK shoe sizes is essential for a comfortable fit. Here’s a basic guide to UK sizes:

UK Women’s UK Men’s Inches Centimetres
2 6 8.1875 20.8
3 7 8.5 21.6
4 8 8.75 22.2
5 9 9.0625 23
6 10 9.3125 23.8
7 11 9.625 24.6
8 12 9.9375 25.4

Key points:

  • UK sizes for men’s and women’s often overlap.
  • The UK system does not use half sizes as extensively as the US system.
  • Width considerations (standard, wide) are part of the sizing.

EU Shoe Size Chart:

Exploring the European shoe sizing system is crucial for finding harmony in your footwear. Here’s a general guide:

Euro Women’s Euro Men’s Inches Centimetres
35 40 8.1875 20.8
36 41 8.5 21.6
37 42 8.75 22.2
38 43 9.0625 23
39 44 9.3125 23.8
40 45 9.625 24.6
41 46 9.9375 25.4

Points to remember:

  • European sizes are based on the length of the foot in centimetres.
  • European sizing is often considered more standardised than some other systems.
  • Always check for brand-specific sizing information due to potential variations.

Navigating these sizing charts will help you make more informed decisions, but always consider specific brand recommendations and try shoes on whenever possible to ensure the best fit.

Common Myths About Shoe Sizing

Shoe Size Chart For US, UK, EU Conversion

Myths about shoe sizing are prevalent, and debunking them can help you make more informed choices when it comes to selecting footwear. Here are some common misconceptions:

1. Myth: Your Shoe Size Never Changes

  • Reality: Foot size can change over time due to factors like aging, weight fluctuations, and pregnancy. It’s essential to measure your feet periodically for accurate sizing.

2. Myth: All Shoe Brands Have the Same Sizing

  • Reality: Different brands may use varying lasts (molds) and sizing conventions. It’s common to find size discrepancies between brands, so always check size charts and reviews for specific brands.

3. Myth: Breaking in Uncomfortable Shoes Will Make Them Fit

  • Reality: While shoes may slightly stretch and conform over time, wearing uncomfortable shoes is not a solution. Shoes should feel comfortable from the beginning; persistent discomfort may lead to foot issues.

4. Myth: If One Foot Size Fits, Both Feet Are the Same Size

  • Reality: It’s common for one foot to be slightly larger than the other. Always fit shoes to the larger foot for optimal comfort.

5. Myth: Going Up a Size Fixes Narrow Shoes

  • Reality: If shoes feel too narrow, opting for a larger size may result in an ill-fitting length. Look for brands that offer width options (narrow, standard, wide) to accommodate different foot shapes.

6. Myth: Your Shoe Size Is the Same Across All Styles

  • Reality: Different shoe styles (athletic, formal, casual) may have different fits even within the same brand. Always try on different styles and check size charts.

7. Myth: Always Trust Labelled Sizes

  • Reality: Vanity sizing and discrepancies between regions mean that a labeled size may not always reflect the actual measurements. Rely on measurements and size charts for accuracy.

8. Myth: Your Shoe Size Matches Your Age

  • Reality: There’s no direct correlation between age and shoe size. People of the same age may have different foot sizes due to genetic and lifestyle factors.

9. Myth: Foot Size Is Only About Length

  • Reality: Foot width and arch height are crucial for a proper fit. Some brands offer width options to accommodate different foot shapes, enhancing overall comfort.

10. Myth: High Heels Don’t Affect Sizing

  • Reality: High heels can alter weight distribution and foot shape. Consider sizing up for heels, especially if they have a pointed toe.

How To Measure Foot Size?

Although, I recommend you to visit the complete foot measuring guide on my site here ( How To Measure Foot Size ) but, Here is a quick short guide for Measuring foot size:

  1. Materials: Get a ruler or a tape measure, a piece of paper, and a pen.
  2. Prepare Paper: Place the paper on a hard, flat surface.
  3. Trace Foot: Stand on the paper, ensuring your weight is evenly distributed. Trace the outline of your foot.
  4. Measure Length: Use the ruler or tape measure to measure the distance from the heel to the longest toe.
  5. Measure Width: Measure the width across the widest part of the foot.
  6. Record Measurements: Note down both length and width in centimetres or inches.
  7. Consult Sizing Chart: Use the measurements to determine your shoe size by referring to a sizing chart provided by the shoe brand or retailer.

Remember to measure both feet, as they may not be exactly the same size. Use the larger of the two measurements for sizing.

Considerations for Different Shoe Types

Shoe Size Chart For US, UK, EU Conversion

Adjusting your size preferences based on the type of shoe is essential for achieving the best fit and comfort. Here are considerations for different shoe types:

1. Sneakers and Athletic Shoes:

  • Fit: Sneakers often have a more casual and sporty design. Some people prefer a snug fit for athletic activities, while others may prefer a bit more room for everyday comfort.
  • Sizing: Consider that athletic shoe brands may have specific sizing standards. Always check sizing charts and, if possible, try on different brands to find the most comfortable fit.

2. Boots:

  • Sizing: Boots, especially those with pointed toes or constructed from thicker materials, may fit differently than other types of shoes. Consider going up a half size if you’re between sizes or if the boots have a narrow toe box.
  • Width: Boots may come in different widths. If you have wider feet, look for styles with a wide width option.

3. Formal and Dress Shoes:

  • Fit: Formal and dress shoes often have a more structured design. They may initially feel snug but can mold to your feet over time. Some people prefer a snug fit, while others like a bit more room for prolonged wear.
  • Sizing: Formal shoes may follow traditional sizing, but different brands may have variations. Ensure that the shoes provide ample room for your toes without being too loose.

4. Sandals:

  • Sizing: Sandals typically have more open designs, but the fit is still crucial. Ensure that your foot sits comfortably within the footbed, and check that your toes are not hanging over the edge.
  • Adjustability: Look for sandals with adjustable straps, especially if you have a narrow or wide foot. This allows for a more customised fit.

5. High Heels:

  • Sizing: High heels may compress the foot due to the incline. Consider going up a half size to allow more room for your toes.
  • Toe Box: Pay attention to the toe box shape. Pointed toe boxes may require more length, while rounded or open-toe styles may allow for a snugger fit.

6. Running Shoes:

  • Sizing: Running shoes often have additional cushioning, and sizing may differ from casual sneakers. Consider going up a half size for running shoes to accommodate foot expansion during physical activity.
  • Speciality Sizing: Some running shoe brands offer speciality sizing options, such as narrow or wide widths, to cater to different foot shapes.

7. Slip-On Shoes:

  • Sizing: Slip-on shoes, like loafers or moccasins, may have a more relaxed fit. Consider that they might stretch over time, so they may initially feel a bit snug.
  • Heel Fit: Ensure the heel of the slip-on is snug but not overly tight to prevent slipping.

8. Consider Orthotics:

  • If you use orthotic insoles, consider the space they take up in the shoe. You may need to go up a size or choose shoes with removable insoles to accommodate them.

Shoe Size Chart For US, UK, EU Conversion


In conclusion, finding the right shoe size involves considering various factors based on the type of shoe.

Read More: Wearing Shoes With Green Dress

Armed with the knowledge from my Shoe Size Chart for US, UK, EU, you’re now ready to select the best comfortable shoe size for yourself. Remember, a well-fitted shoe is the foundation of comfort and style.

Frequently Asked Questions About Shoe Sizing

Do Shoe Sizes Vary Between Brands?

Yes, shoe sizes can differ between brands due to variations in lasts and manufacturing standards.

How Often Should I Measure My Foot?

It’s advisable to measure your foot every six months, especially during growth phases or weight changes.

Can I Rely on Online Size Charts?

While online size charts provide a good starting point, trying shoes in-store is recommended for accuracy.

Are EU Sizes Universally Standardized?

While there is a general EU standard, some brands might deviate, so always check the specific brand’s size chart.

What’s the Most Accurate Time to Measure?

Measure your feet in the evening; they tend to swell throughout the day, providing a more accurate size.

Should I Consider Width Alongside Length?

Absolutely, as width impacts comfort. Always check width specifications, especially for those with broader or narrower feet.

At the end, I hope this guide was helpful for you, and my efforts are aimed at making your experience smoother and more informed.

Ahmad Xidd

Ahmad Xidd

Hey, I'm Ahmad Xidd, the brain behind whatbehind.com. I'm a shoe lover with over 100 pairs in my wardrobe. I tarted whatbehind.com in october 2023 with a vision to help people understand all kinds of shoes better. Me and my team of fellow shoe fans give you honest reviews and detailed guides, all based on our own experiences. We keep it real and practical. If you have any questions about shoes, just drop a comment. I'm here to help you out!

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