👟 Shoe Size Converter

Convert Between US, UK, EU & CM Sizes Instantly

Find your perfect shoe size when shopping internationally. Free and easy to use!

Your Converted Sizes:

US Size
-
UK Size
-
EU Size
-
CM
-
⚠️ Important: Shoe sizes can vary between brands and manufacturers. These conversions are standard approximations. Always check the specific brand's size chart when possible.

📖 How to Use This Shoe Size Converter

Step 1: Select Your Gender

Choose whether you need men's or women's shoe sizes. This is crucial because men's and women's sizing systems use different scales. For example, a women's US size 8 is approximately equivalent to a men's US size 6.5.

Step 2: Choose Your Current Size System

Select the sizing system you currently know from the dropdown menu. We support four major systems:

Step 3: Enter Your Size

Type in your shoe size. You can use whole numbers (like 9) or half sizes (like 9.5). If you're using centimeters, measure your foot from heel to toe while standing.

Step 4: Convert and Compare

Click the "Convert My Size" button to instantly see your size in all four measurement systems. Use these conversions when shopping from international retailers or different regions.

👟 Understanding International Shoe Sizes

Why Are Shoe Sizes Different Across Countries?

Different countries developed their own shoe sizing systems based on different measurement standards and historical practices. The US and UK systems are based on the barleycorn (an old English unit), while European sizes use the Paris point system measured in centimeters. This is why a size 8 in the US is different from a size 8 in the UK or EU.

The Four Main Sizing Systems

US Sizing: The United States uses a system where sizes increase by 1/3 inch increments. Men's and women's scales are offset, with women's sizes being approximately 1.5-2 sizes larger than men's for the same foot length.

UK Sizing: British sizing starts at a different baseline than US sizing, typically running about 0.5 to 1 size smaller than US sizes. A UK size 8 is approximately a US size 9 for men.

EU Sizing: European sizes are based on the Paris point, where each size is 2/3 of a centimeter. EU sizes are typically much larger numbers (e.g., EU 42 equals US 9 for men).

CM (Centimeters): This is the most straightforward system, representing your actual foot length. It's becoming increasingly popular because it's universal and precise.

Men's vs Women's Sizing

In US sizing, women's sizes are approximately 1.5 to 2 sizes larger than men's sizes for the same foot length. For example:

This offset exists because the sizing scales were developed separately with different starting points.

💡 Pro Tips for Finding Your Perfect Fit

Measure Your Feet Properly

Always measure your feet in the afternoon or evening when they're slightly larger. Stand up while measuring to account for weight distribution.

Measure Both Feet

Most people have one foot slightly larger than the other. Always buy shoes to fit your larger foot for optimal comfort.

Consider Shoe Type

Athletic shoes often run differently than dress shoes. Running shoes typically need more room, while formal shoes may fit more snugly.

When in Doubt, Size Up

If you're between sizes, it's generally better to go up. Your feet swell throughout the day, and tight shoes can cause discomfort and health issues.

Check Brand-Specific Charts

Different brands fit differently. Nike, Adidas, and New Balance all have slightly different sizing. Always check the brand's specific size chart.

Read Customer Reviews

When shopping online, read reviews to see if shoes run large, small, or true to size. This real-world feedback is invaluable.

❓ Frequently Asked Questions

Why do shoe sizes vary between countries?
Different countries developed their own sizing systems based on different measurement standards and historical practices. The US and UK use the barleycorn measurement (1/3 inch), while European sizes use the Paris point (2/3 centimeter). These different foundations mean that a size 8 means something completely different depending on where you are.
Are these conversions accurate for all shoe brands?
These conversions are standard approximations based on official sizing charts, but actual fit can vary between brands and even between different shoe models from the same brand. Nike might fit differently than Adidas, and running shoes might fit differently than casual sneakers. Always check the specific brand's size chart and read customer reviews when possible.
What does CM mean in shoe sizing?
CM stands for centimeters and represents the actual length of your foot from heel to toe. This is often the most accurate measurement because it's based on physical dimensions rather than arbitrary numbering systems. Many Asian shoe brands (especially Japanese and Korean) use CM sizing exclusively.
How do I measure my foot in centimeters?
Stand on a piece of paper against a wall with your heel touching the wall. Mark the longest point of your toe on the paper. Measure the distance from the wall to your mark in centimeters. Do this for both feet and use the measurement from your larger foot. Measure in the afternoon when your feet are slightly swollen for the most accurate size.
Should I size up or down if I'm between sizes?
Generally, it's better to size up if you're between sizes. Your feet swell throughout the day, especially in warm weather or during exercise. Shoes that are too tight can cause blisters, bunions, and other foot problems. A slightly larger shoe can be adjusted with insoles, but a too-small shoe cannot be made larger.
Do men's and women's sizes differ?
Yes, significantly. In US sizing, women's sizes are typically 1.5 to 2 sizes larger than men's for the same foot length. For example, a women's size 8 is approximately equivalent to a men's size 6.5. This difference exists because the scales were developed separately with different starting points. Women's shoes are also typically narrower than men's in the same size.
What if my size isn't showing up in the converter?
Our converter covers the most common size ranges (US men's 6-14, women's 5-12). If your size falls outside this range, you may need to check with specialty shoe retailers who cater to extended sizes. Many brands now offer extended sizing for both smaller and larger feet.
Can I use this converter for children's shoes?
This converter is designed specifically for adult shoes. Children's shoe sizing uses a completely different scale and system. Children's sizes are typically divided into infant (0-4), toddler (4.5-10), and youth (10.5-7) categories, which then transition into adult sizing.
Why do athletic shoes fit differently than dress shoes?
Athletic shoes are designed with more room in the toe box to accommodate foot swelling during exercise and to allow for thicker athletic socks. They also have different support structures and cushioning. Dress shoes typically fit more snugly and have less internal volume. You might wear a half size larger in running shoes compared to dress shoes.
What's the difference between width and length sizing?
This converter focuses on length sizing (the numbered size). However, shoes also come in different widths, typically labeled as N (narrow), M or B (medium/standard), W or D (wide), and XW (extra wide). If shoes in your correct length feel too tight across the ball of your foot, you may need a wider width, not a longer shoe.

🛍️ Shopping for Shoes Online: Additional Tips

Understanding Shoe Fit Terms

True to Size: The shoe fits exactly as expected for the marked size. No need to size up or down.

Runs Small: The shoe fits smaller than expected. You may need to order a half or full size up.

Runs Large: The shoe fits larger than expected. You may need to order a half or full size down.

Narrow Fit: The shoe is tight across the width of your foot, even if the length is correct.

Wide Fit: The shoe has more room across the width, suitable for wider feet.

Return Policies Matter

When shopping online for shoes from international retailers, always check the return policy before purchasing. Look for free returns or exchanges, especially when ordering your first pair from a new brand. Many online retailers now offer free return shipping specifically because of sizing concerns.

Consider Seasonal Changes

Your feet can change size slightly based on the season. They tend to swell more in hot weather and may be slightly smaller in cold weather. Keep this in mind when ordering sandals versus winter boots.

Break-In Period

Some shoes, particularly leather dress shoes, require a break-in period and may feel tight initially. However, they should never cause pain. If shoes are uncomfortable in the store or upon first wear, they're likely the wrong size or style for your feet.