Written by Wesley Kang 

Introduction to Shoe Sizing

When it comes to shopping for men's or women's shoes online, getting the right size is essential for both comfort and style. However, navigating the world of international shoe sizes can be a daunting task, with each country employing its own sizing standards.

In this guide, we'll unravel the mysteries of China shoe sizes and show you how to easily convert them to their US counterparts. So, whether you're an avid online shopper or planning to buy shoes during your travels, understanding this conversion process is your key to finding the perfect fit.

 

The History of Shoe Sizes

The history of sizes for shoes dates back to ancient civilizations, where different cultures developed their own methods for measuring feet and making footwear. In ancient Egypt, for instance, cobblers used lengths of reed to measure the foot.

The Romans were among the first to standardize shoe sizes using the length of a barleycorn, which is still the basis for the British shoe sizing system today. During the Middle Ages in Europe, shoe sizes remained largely unstandardized, with cobblers making shoes custom-fitted to individual feet.

The industrial revolution brought about mass production, necessitating a more uniform system of shoe sizes. The United States developed its own sizing system in the 19th century, while other regions, including Europe, adopted variations like the Paris Point system.

Palickap, CC BY-SA 4.0, via Wikimedia Commons

In 1925, Charles F. Brannock invented the Brannock Device to measure feet and determine shoe size.

Despite these advances, there remains a lack of global standardization in shoe sizing, leading to variations and the need for conversion charts across different countries.

Understanding Chinese Shoe Sizes

Chinese shoe sizing can be quite different from what you might encounter in other parts of the world, such as the United States. CN shoe size refers to the sizing system used in China, which is typically based on the length of the foot in millimeters. It differs from other international sizing systems like US, UK, or EU.

To navigate this system effectively and convert China's shoe sizes to US sizes, it's crucial to grasp the fundamentals of how Chinese sizing works. Here's a closer look:

Millimeter Measurement

In China, shoe sizes are often labeled in millimeters (mm). Instead of using a more familiar numerical system like the US, where shoe sizes differ and are assigned a number (e.g., 9, 10, 11), Chinese sizes are usually expressed as the length of the insole of the shoe in millimeters.

For example, a pair of Chinese shoes labeled "250 mm" would mean that the insole measures 250 millimeters in length. These different shoe sizing systems can lead to confusion when shopping.

Insole Length vs. Foot Length

It's important to note that shoe sizes from China are typically based on the insole length rather than the actual length of your foot. This means you need to measure the insole of the shoe to determine if it will fit your foot comfortably. To convert a Chinese shoe size to US sizing, you'll need to compare the insole length to US size charts.

Variations by Brand and Region

Just like in many other countries, Chinese shoe sizes can vary slightly between different brands and regions within China. It's not uncommon to find that a size 250 mm in one brand fits differently from a size 250 mm in another brand. This variation can make it challenging to rely solely on the numerical size when shopping for Chinese shoes. Always consult the brand's specific size chart or recommendations when available.

Gender-Specific Sizing Diferences

Similar to the US and other countries, Chinese shoe sizing systems are often categorized by gender. Men's and women's shoe sizes may follow different size ranges, so it's important to select the appropriate gender category when determining your size.

Converting Chinese Sizes to US Sizes

To convert a Chinese shoe size to its US equivalent, you'll need to consult a conversion chart or use an online sizing calculator. These tools will typically provide a range of US sizes that correspond to a given Chinese size in millimeters.

If you're looking for other guides, check out our Asian size to US size, our favorite Asian clothing brands,  and brands like Uniqlo.

Keep in mind that these charts are meant to be guides, and individual fit can still vary based on factors like shoe style and brand. We have our own shoe size conversion and conversion charts below.

 

Women's Shoe Size Conversion Chart

We also have a traditional size chart as a handy reference tool to provide you with a quick and easy way to convert women's shoe sizes between different regions, ensuring that you can confidently find the perfect fit no matter where you shop.

Women's Chinese Shoe Size	Women's US Shoe Size
38	5
39	5.5
39.5	6
40	6.5
41	7
42	8
43	8.5
43.5	9
44	9.5
44.5	10
45	10.5
46	11
47	12
48.5	13

Men's Shoe Size Conversion Chart

Simplifying the process of converting men's shoe sizes across international scales, this two-column men's shoe size chart ensures that you're always one step closer to the ideal pair of shoes.

Whether you're shopping online or exploring global brands, our conversion chart removes the guesswork and helps you find the right size with ease. Say hello to precision and bid farewell to sizing hassles as we guide you through this invaluable resource.

 

Men's Chinese Shoe Size	Men's US Shoe Size
38	5
39	5.5
39.5	6
40	6.5
41	7
42	8
43	8.5
43.5	9
44	9.5
44.5	10
45	10.5
46	11
47	12
48.5	13

 

Use Our CN Shoe Size to US Calculator

Our calculator is a user-friendly tool designed to simplify the often bewildering process of translating millimeter-based Chinese shoe sizes into the familiar US sizing system.

Whether you're an avid online shopper or planning to explore the world of Chinese footwear, this calculator is your key to finding the perfect fit with confidence among the different sizing systems.

 

Avoid Shoe Shopping Mistakes

Avoiding shoe shopping mistakes when converting Chinese shoe sizes to US sizes is crucial for a comfortable fit. Many shoppers find themselves perplexed by the differences in international sizing standards, leading to potential sizing mishaps.

Chinese shoes typically run smaller than their US counterparts, and without accurate conversion, you may end up with shoes that are either too tight or too loose. To prevent these issues, it's essential to use a reliable conversion chart and measure your foot length accurately.

Additionally, consider reading customer reviews for insights on sizing discrepancies specific to the brand. By taking these precautions, you can confidently navigate the complexities of international shoe shopping and ensure a perfect fit every time.

China Shoe Size Conclusion

In the ever-expanding world of footwear, understanding and converting sizes between different regions is a vital skill that can make or break your shopping experience. We've explored the intricacies of Chinese shoe sizes and provided you with insights on US sizing, all while introducing our custom-built calculator

Armed with this knowledge and tool, you're now equipped to confidently navigate the international shoe market, ensuring that every pair of shoes you purchase fits perfectly. Keep an eye out for more calculators we built that'll convert European sizes, UK sizing, and more.

When it comes to international sizing, global shoe brands such as Clarks and Cole Haan have a variety of sizes and specific size charts perfect for making online shopping easier.

No more discomfort or sizing uncertainties—just the joy of finding the ideal footwear for any occasion. So go ahead, step into the world of global shoe fashion with confidence and style. Happy shoe shopping! And don't forget to read our articles about the best dress socks for men and sock sizes.

 

Frequently asked questions about shoe size conversion

What is Chinese shoe size to US?

Chinese shoe sizes typically differ from US sizes, so it's helpful to convert them. Generally, you can find a conversion chart online or use a sizing conversion tool. For a rough estimate, you can add 1.5 to 2 sizes to your Chinese size to get your US size. For example, a Chinese size 38 is roughly a US size 7.5 to 8.

What size is CN 40 41 in US shoes?

In US shoe sizes, a Chinese size 40 generally converts to about a US men's 7.5 to 8. For Chinese size 41, it's roughly equivalent to a US men's 8.5 to 9. Keep in mind that sizing can vary slightly between brands so refer to the specific brand's size chart.

What is size 40 in US size?

A Chinese size 40 usually corresponds to a US men's size 7.5 to 8. For women's shoes, it is approximately a US size 9.5 to 10. Be sure to check individual brand sizing charts for the most accurate fit.

What size is 37 in women's shoes?

A Chinese size 37 typically converts to a US women's size 6.5 to 7. However, sizes can vary by brand, so it's always best to refer to specific size charts provided by the shoe manufacturer.