Shoe Size Conversion: Convert US, UK, EU, JP, CM, MM & More

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Shoe Size Converter
Convert international shoe sizes and foot measurements
Live Converter
Shoe Category Select the sizing category
Convert From Choose your current size
US
Quick Select
Convert To Choose the target size
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Target Size EU
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Know your foot length? For the most reliable conversion, measure your foot from heel to longest toe.
Converted Size Men's Shoe Size
EU
Estimated Foot Length cm
International Size Comparison Approximate
🇺🇸 US
🇬🇧 UK
🇪🇺 EU
🇯🇵 JP
🇨🇳 CN
🇰🇷 KR
🇦🇺 AU
🇲🇽 MX
Centimeters
Millimeters
Inches
Mondopoint

Shoe sizes can vary between brands and manufacturers. Use your measured foot length and the manufacturer's size chart whenever possible.

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Shoe Size Conversion calculator for US, UK, EU, JP, CN, KR, AU and MX sizes. Convert shoe sizes using CM, MM, inches, Mondopoint and foot length.

Introduction

Finding the right shoe size can be surprisingly difficult when shopping internationally. A US shoe size may not match the same number in the UK, EU, Japan, Korea, China, Australia, or Mexico. Even when two shoes have the same labeled size, the actual fit can vary because sizing systems use different measurements and manufacturers may follow slightly different standards. Our Shoe Size Conversion tool makes this process easier by helping you convert shoe sizes between major international sizing systems in seconds.

This Shoe Size Conversion tool supports men’s, women’s, kids’, and baby shoe sizes. You can convert US shoe size, UK shoe size, EU shoe size, Japan (JP), China (CN), Korea (KR), Australia (AU), Mexico (MX), centimeters, millimeters, inches, Mondopoint, and foot measurements. Instead of searching through multiple charts, you can enter a size you already know and instantly see equivalent measurements.

The tool is particularly useful for online shopping, international footwear purchases, travel, sports shoes, children’s footwear, and comparing sizes between different countries. If a website lists shoes using EU sizing while you normally use US sizing, Shoe Size Conversion gives you a convenient starting point.

For the best possible fit, remember that shoe sizing is not completely universal. Brand-specific size charts, shoe shape, width, materials, and manufacturing standards can affect the final fit. Whenever possible, measure your foot length and compare it with the manufacturer’s recommendations.

Whether you need a US to EU shoe size conversion, UK to US shoe size conversion, or a foot-length conversion in centimeters and millimeters, this Shoe Size Conversion tool provides a fast and convenient solution.

About Shoe Size Conversion

Buying shoes online becomes much easier when you understand how international sizing systems relate to one another. The main purpose of Shoe Size Conversion is to bridge the gap between different shoe sizing standards. A shopper who normally wears a US men’s size 10 may encounter a UK, EU, JP, or CM size when purchasing shoes from another country. Without a reliable reference, choosing the correct size can become confusing.

A good Shoe Size Conversion tool saves time because you do not have to manually search through several different size charts. You simply select the shoe category, choose the measurement you know, enter the value, select the system you want, and convert it. The tool also displays multiple international equivalents so you can compare different sizing systems at the same time.

One of the most useful aspects of Shoe Size Conversion is measurement-based conversion. Shoe sizes are labels, but your foot length is an actual physical measurement. Measuring your foot in centimeters or millimeters can therefore provide a more useful reference than relying exclusively on a shoe number.

For example, someone searching for a US to EU shoe size conversion can enter a US size and view an approximate EU equivalent. Someone searching for a shoe size conversion chart in cm can instead use their measured foot length. This flexibility makes the calculator useful for different shopping situations.

The tool also supports men’s, women’s, kids’, and baby sizing. Children’s feet change rapidly, so parents often need to compare different sizing systems when purchasing shoes from international stores. A dedicated kids and baby option makes the conversion process more convenient.

Another important benefit of Shoe Size Conversion is its support for regional systems. US and UK sizing are common in many online stores, EU sizing is widely used across Europe, JP sizing is closely associated with centimeter measurements, KR sizing commonly uses millimeters, and other markets may use their own conventions.

However, international shoe sizing is not perfectly standardized. A conversion should be considered an estimate rather than a guarantee of fit. Different brands may add different amounts of internal space, use different lasts, or label sizes differently. This is why the best approach combines Shoe Size Conversion with an accurate foot measurement and the manufacturer’s own size guide.

The calculator is designed to give you a practical starting point quickly. Instead of guessing, you can compare your known size with several international systems and then make a more informed purchasing decision.

Whether you are buying running shoes, casual shoes, boots, children’s shoes, formal footwear, or athletic footwear, Shoe Size Conversion can help reduce confusion before you place an order.

Shoe Size Conversion Tool Features

  • Multiple shoe categories: Choose men’s, women’s, kids’, or baby sizing before performing your Shoe Size Conversion.
  • International size conversion: Convert between US, UK, EU, JP, CN, KR, AU, and MX sizing systems.
  • CM and MM measurements: Use centimeters or millimeters when you know your actual foot length.
  • Inches conversion: Convert foot measurements between inches and other supported units.
  • Mondopoint support: Convert measurements using the Mondopoint system.
  • Foot measurement option: Enter a direct foot measurement instead of relying on a labeled shoe size.
  • Quick size selection: Use preset sizes for faster calculations.
  • International comparison: View multiple regional equivalents after completing a Shoe Size Conversion.
  • Copy results: Copy your complete conversion results for shopping, notes, or sharing.
  • Responsive design: Use the calculator comfortably on smartphones, tablets, laptops, and desktop computers.

These features make the Shoe Size Conversion tool useful for everyday shopping as well as international footwear research.

How Shoe Size Conversion Works

The Shoe Size Conversion process uses foot length as a common reference point. When you enter a shoe size such as US, UK, or EU, the calculator estimates the corresponding foot length. It then uses that measurement to calculate the requested target size.

A simplified measurement relationship can be represented as:

Foot Length (cm) = Foot Length (mm) ÷ 10

For inches:

Foot Length (inches) = Foot Length (cm) ÷ 2.54

For millimeters:

Foot Length (mm) = Foot Length (cm) × 10

For Mondopoint:

Mondopoint (mm) ≈ Foot Length (mm)

International shoe sizes use different sizing systems, so the conversion between US, UK, and EU sizes is based on established relationships and practical approximations rather than one universal equation.

For example, if you measure a foot at approximately 27 cm, you can enter 27 in the CM field. The calculator can then provide estimated US, UK, EU, JP, CN, KR, AU, and MX equivalents.

This measurement-first approach is important because shoe labels do not have exactly the same physical meaning across countries. A Shoe Size Conversion therefore works best when the input is based on an accurate foot measurement.

The calculator also considers the selected category. Men’s, women’s, kids’, and baby sizing can use different relationships, so selecting the correct category before converting is important.

Always remember that the formulas provide practical estimates. The final fit can differ between brands, models, widths, and shoe styles.

How to Use the Shoe Size Conversion Tool

Using the Shoe Size Conversion tool takes only a few steps.

  1. Select your shoe category. Choose Men, Women, Kids, or Baby.
  2. Choose the starting system. Select US, UK, EU, JP, CN, KR, AU, MX, CM, MM, inches, Mondopoint, or foot measurement.
  3. Enter your size or measurement. Type the number you already know.
  4. Select the target system. Choose the sizing system you want to convert to.
  5. Click Convert Shoe Size. The calculator processes the value immediately.
  6. Review the main result. Your requested equivalent appears prominently.
  7. Check international equivalents. The tool also displays other regional sizes for comparison.
  8. Review the foot measurement. CM, MM, inches, and Mondopoint measurements are shown when available.
  9. Copy the result if needed. Use the Copy button to save or share the conversion.
  10. Compare with the brand chart. Before purchasing, verify the result against the shoe manufacturer’s official sizing information.

For the most reliable Shoe Size Conversion, measuring your foot is usually better than guessing from an old shoe size.

Shoe Size Chart: US, UK, EU, JP, CM, MM & More

Use these shoe size charts to compare men's, women's, kids' and baby shoe sizes across different international sizing systems. For the most accurate fit, measure your foot length in centimeters or millimeters and compare it with the shoe manufacturer's official size guide.

Men's Shoe Size Chart

Foot Length (CM) MM US UK EU JP CN KR AU MX
22.022043352235220322
22.52254.53.53622.5362253.522.5
23.023054372337230423
23.52355.54.53823.5382354.523.5
24.024065392439240524
24.52456.55.539–4024.5402455.524.5
25.025076402540250625
25.52557.56.54125.5412556.525.5
26.026087422642260726
26.52658.57.542–4326.5432657.526.5
27.027098432743270827
27.52759.58.54427.5442758.527.5
28.028010944–452845280928
28.528510.59.54528.5452859.528.5
29.029011104629462901029
29.529511.510.546–4729.54729510.529.5
30.030012114730473001130
30.530512.511.54830.54830511.530.5
31.031013124931493101231
32.032014135032503201332

Women's Shoe Size Chart

Foot Length (CM) MM US UK EU JP CN KR AU MX
21.52154.52.53521.5352154.521.5
22.02205335–362236220522
22.52255.53.53622.5362255.522.5
23.023064372337230623
23.52356.54.537–3823.5382356.523.5
24.024075382438240724
24.52457.55.53924.5392457.524.5
25.02508639–402540250825
25.52558.56.54025.5402558.525.5
26.026097412641260926
26.52659.57.541–4226.5422659.526.5
27.02701084227422701027
27.527510.58.54327.54327510.527.5
28.028011943–4428442801128
28.528511.59.54428.54428511.528.5
29.029012104529452901229

Kids' Shoe Size Chart

Foot Length (CM) MM US Kids UK Kids EU JP CN KR
12.01205C4201220120
12.51256C52112.521125
13.01307C6221322130
13.51358C72313.523135
14.01409C8241424140
14.514510C92514.525145
15.015011C10261526150
15.515512C112715.527155
16.016013C12281628160
16.51651Y132916.529165
17.01702Y1301730170
18.01803Y2311831180
19.01904Y3321932190
20.02005Y4332033200
21.02106Y5342134210
22.02207Y6352235220

Baby Shoe Size Chart

Foot Length (CM) MM US Baby UK Baby EU JP CN KR
8.5850–1C0158.51585
9.0901C0.51691690
9.5952C1179.51795
10.01003C2181018100
10.51054C31910.519105
11.01105C4201120110
11.51155.5C4.52111.521115
12.01206C5221222120
12.51257C62312.523125
13.01308C7241324130
13.51359C82513.525135
14.014010C9261426140
Important: Shoe sizing varies between countries, brands, and individual shoe models. These charts are intended as general conversion references. For the best fit, measure both feet and compare your foot length with the manufacturer's official size chart before purchasing.

Example Shoe Size Conversion Calculations

Imagine that you normally wear a US men’s shoe size 10 and want to understand how that size relates to other systems. Select Men, choose US Shoe Size as the starting system, enter 10, and select the target system. The calculator estimates the corresponding foot length and uses it to provide international equivalents.

Example 1: US to EU

Suppose a shopper enters a US men’s size 10 and wants an EU size. The calculator estimates the underlying foot length and provides an approximate EU equivalent. Because EU sizing uses a different scale, the resulting number will look very different from the original US number.

This is a common reason people search for US to EU shoe size conversion before ordering footwear from European websites.

Example 2: US to UK

A shopper who normally wears US men’s shoes may find a UK-only online store. Instead of guessing, they can enter their US size and select UK as the target. The calculator provides an estimated UK equivalent.

The same process works in reverse. If a British retailer lists a UK size, enter the UK number and convert it to US sizing.

Example 3: CM to US

Suppose you measure your foot and get approximately 27 cm. Select CM as the input system, enter 27, choose US as the target, and perform the calculation. This gives you an estimated US size based on your physical foot measurement.

This method is particularly useful when buying shoes online because an accurate measurement can be more informative than relying on an old pair of shoes.

Example 4: CM to JP

Japanese shoe sizing is commonly associated with centimeter measurements. If your foot measures 26.5 cm, entering 26.5 CM and converting to JP gives you an easy reference for Japanese footwear.

This is one reason Shoe Size Conversion can be useful for international travelers and shoppers.

Example 5: CM to KR

Korean shoe sizing is commonly expressed in millimeters. If your foot length is 27 cm, that corresponds to approximately 270 mm. A CM-to-KR conversion therefore makes it easier to understand Korean shoe listings.

Example 6: Inches to CM

If you measured your foot in inches, you can enter the measurement directly. The calculator converts inches to centimeters using:

Centimeters = Inches × 2.54

For example, a foot measuring 10 inches corresponds to approximately 25.4 cm.

These examples demonstrate why Shoe Size Conversion is useful across different shopping situations. The exact result should always be treated as an estimate and checked against the brand’s own sizing information.

Key Concept Guide to Shoe Sizes

Understanding a few important concepts makes Shoe Size Conversion much easier.

US Shoe Size

US sizing is commonly divided into men’s and women’s systems. The same numerical value does not necessarily represent the same physical shoe length between men’s and women’s footwear. This is why selecting the correct category is important when using a Shoe Size Conversion calculator.

UK Shoe Size

UK sizing uses a different scale from US sizing. Although UK and US numbers are related, they should not be treated as identical. A UK size usually appears smaller numerically than its corresponding US men’s size.

EU Shoe Size

EU sizing uses a different scale again and is often expressed using numbers such as 38, 40, 42, or 44. EU sizing is common across European footwear markets and many international shoe websites.

Japan Shoe Size

Japanese shoe sizing is closely associated with foot length in centimeters. This can make JP sizing relatively intuitive when you know your measured foot length.

China Shoe Size

Chinese shoe sizing can vary depending on the manufacturer and the particular sizing standard being used. When buying from a Chinese retailer, compare the listed measurement with the seller’s size chart whenever possible.

Korea Shoe Size

Korean footwear commonly uses millimeters. A size such as 270 generally relates to a foot length around 270 mm. This makes MM measurements especially useful for Shoe Size Conversion.

Australia Shoe Size

Australian sizing has relationships with other systems, but the exact conversion can differ depending on men’s or women’s footwear and the brand. Always verify the retailer’s chart for an important purchase.

Mexico Shoe Size

Mexican shoe sizing can be presented differently depending on the manufacturer. Because regional conventions can vary, use the converted value as an estimate and compare the foot measurement with the seller’s information.

Centimeters

Centimeters provide a direct measurement of length. For many shoppers, knowing foot length in CM is one of the most useful pieces of information for choosing footwear.

Millimeters

Millimeters are especially useful for precision measurements. Korea commonly uses millimeter-based shoe sizing, and Mondopoint is also expressed in millimeters.

Inches

Inches are widely used in countries and industries where imperial measurements are common. The conversion is straightforward because one inch equals 2.54 centimeters.

Mondopoint

Mondopoint is a measurement-based shoe sizing system associated with foot dimensions in millimeters. Unlike systems that rely primarily on arbitrary size numbers, Mondopoint focuses more directly on physical measurements.

Foot Measurement

Your actual foot length is the distance from the back of your heel to the tip of your longest toe. Measuring both feet is recommended because one foot can be slightly longer than the other. Use the longer foot when selecting a shoe size.

Understanding these concepts helps you use Shoe Size Conversion more effectively and reduces the risk of confusing one country’s size system with another.

Tips & Best Practices for Accurate Shoe Size Conversion

For the best results, do not rely exclusively on a labeled shoe size. A previous pair of shoes may fit differently because of brand, model, width, materials, or age. Instead, combine Shoe Size Conversion with an accurate measurement.

Measure Your Feet at the Right Time

Feet can expand slightly during the day. Measuring in the afternoon or evening can give you a more realistic measurement for everyday footwear.

Measure Both Feet

Place each foot on a sheet of paper and measure from the back of the heel to the longest toe. If one foot is longer, use the longer measurement when choosing your size.

Wear the Socks You Will Actually Use

If you are purchasing athletic shoes or winter footwear, measure while wearing the type of socks you normally use with those shoes.

Keep Your Heel Against a Wall

A simple wall-based measurement method can make the process more consistent. Stand with your heel lightly against a wall and measure to your longest toe.

Use CM or MM When Possible

A physical measurement in centimeters or millimeters can provide a stronger reference than guessing from a previous shoe label. This is particularly helpful when using Shoe Size Conversion for international purchases.

Check the Brand’s Size Chart

A calculator provides an estimate. The manufacturer’s chart should be considered the final reference because individual brands can use different lasts and sizing conventions.

Consider Shoe Width

Length is only one part of fit. Some people need wide, narrow, or extra-wide footwear. Two shoes with the same length measurement may feel very different if their widths differ.

Consider the Shoe Style

Running shoes, hiking boots, dress shoes, sandals, and children’s shoes can have different fitting requirements. A conversion should therefore be treated as a starting point rather than a guarantee.

Do Not Assume Every Brand Uses Identical Sizing

There is no single universal shoe sizing standard that guarantees identical fit across every manufacturer. Use Shoe Size Conversion to understand the approximate relationship between systems, then verify the specific product.

Save Your Foot Measurement

Once you have accurately measured your feet, keep the CM and MM measurements available. They can be useful when shopping from international stores and can make future Shoe Size Conversion much faster.

Frequently Asked Questions About Shoe Size Conversion

What is the most accurate way to convert shoe sizes?

The most reliable approach is to measure your foot length in centimeters or millimeters and then compare that measurement with the shoe manufacturer’s size chart. A Shoe Size Conversion calculator can help translate that measurement between US, UK, EU, JP, and other systems, but no conversion can guarantee an identical fit across every brand.

Foot shape, width, shoe construction, materials, and manufacturing standards can all affect fit. If you are purchasing an expensive shoe or ordering from a brand you have never used, measure both feet and use the manufacturer’s recommendations.

Using CM or MM is particularly useful because these units describe physical length rather than simply relying on a numbered sizing label.

How do I convert US shoe size to EU shoe size?

To perform a US-to-EU conversion, select the appropriate men’s, women’s, kids’, or baby category in the Shoe Size Conversion tool. Select US as the input system, enter your US size, choose EU as the target system, and convert.

The result is an approximate EU equivalent. US and EU sizing systems use different scales, so the numbers will not look directly related. For example, a US men’s size in the 9–11 range will generally correspond to an EU size in the low-to-mid 40s, depending on the exact measurement.

For the best result, use your foot length in CM and then compare the calculated EU size with the manufacturer’s chart.

How do I convert EU shoe size to US?

Select your shoe category, choose EU as the input system, enter your EU size, and select US as the target. The Shoe Size Conversion tool will estimate the corresponding US size.

It is important to select men’s or women’s sizing correctly because US men’s and women’s systems are not identical. A common mistake is to convert an EU size into a US number without considering the footwear category.

If you are shopping online, use the calculated US size as a reference and check the retailer’s own chart before ordering.

Is shoe size the same in every country?

No. Shoe sizing systems differ between countries and regions. US, UK, EU, JP, CN, KR, AU, and MX systems use different conventions, and even within the same system, brands can vary.

This is why Shoe Size Conversion should be viewed as an estimate rather than a universal rule. A particular manufacturer’s size 9 may not fit exactly like another manufacturer’s size 9.

Foot length is often the most useful common reference. If a retailer provides a CM or MM measurement, compare it directly with your measured foot length whenever possible.

Should I measure my foot in centimeters for shoe sizing?

Yes. Measuring your foot in centimeters is one of the most useful ways to improve your footwear selection. CM provides a direct length measurement that can be compared with many international sizing systems.

To measure your foot, place it on a flat surface with your heel against a wall. Measure from the wall to the end of your longest toe. Repeat the process for both feet and use the longer measurement.

You can then enter the measurement into the Shoe Size Conversion calculator and view estimated US, UK, EU, JP, CN, KR, AU, and MX equivalents.

What is Mondopoint shoe sizing?

Mondopoint is a measurement-based sizing system that uses millimeters. It is designed to represent physical foot dimensions rather than relying solely on a numbered regional scale.

For example, a Mondopoint value of approximately 270 indicates a measurement around 270 mm. Because the system is measurement-focused, it can be useful for understanding actual footwear dimensions.

When using Shoe Size Conversion, Mondopoint can be converted alongside CM, MM, inches, and traditional regional sizing systems.

What is the difference between CM and Mondopoint?

CM represents centimeters, while Mondopoint is generally expressed in millimeters. A 27 cm foot length is equivalent to approximately 270 mm.

Mondopoint is a standardized measurement concept used in footwear sizing, while CM is simply a unit of length. They can therefore appear similar when measuring foot length, but they should not automatically be treated as identical for every shoe because manufacturers may specify different measurement conventions.

Are kids’ and adults’ shoe sizes converted the same way?

No. Kids’ shoe sizing follows different size ranges and relationships from adult men’s and women’s sizing. Baby footwear can also use different conventions and may be based more heavily on foot length or age ranges.

This is why the Shoe Size Conversion tool includes separate Kids and Baby categories. Choosing the correct category helps provide a more appropriate estimate.

Parents should also consider growth room when purchasing children’s shoes. However, excessively large shoes can affect comfort and stability, so the manufacturer’s guidance remains important.

Why does my converted shoe size not fit?

A conversion may be mathematically reasonable while the actual shoe still feels too tight or too loose. This happens because shoe sizing is not perfectly standardized.

Differences can result from shoe width, toe-box shape, heel construction, materials, manufacturing tolerances, and brand-specific sizing. Some footwear is intentionally designed with more room, while other styles fit closer to the foot.

If a Shoe Size Conversion result does not match your experience, measure your feet again and compare the result with the specific brand’s size chart. Reviews can also help identify whether a shoe runs large, small, narrow, or wide.

Is a shoe size conversion chart better than a calculator?

A chart and calculator serve slightly different purposes. A conversion chart is useful when you want to quickly compare common sizes, while a Shoe Size Conversion calculator is convenient when you have a specific measurement or size that is not shown in a chart.

A calculator also makes it easier to convert between multiple units such as CM, MM, inches, and Mondopoint. For international shopping, the ability to enter a precise measurement can be particularly useful.

However, neither a chart nor a calculator can replace a manufacturer’s product-specific size guide.

What should I do if my two feet are different sizes?

It is normal for one foot to be slightly longer than the other. Measure both feet and use the longer foot as your reference when selecting footwear.

If the difference is significant, consider the shoe’s width and adjust your fitting strategy accordingly. Some people may benefit from footwear with adjustable closures or additional room.

Use the longer measurement with the Shoe Size Conversion tool, then compare the result with the manufacturer’s recommendations. Comfort and proper fit should always take priority over simply matching a numerical size.

Conclusion: Find the Right International Shoe Size More Easily

Choosing the right footwear size should not require guessing or switching between multiple complicated size charts. The Shoe Size Conversion tool provides a convenient way to compare men’s, women’s, kids’, and baby shoe sizes across US, UK, EU, JP, CN, KR, AU, and MX systems while also supporting CM, MM, inches, Mondopoint, and foot measurements.

For the most reliable results, start with an accurate measurement of both feet. Use the longer foot as your primary reference, enter the measurement into the calculator, review the international equivalents, and then compare the result with the manufacturer’s official size chart.

Remember that Shoe Size Conversion provides an estimate. Shoe fit depends on much more than length, including width, shape, construction, materials, and brand-specific sizing. Combining the calculator with your actual foot measurement gives you a much stronger starting point when shopping online or internationally.

Whether you are searching for a US to EU shoe size conversion, converting centimeters to shoe size, checking Japanese sizing, comparing Korean millimeter sizes, or choosing children’s footwear, this calculator helps make the process faster and easier.

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