Clothing sizes – how to choose the right size?

Author: Jacek Minoga

Close-up of a woman holding oversized trousers at her waist, showcasing significant weight loss.
Last updated: 21 February 2025

Discover the true sizes of clothes, check the size charts.

Why is it important to know the sizes?

Knowing your clothing sizes is something that can easily be overlooked, but it is essential to avoid unnecessary problems. First and foremost, well-fitting clothing guarantees comfort and a neat appearance. Whether we are buying for ourselves or having something tailor-made, the right size saves us from unpleasant surprises. After all, no one wants to feel uncomfortable in clothes that are too tight or too loose.

What are the differences in sizing systems around the world?

Different sizing systems can be confusing, especially when shopping abroad or online. You may be unpleasantly surprised, as sizes such as EU, US, UK and Chinese vary considerably. It is good to know how to navigate this to avoid the stress of returns.

Here is an overview of the main differences between popular sizing systems.

Type of clothingEUUSAUK
Women's (S)36-384-68-10
Men's (M)48-5038-4038-40
Children's (116 cm)6-76-76-7

Are the size charts reliable?

Size charts are a useful tool when we want to buy something, but we must remember that they do not always take into account the nuances of our body shape. They are a good guide, but it is also worth measuring yourself with a tape measure.

We recommend taking a look at various clothing sizes online whether clothing size calculators, because they can be very helpful in finding the best size. If you still have doubts, it is a good idea to try the garment on or talk to the manufacturer.

Sizing systems – EU, USA, UK and China

The most commonly used systems in Europe and America

In countries such as Europe and America, we have different sizing systems, which can cause problems when shopping. In Europe, we typically use the EU system, based on centimetres, which measures things such as chest, waist and hip circumference. In the US and the UK, sizes are assigned to specific body measurements and marked numerically. Not all sizes are equal, which can affect your final choice of clothing.

Size systemMen (EU)Men (USA)Men (UK)
S463636
M483838
L504040
XL524242

For women, the situation is similar, but it is worth noting that sizes may vary depending on the brand. It is worth taking a look at our articles on women's clothing sizes i men's clothing sizes.

What are the differences in sizes between the EU, the USA and the UK?

Well, the differences in EU, US and UK sizes can be quite significant. For example, a European size 38 fits an American size 8 or a British size 10. Minor misunderstandings in this area often result in hopeless clothing choices.

Size (EU)Size (US)Size (UK)
3668
38810
401012
421214

Chinese sizing – why does it often differ from European standards?

Chinese sizes sometimes differ significantly from European sizes, which is due to different body proportions. In China, sizes are generally smaller, which can lead to unpleasant surprises when shopping. Therefore, before adding something to your basket, it is better to check the size chart carefully, especially when it comes to clothes from China.

How to measure your body correctly to choose the right size?

Well-chosen clothes start with accurate body measurements. Let's talk about how to measure your dimensions correctly and what mistakes you may encounter along the way.

Measurements: chest, waist, hips, sleeve length and leg length

Here are some tips on how to take basic measurements:

MeasuringHow to measure
ChestCircumference at the widest point of the chest, measured horizontally.
TaliaThe narrowest part of the waist.
HipsWidest hip circumference, measured horizontally.
Sleeve lengthFrom the top of the arm to the wrist, along the outside of the hand.
Leg lengthFrom the step to the ankle, along the inside of the leg.

Accurate measurements are key to effectively using the clothing size chart.

What are the most common mistakes made when measuring?

It is easy to make mistakes when measuring. Here are some common errors:

  1. Loose or tight tape – Hold the tape measure loosely, but not too loosely, so that it does not affect the measurements.
  2. Incorrect positioning of the tape – An incorrect measurement location may distort the width and length.
  3. Inappropriate clothing during measurement – Measure yourself in well-fitting clothing or, preferably, without any clothing for greater accuracy.
  4. Unique measurements – Take several measurements to be sure of the results.

Avoiding these mistakes will be easier if you use a clothing size calculator. Correct measurements will help you choose the best size and prevent fashion mishaps.

Size charts – women's, men's, children's and baby clothing

We all know that well-fitting clothing is the basis for comfort and great looks. We have compiled size charts for women, men, children and toddlers to help you find the perfect size.

Women's size chart (EU, US, UK)

EUUSAUKChest circumference (cm)Waist circumference (cm)Hip circumference (cm)
344680-8462-6686-90
366884-8866-7090-94
3881088-9270-7494-98
40101292-9674-7898-102
42121496-10078-82102-106

Men's size chart (EU, US, UK)

EUUSAUKChest circumference (cm)Waist circumference (cm)
44343486-9074-78
46363690-9478-82
48383894-9882-86
50404098-10286-90
524242102-10690-94

Children's size chart (EU, US, UK)

EUAge (years)Height (cm)Chest circumference (cm)Waist circumference (cm)
741-274-8050-5248-50
802-380-8652-5450-52
863-486-9254-5652-54
924-592-9856-5854-56
985-698-10458-6056-58

Baby size chart

EUAge (months)Height (cm)Chest circumference (cm)
560-150-5634-36
621-356-6236-38
683-662-6838-40
746-968-7440-42
809-1274-8042-44

Shoe size chart (women's, men's, children's)

Women's shoe sizes

EUUSFoot length (cm)
365.523.1
376.523.8
387.524.5
398.525.2
409.526.0

Men's shoe sizes

EUUSFoot length (cm)
40725.3
41826.0
42926.7
431027.3
441128.0

Children's shoe sizes

EUAge (years)Foot length (cm)
257-816.5
279-1017.4
2911-1218.4
3113-1419.4
3315-1620.4

Understanding clothing size charts is basically a must for fashion and tailoring enthusiasts, or even those thinking about producing clothing. Choosing the right size means fewer returns and alterations. And if you are seriously looking for the perfect fit, check out our clothing size calculator.

Size converter between systems

When trying to choose the right size of clothing, differences in sizing systems can be a real nightmare. We'll dive into the topic and see how to convert sizes between the EU, US and UK systems. We'll also find out why sizes from China sometimes don't add up, and we'll throw in a few examples of well-known brands and their size charts.

How to convert sizes between EU, US and UK?

If you want to convert different sizes painlessly, it is a good idea to have a comparison table handy. Below you will find sample sizes for women and men in the EU, US and UK systems:

Type of clothingEUUSAUK
Women (dress size)3426
Women (dress size)3648
Women (dress size)38610
Men (shirt size)381514.5
Men (shirt size)401615.5

It should be borne in mind that such conversion tables are the realm of exceptions, so it is always better to refer to the latest size charts provided by the manufacturer.

Why do Chinese sizes often not fit?

Chinese sizes have a life of their own — they are usually smaller than what we are used to in Europe or America. Surrounding them with your own body measurements can cause a headache. Therefore, when ordering clothes from China, it is better to measure them in centimetres and compare them with your own measurements than to risk unpleasant surprises.

Examples of popular brands and their sizes

Every brand likes to follow its own path, and therefore has its own size charts. Here are a few examples:

BrandType of clothingEUUSAUK
ZaraWomen38610
H&MMen401615.5
NikeFootwear (men's)4298

Before making a purchase, it is wise to take a look at the size charts for the brand in question and the recommended measurements. These can be found on the manufacturer's website, so you don't end up missing the mark.

What you should know about Tall and Oversize sizes

Let us delve into the topic of Tall and Oversize sizes and discover how to find perfectly fitting clothes for different body types.

What are the Tall sizes?

Tall sizes are designed for people who are taller than average. These clothes have longer sleeves, legs and generally longer proportions around the waist and hips. They are ideal for those who look down on the world. Take a look at the sample measurements for Tall sizes, because sometimes the numbers speak for themselves!

Height (cm)Size (Tall)Sleeve length (cm)Leg length (cm)
180-185L6483
185-190XL6685
190-195XXL6887

What do oversized clothes conceal?

Oversized clothing is the realm of comfort. They have cuts that give you freedom, often ending up on city streets as part of streetwear fashion. They make us feel comfortable, but still stylish. They draw attention with their spaciousness around the shoulders, hips and waist. That's why they're perfect for those who prefer clothes that they can just „let go”. Take a look at the sample dimensions for oversized sizes.

Size (Oversize)Chest (cm)Waist (cm)Hips (cm)
S100-10490-9496-100
M104-10894-98100-104
L108-11298-102104-108

How to choose Tall and Oversize sizes?

When hunting for Tall or Oversize sizes, it is better to pay attention to your actual body measurements rather than just the labels in shops. Here are a few tips to help you:

  1. Measuring: Grab a tape measure and measure your chest, waist, and hips. Accuracy is key, just like when baking a cake.
  2. Compare with the tableYour measurements versus Tall and Oversize sizes – which will prevail? Verify that the dimensions are compatible.
  3. Try it on, try it on, try it onNothing works better than your own feelings. Make sure you feel comfortable.

How should clothing manufacturers plan the sizing of their garments?

Mastering the art of clothing sizes is like gaining the key to customers' hearts. Meeting their tastes and needs is a step towards success and buyer satisfaction.

What size standards should be used?

There is no one size fits all, so it is worth listening to customer feedback and looking at the market. The EU, US and UK systems are the ones most often mentioned by manufacturers. For us in Poland, creating unique size charts that fit local realities is a bull's eye. Measurements in centimetres are like a shovel in the sand when building castles – always ready for action, especially in the world of online shopping.

Type of clothingBust circumference (cm)Waist circumference (cm)Hip circumference (cm)
S (EU)84-8866-7090-94
M (EU)88-9270-7494-98
L (EU)92-9674-7898-102

Is it worth adapting to international markets?

Our saying „different countries, different customs” may apply here. Year after year, globalisation is becoming more than just a term from books. If we want to conquer the world and add a few countries to our shipping list, we need to look at size charts through the prism of different markets. A customer who trusts the size is like a treasure – they are reluctant to return, and returns by the wagonload are a last resort for us.

What markings are most commonly used on labels?

Clothing labels say more than a thousand words, at least for those who want to know what they are getting. Clear and understandable markings are our trump card. Standard symbols, such as EU for Europe, US for America and UK for British style, help customers immediately find the right place on the shopping map.

  • EU (European)
  • US (American)
  • UK (British)

With this information, customers can instantly assess whether what they are holding in their hands will end up in their wardrobe.

What problems does poorly chosen sizing cause and how can they be avoided?

If something fits poorly, shopping ceases to be enjoyable. An increased wave of returns is like a cold shower for sales. That's why it's worth looking at market trends, testing prototypes and encouraging people to give their opinions, which are like gold dust for fashion designers. Working with experts in tailoring and body measurements is like having top-level team support.

The role of labels in informing customers about sizes

Labels are lesser-known but very important elements. Remember to clearly and distinctly describe the size of your clothing on them so that customers have no doubts. Transparency and simplicity in conveying information are the key to loyalty and permanent returns of customers to our group of successful shoppers.

Let us not be afraid to reach for helpful tools, such as clothing size calculator. Creating your own standards, firmly rooted in actual measurements, is like a promise that both sides will benefit.

The most common mistakes when choosing a size

Choosing the right size of clothing is often quite a challenge. Many people unknowingly make mistakes, resulting in an ill-fitting garment. We have compiled a list of the most common mistakes and practical tips to help you choose well-fitting clothes without unnecessary stress.

Is the size chart the only solution?

Relying solely on clothing size charts can be misleading. Charts vary between manufacturers and sizing systems, which means that our measurements play a key role here. The cut, style and materials also play a part and affect how the garment fits us.

Which garments most often cause sizing issues?

Some garments can be more challenging when it comes to selecting the right size. In particular:

Type of clothingFitting problems
Jeansdifferences in waist and hips
Shirtschanges in shoulder width and sleeve length
Dressesdifferent cuts can affect the waist and hips
Footwearsignificant differences in foot length between brands

When shopping, it is worth paying attention to reviews about fit and checking whether the selected model has gained a reputation for being difficult to fit.

How can you check whether the size is right without trying it on?

If shopping in fitting rooms isn't your thing, there are a few ways to check whether the size will fit:

  1. Measuring yourself: It is worth measuring your chest, waist and hips. Then compare these measurements with the women's size chart or men's size chart.
  2. Size calculatorClothing size calculators that convert our measurements into different size systems can be helpful.
  3. Customer reviewsReviews from other shoppers are often invaluable — we find out whether the clothes are the right size.
  4. Manufacturer's table: Always refer to the manufacturer's official size charts, as they often differ from standard sizes.

Following this advice will increase the chances that the chosen garment will fit perfectly, without the need to fasten it during the fitting.

Modern solutions for size adjustment

Nowadays, with technology advancing faster than Instagram photos, choosing the right size of clothing has taken on a whole new dimension. In this section, we will discuss clever ideas that make shopping more enjoyable and less stressful for customers.

AI algorithms in e-commerce (e.g. Zalando, Asos – how do matching systems work?)

Trendy and clever online retailers such as Zalando and Asos are saving us from fashion faux pas thanks to artificial intelligence (AI). These remarkable systems read our shopping minds, taking into account our previous choices, lifestyle and even hip circumference to suggest clothes that will fit like a glove. Thanks to AI, the risk of something not fitting you drops faster than your blood sugar after a large portion of ice cream.

Mobile applications for scanning body shapes and selecting sizes

Mobile applications that act as your personal „tailor's tape measure” are becoming increasingly popular. The user takes a few photos, and the application does all the work – it measures, adjusts and suggests what will really suit you. It's like having your own stylist who always has their phone at the ready!

Trends in digital clothing fitting

Recently, we have been seeing an increasing number of digital fitting options. H&M and Amazon run virtual fitting rooms where you can „try on” clothes without leaving your home, and best of all, without queuing. Customers can see how the clothes fit before deciding to buy them. It's magical!

These technological innovations, AI algorithms and ingenious applications are like friends who will not let you make a mistake when choosing a size. Combined with well-described tables such as clothing size charts, these solutions significantly improve our shopping experience, saving us time and frustration associated with ill-fitting purchases.

FAQ – frequently asked questions

How have size standards changed over the years?

Fashion trends and our changing body shapes have influenced how we now view clothing sizes. People differ not only in taste but also in body type, which is why fashion is gradually adapting. Who would have thought that we now have clothes in sizes ranging from petite to plus size? Manufacturers are keeping up with this trend and are increasingly willing to introduce a wide range of sizes, because everyone deserves clothes that are well tailored to their measurements.

Do clothing manufacturers change their sizing depending on the country?

Indeed, clothes sold in different countries are often a different story, especially when we consider the differences between EU, US and UK sizes. These differences can be dizzying. That is why it is worth taking a look at the size chart for a particular brand before making a purchase.

What should I do if my size is between sizes?

Sometimes we are on the border between one size and another, which can be frustrating. You can choose a larger size for greater freedom of movement, or a smaller size if you prefer more fitted clothes.

How to avoid returns due to incorrect sizing?

Returns are a nightmare for shopaholics and sellers alike, but they can be avoided! Start by measuring your body shape accurately and comparing the results with the manufacturer's size chart – you can always find it on their website. Read other people's reviews carefully, as they sometimes contain tips on whether a particular size corresponds to reality. And finally? Check the returns policy to make sure you know what to do if something doesn't work out.

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