How to Read the Breast Size Chart

If you’ve ever shopped for bras, you know that sizing can be frustrating and confusing. Do cup sizes have letters or numbers? Is B large or small? When reading a bra size chart, understanding the basics of bra sizing is key to finding the perfect fit.

To guide you, we’ll review how to read the typical breast size chart so you can take out all the guesswork in your next bra purchase. So if you want to learn how to measure your bust by yourself for the perfect fit—let’s get started.

What is a Breast Size Chart?

A breast size chart is a tool for taking bust measurements to determine your bra size. It’s designed to help you figure out your cup and band sizes by measuring the circumference of your chest around your rib cage and your bust size.

The chart consists of two axes, one for cup size along the vertical axis (on the left-hand side) and band size along the horizontal axis (on the right-hand side). Both axes are divided into numbers or letters, depending on the type of chart you use.

When using a breast size chart, it’s important to note that cup sizes do not represent an absolute measurement measure bra size; rather, they indicate how much bigger one cup is than another. For example, if a 34B is bigger than a 32B, the difference between them is two cup sizes.

Knowing your exact size in inches or centimeters isn’t necessary when using a breast size chart. All you need to do is measure your band and bust sizes and find where they intersect on the chart. This will tell you your correct bra size, making shopping for the right bra much easier.

How to Measure Your Bra Size?

Figuring out the wrong side of your bra size doesn’t have to be intimidating. To get the perfect fit, all you need is a measuring tape and these simple instructions:

First, wrap the measuring tape around your rib cage below your bust. Make sure it’s level and snug but not too tight. Write down this number in inches— let’s call it your band measurement.

Next, wrap the measuring or tape measure around the fullest portion of your bust to get your cup size. Again, make sure it’s level and snug but not too tight. Write down this number in inches— let’s call it your bust measurement.

You must subtract your band measurement from your bust measurement to acquire your cup size. So, if your band measurement is 30 inches and your bust measurement is 33 inches, the difference in C cup is 3 inches. In this case, you’re 30C.

With these two measurements, you can refer to the bra size chart to find the perfect fit. The bra sizes chart is organized by band size and cup size, so you can easily find your size. Just remember that the numbers don’t mean anything— a 34D isn’t necessarily bigger than a 38C, for example.

Tips for Choosing the Right Fit

Once you’ve determined your size on the breast size chart, there are a few things to consider when choosing the best fit. To help you get started, consider the following advice: 

1) Make sure the cup size fits properly.

It is critical for comfort and support that your cup size fits appropriately. The cup should tightly envelop your breasts and lay flat on your torso.

If there are any bulges or gaps, it means the cup size is too small, which is bad news for your lady lumps. Don’t settle for a poor fit; take the time to choose the bra styles and proper cup size and show your girls the love and support they deserve.

2) Consider the band size of your bra as well.

When shopping for new underwear, don’t forget to consider your bra band size. It is critical to have a snug band that fits comfortably without biting into your skin.

Furthermore, you shouldn’t be able to fit more than two fingers underneath the band; otherwise, it will be too loose. Finding the right band size will support you for your busy day.

3) Pay attention to the straps.

The bra straps are just as crucial as the band and cup sizes. It will influence your overall fit and comfort, whether they are too tight or too loose.

The straps should be snug enough to stay on your shoulders without slipping off. Adjusting the straps is one of the simplest ways to improve your lingerie’s fit and comfort.


Reading a breast size chart can be intimidating, but with these helpful tips and tricks, you should now have the confidence to find your perfect fit. Knowing how to read a bra size chart is important for any woman who wants to feel comfortable in her lingerie choices.

With this knowledge, you’ll always know what size fits best when your bra is shopping online or at stores. Keep these tips in mind next time you go out looking for bras to ensure they are the right fit for your body type.

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HBC Editors
HBC Editors
HBC editors are a group of healthcare business professionals from diversified backgrounds. At HBC, we present the latest business news, tips, trending topics, interviews in healthcare business field, HBC editors are expanding day by day to cover most of the topics in the middle east and Africa, and other international regions.

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