Why Our Bra Size Calculator is the Best

Bra Size Calculator

Find Your Perfect Bra Size Calculator



For U.S,UK. Sizes

This calculator adjusts to U.S,UK. sizing standards.




Cup Size Chart

Difference in (cm) UK US EU FR AU
<1 AA AA AA AA AA
1 (2.5) A A A A A
2 (5.1) B B B B B
3 (7.6) C C C C C
4 (10.2) D D D D D
5 (12.7) DD DD/E E E DD
6 (15.2) E DDD/F F F E
7 (17.8) F DDDD/G G G F
8 (20.3) FF H H H G
9 (22.9) G I I I H
10 (25.4) GG J J J I
11 (27.9) H K K K J
12 (30.5) HH L L L K
13 (33.0) J M M M L
14 (35.6) JJ N N N M
15 (38.1) K O O O N
16 (40.6) KK P P P O
17 (43.2) L Q Q Q P
18 (45.7) M R R R LL

 

How to Use Our Bra Size Calculator

Our bra size calculator simplifies the process of finding your perfect fit. Follow these simple steps to determine your size:

Step 1: Measure Your Underbust

To measure your underbust, take a soft measuring tape and wrap it snugly around your ribcage, right under your bust. Make sure the tape is level and fits comfortably, not too tight or loose. The measurement should be in inches.

Step 2: Measure Your Bust

Next, measure around the fullest part of your bust. Keep the measuring tape comfortably snug but not tight. Again, the measurement should be in inches.

Step 3: Enter Your Measurements into the Bra Size Calculator

After obtaining your underbust and bust measurements, input them into our bra size calculator. The calculator will automatically provide your band size and cup size, helping you determine your accurate bra size.

Step 4: Interpret Your Results

Once you've entered your measurements, the calculator will display a recommended bra size, which includes both the band size and the cup size. For example, if your underbust measures 32 inches and your bust measures 36 inches, your bra size would be 32C.


Get the Right Fit with Our Bra Size Calculator

Knowing your bra size is more than just a number—it’s essential for comfort, support, and overall well-being. With the help of our bra size calculator, you can easily find your accurate size and shop for bras that fit perfectly.

If you’re tired of guessing your bra size or dealing with ill-fitting bras, our bra size calculator is the perfect solution to guide you in finding the right fit.

Understanding the Importance of Finding Your Correct Bra Size

Getting the right bra size is crucial for comfort, confidence, and overall health. A poorly fitted bra can cause discomfort, pain, and even long-term posture issues. Fortunately, with our Bra size calculator, you can easily determine your accurate size and find bras that support you in all the right ways.

In this article, we’ll guide you through using our Bra size calculator, explaining how to take measurements, how the calculator works, and why it’s essential to know your true size. Whether you're shopping for bras online or in-store, knowing your correct size will ensure that you always get the best fit.


What Is a Bra Size and Why Does It Matter?

Before jumping into the details of using a bra size calculator, let's break down what a bra size is and why it’s so important.

The Components of a Bra Size

A typical bra size consists of two components:

  1. Band Size: This is the number part of your bra size, such as 32, 34, 36, etc. It corresponds to the measurement around your ribcage just under your bust.
  2. Cup Size: This is the letter part of your bra size, such as A, B, C, D, etc. It refers to the difference between the measurement around your bust and underbust.

Having the correct band and cup size ensures that the bra provides the proper support and fits comfortably without digging into your skin or causing unwanted bulges.


Why Regular Bra Size Checks Are Important

Bra sizes can change over time due to factors such as weight loss or gain, pregnancy, or age. It's essential to check your bra size regularly to ensure you’re always wearing the most comfortable and supportive bra.

Signs Your Bra Might Be the Wrong Size

  • Straps Digging In: If your straps are leaving indentations or constantly sliding off, your bra size may be too small or too large.
  • The Band Rides Up: If the band of your bra is riding up your back, it means it’s too loose. The band should sit flat against your skin.
  • Cup Overflow: If your breasts spill over the top or sides of the cups, your cup size is likely too small.

How Our Bra Size Calculator Helps You Find the Right Fit

Our bra size calculator takes the guesswork out of finding your perfect fit. Here's why you should use it:

  • Quick & Easy: Get accurate measurements in seconds.
  • Custom Fit: Tailored to provide personalized results based on your unique measurements.
  • No Need for a Fitting Room: Use the calculator from the comfort of your home.

Additional Tips for Choosing the Best Bra

Once you’ve found your correct bra size, there are a few more things to keep in mind when shopping for bras:

1. Try Different Styles

Different bra styles offer varying amounts of support and comfort. Some common styles include:

  • T-shirt bras: Seamless and invisible under clothes.
  • Sports bras: Supportive bras designed for physical activity.
  • Push-up bras: Add lift and cleavage.

2. Consider Fabric and Materials

The fabric of your bra plays a big role in comfort. Look for breathable materials like cotton or moisture-wicking fabrics for daily wear. For special occasions, lace or satin bras can add a touch of luxury.

3. Don’t Be Afraid to Get Professionally Fitted

While the bra size calculator is a great starting point, visiting a professional bra fitter can help ensure that you have the perfect fit. Fitting rooms in stores are often staffed with trained professionals who can offer advice on how a bra should fit and help you choose the best one for your body.


FAQs About Bra Size

What is the most common bra size?

The most common bra size in the U.S. is 34B. However, sizes vary worldwide, and there is no one-size-fits-all.

Can my bra size change over time?

Yes, your bra size can change due to various factors such as weight fluctuations, pregnancy, or aging. It’s essential to check your measurements periodically.

How do I know if my bra is too tight?

If your bra feels uncomfortable, digs into your skin, or causes red marks, it may be too tight. The band should fit snugly around your ribs without pinching, and the straps should support your breasts without digging in.

what you need to know before buying bra