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Breast Size Chart Explained: How to Measure, Calculate, & Find Your Ideal Fit

Breast Size Chart Explained

Mastering the Breast Size Chart: A Step-by-Step Guide to Measuring, Calculating, & Finding Your Ideal Fit


Breast size is a topic that holds significant importance for many individuals. It not only affects physical appearance but also plays a role in self-confidence and overall well-being. Understanding breast size, including how to measure and calculate it, is crucial for selecting the right clothing, bras, and embracing body diversity. In this comprehensive guide, we will delve into the world of breast size, providing a detailed breast size chart for reference, explaining how to measure and calculate breast size accurately, and addressing common questions related to this topic. Additionally, we will emphasize the importance of body positivity and self-acceptance in relation to breast size.

What is Breast Size?

Breast size refers to the physical measurement and classification of an individual's breasts. It is typically determined by two primary factors: the underbust measurement (the circumference just beneath the breasts) and the bust measurement (the circumference at the fullest part of the breasts). These measurements are utilized to determine cup sizes in bras, which indicate the volume or projection of the breasts.

Understanding the Breast Size Chart

A breast size chart serves as a comprehensive reference for various cup sizes based on underbust and bust measurements. It provides a standardized system for classifying breast sizes and assists in selecting well-fitting bras. Let's explore an expanded version of the breast size chart:

Size Underbust Measurement (inches) Bust Measurement (inches)
AA 26-28 29-30
A 28-30 31-32
B 30-32 33-34
C 32-34 35-36
D 34-36 37-38
DD/E 36-38 39-40
DDD/F 38-40 41-42
G 40-42 43-44
GG 42-44 45-46
H 44-46 47-48

Measuring and Calculating Breast Size

Accurately measuring and calculating breast size is essential for finding well-fitting bras and clothing. Here's a detailed step-by-step guide:

Breast Size MeasurementBreast Size Measurement

1. Under bust Measurement

To measure your underbust:

  1. Stand straight and ensure your chest is relaxed.
  2. Wrap a measuring tape snugly around your chest, just beneath the breasts.
  3. Make sure the measuring tape is parallel to the ground and not too tight.
  4. Note down the measurement in inches.

2. Bust Measurement

To measure your bust:

  1. With the measuring tape still parallel to the ground, measure around the fullest part of your breasts.
  2. Ensure the tape is neither too tight nor too loose.
  3. Note down the measurement in inches.

3. Calculating Cup Size

To calculate your cup size:

  1. Subtract the underbust measurement from the bust measurement.
  2. The difference between these two measurements will determine your cup size.
  3. Consult the breast size chart to find the corresponding cup size for the calculated difference.

Answering Common Questions

1. What are normal breast sizes?

Breast sizes vary significantly among individuals, and there is no universally defined "normal" breast size. The concept of normalcy encompasses a broad spectrum of body shapes and sizes. It is important to embrace and appreciate the unique characteristics of one's own body.

2. How do I know my cup size?

To determine your cup size, you need to measure your underbust and bust measurements accurately. By calculating the difference between these measurements and consulting the breast size chart, you can identify your cup size.

3. What bra size is considered large breast?

The perception of a "large" breast size can vary among individuals. However, in terms of bra sizing, cup sizes such as DD, DDD/F, G, GG, and beyond are often considered larger sizes. It is crucial to note that breast size is relative to an individual's body frame and varies widely.

4. What is ABCD in bra size?

The letters A, B, C, and D represent different cup sizes in bra measurements. A is smaller, B is slightly larger, C is larger than B, and D is larger than C. Beyond D, additional letters are used, such as DD, DDD/F, and so on, indicating further increases in cup size.

5. How much does weight affect breast size?

Weight can influence breast size to a certain extent. Significant weight loss or gain may cause changes in breast size due to fluctuations in body fat distribution. However, it is important to note that breast size is also influenced by genetics and hormonal factors.

6. What is C cup breast size?

A C cup breast size typically falls within the range of 32-34 inches underbust measurement and 35-36 inches bust measurement. However, cup size alone does not provide a complete understanding of breast size, as band size (underbust measurement) also plays a crucial role.

7. How do I know my cup size without measuring?

While measuring is the most accurate method, you can approximate your cup size by visually comparing your breasts to reference images of different cup sizes. However, this method may not be as precise as measuring and may vary depending on individual body shape and breast density.

8. How do you know if your cup size is too small?

Signs that your cup size may be too small include breasts bulging over the cup edges, discomfort or pain caused by tightness, and underwires digging into breast tissue. If you experience any of these issues, it is recommended to try a larger cup size for a more comfortable fit.

9. Which bra size is bigger, D or DD?

DD is larger than D. The progression of cup sizes goes from A, B, C, D, DD, DDD/F, and so on. Each letter represents an increase in cup volume.

10. What is the difference between DD and E cups?

The difference between DD and E cups can vary depending on the sizing system used by the brand. In some sizing systems, DD and E are considered equivalent, while in others, E may represent a slightly larger cup size than DD. It is important to consult the specific brand's sizing guide for accurate measurements.

11. Is C cup a good size?

Breast size, including a C cup, is subjective, and what is considered a "good" size varies among individuals. It is essential to prioritize personal comfort, confidence, and self-acceptance when it comes to breast size. Every body is unique and beautiful in its own way.

Shop For Bras at HauteFlair

If you're looking for beautiful and well-fitting 36C cup size bras, be sure to check out the exquisite collection at Haute Flair's Bras. HauteFlair offer's a wide range of styles and designs to suit your personal taste and provide the support you need.


Understanding breast size, measuring techniques, and cup sizes is valuable knowledge for personal comfort, style choices, and body positivity. By utilizing a breast size chart, knowing how to measure accurately, and answering common questions, individuals can gain a better understanding of breast size and appreciate the diverse range of body shapes and sizes. It is important to emphasize the significance of embracing body positivity, self-acceptance, and celebrating the uniqueness of every individual's breasts. Remember, what truly matters is feeling comfortable, confident, and appreciating one's own body, irrespective of breast size.

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