How Much Do G Cup Breasts Weigh?

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Bra sizing can be tricky, and even more so if you have larger breasts. It also comes with a slew of other issues such as back or shoulder pain and overall discomfort. If you have G cup breasts, figuring out how much they weigh will help you find a comfortable and suitable bra.

How Much Do G Cups Weigh?

G Cup breasts, on average, weigh about 5.74 pounds. This weight can also vary depending on your underbust and overbust measurements. G cups could also even weigh more than 5 pounds.

Graphic image with a drawing of a woman holding two round oranges against her chests, explaining how boobs from A cups to K cups weigh

There is no one-size-fits-all measurement for breasts. Band sizes and cup sizes differ based on a number of factors, including the country you are in and clothing or lingerie brands. You can refer to this table below to see references for G Cup measurements and their weights.

G Cups Weight and Size

Cup Size Underbust Overbust Weight
28G 28 inches35 inches4.3 pounds
34G 33 inches40 inches6.7 pounds
42G 42 inches49 inches7.6 pounds

Measuring Your Bra Size

The right bra size is crucial for a woman’s comfort and posture. When the bra fits well, it will provide the necessary support for breasts and prevent them from sagging. Some brands use different sizing systems, so it can be difficult to find one that fits perfectly.

  • Band Size: The first thing you need to do is measure your bust. To do this, wrap a measuring tape around your chest at its fullest point. Measure around the fullest part of the breast, which is usually over the nipple. Make sure that it is not too tight or too loose.
  • Cup Size: Once you have measured, add 5 inches to that number and round it up to the nearest even number for cup size. For example: If you measured 33” then add 5 inches which equals 38” and round up to 40” for G cup size.
A cream full-coverage bra with thick straps and a wide bra band placed on a white mannequin

Consequences of Wearing the Wrong Bra Size

Wearing the wrong bra size can be uncomfortable and harmful to your health. See what happens when you wear the wrong bra size, especially when your G cups weigh around 5.74 pounds.

  • Back and Neck Pain: The most common problem with wearing the wrong bra size is that it can cause back and neck pain. This is because the bra straps are too tight and are constantly pulling on the shoulders. The back muscles can also become strained from having to support extra weight.
  • Breathing Problems: When a woman wears a bra that is too tight, it can lead to problems with their breathing and posture. The ribcage might be compressed, making it harder to get enough oxygen into the lungs. This could then lead to a hunched-over posture.
  • Lack of Support: On the other hand, a loose bra does not offer enough support to your breasts, which could lead to discomfort. Ill-fitting bras can also cause skin irritation from rubbing against the breast or from chafing at the underarm area.

Importance of Breast Size and Weight

A woman’s breast size and weight is a source of concern for many women. The size of breasts is determined by genetics and also by the weight and size of the woman. Breast size and weight can also be a risk factor for certain medical conditions.

A back view of a cream full-coverage bra with thick straps placed on a mannequin

Large breasts may become heavy and lead to back pain, neck pain, shoulder pain, and arm numbness. Some women with large busts experience breathing difficulties or respiratory issues. They also may be at a higher risk of developing breast cancer due to the increased amount of tissue in the breast area.

Knowing how much your breasts weigh is useful when assessing your health and possible health risks. Keeping track of your breast size can help you spot issues early on, especially if your body weight fluctuates.

Related Questions

Is G Cup the Same as DDD?

The G cup is not the same as the DDD cup, although you can use it as a sister size when choosing a bra. Cup sizes can have “sister sizes” or equivalent sizes. Bra sizes are defined by the measurement across the chest and around the back.

How Do G Cups Look Like?

G cups will have a large bust projecting outwards if you have a small band, whereas a larger band may show a broader bust. This is why you need to choose the best bra for G cups so it can fully support the weight of the chest.

What Are the Best Bra Styles for G Cups?

The best bra styles for G cups are those with exceptional support, such as full coverage and sports bras. You can use minimizer bras if you want to make your breasts look smaller. Balconette bras are also ideal if you need a subtle lift.

Bra Size Measurement & Cup Size | A, B, C, D, DD Bra Sizes AND Extra Large Breasts


To know how much G cups weigh, it would depend on various factors such as a woman’s overall body weight and bust measurements. Also, a woman’s breasts can fluctuate in size throughout the month due to changes in hormone levels. While there is no definitive answer, G cups generally weigh around 5.74 pounds.


Allena is the Founder and Editor of The Better Fit, a platform dedicated to empowering women with practical advice on bras and fitness, inspired by her own revelation of the widespread issue of incorrect bra sizing. Her expertise and tips have been recognized by major publications such as Cosmopolitan, Better Homes & Gardens, Insider, and NBC, making her a trusted voice in women's wellness and lifestyle.