How Big Is a 38A Bra?

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Even though they are necessary for most women, shopping for a bra is time-consuming. This is complicated further by the fact that women must consider the cup size, the fit of the bra, the circumference, and the amount of lift the bra provides to their breasts. This article has explained how large a 38A bra is as well as a lot more information about this bra.

How Big Is a 38A Bra?

If you wear an A-cup bra, your bust size is one inch larger than your torso size. A 38A bra size corresponds to a bust measurement of 37-38 inches and an overbust measurement of 39 inches. 30E, 32D, 36B, and 34C are your sister sizes.

Graphic image of a woman wearing a green tank top and black shorts while the word text around her states that a 38A bra size has a bust size range of 38-39 inches and a band size of 37-38 inches

The 38A cup size is one of the smallest available. There are also smaller 38AA and 38AAA sizes available. There are many first bras available in this size although finding well-fitting push-up bras for mature women can be challenging.

With A cups, your bra provides minimal support, and you may be able to get away with wearing bralettes, camisoles, or going braless. Choose a well-padded push-up bra if you want to show off your cleavage.

A black push-up bra with underwire and adjustable straps placed on a pink background

What 38A Breasts Look Like

The shape of your body, the clothes you wear, and the type of bra you prefer influence your breasts’ appearance. A variety of factors influence how breasts appear, including:

  • Genetics – your DNA is mainly responsible for your breast size and shape. Genes influence your hormone levels and, as a result, your breast development.
  • Weight – obtaining or weight loss can change the shape and size of your breasts by raising or lowering the fatty tissues.
  • Age – as you age, your breast’s collagenous connective tissues and other supportive organs that attach to everything weaken. As a result, your breasts will eventually sag and droop.

If you have a larger frame with with really small breasts, like a 38A, I recommend having an awesome push up bra. Here’s one with serious lift – the FallSweet Add Two Cups Bras Brassiere. You’ll get some serious cleavage for a night out on the town (no joke).

How Can You Avoid Chafing?

Bra chafing occurs when your bra squeezes against your body in an unpleasant and uncomfortable manner. Chafing can be prevented by wearing a bra that is properly fitted. Examine the band, underarm gaps, and straps for chafing.

Friction causes chafing, which can be triggered by a range of factors such as poor fit, an old bra, profuse sweating, skin conditions, or getting exercise in hot areas.

Here are a few other chafing remedies:

  • Examine for a perfect bra fit.
  • Eliminate an old bra.
  • Utilize an anti-chafing moisturizer before putting on your bra.
  • Select the bra with the soft-to-the-touch band.
A white push-up bra with adjustable straps placed on a blue background

Related Questions

Is a 38A Equivalent to a 36B?

It’s a common misconception that the larger the cup size, regardless of band size, the larger the bra. This, however, is not the case. The cup volume of a 38A is the same as that of a 36B, implying a protrusion of 2 inches. They are referred to as sister sizes.

How Can You Tell Your Bra Size if You Don’t Measure It?

It is simple to determine your bra size without a tape measure. Instead of a measuring tape, use some string or a cord. Wrap the string around your bust twice, first under and then on the bust line. Using a pen, make a note of the exact length.

What Is the Difference Between Bra Cup Sizes A and AA?

An AA cup is typically an inch smaller than an A cup. It depends on the brand. The AA cup size is the smallest cup size available.

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


It is vital to recognize that bras do not come in one size fits all and that different styles suit different people. Furthermore, various factors can cause your breasts to change, and you may wear the wrong bra size. It’s best to get your measurements before going bra shopping.


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.