30C Bra Size - How To Choose The Right Size

30C Bra Size - How To Choose The Right Size

When a bra doesn't fit right, it can cause a lot of pain and trouble. The good news is that you are on the right track to finding your perfect bra size if you found this article. We'll talk more about how big a 30C bra is and why it's a rare bra size below.

What size is a 30C bra?

A 30C bra size means that the band is 30 inches long and the bust is 33 inches long. As you might have guessed, bra sizes are written with a number for the band size and an alphabet for the cup size.

The cup size is basically the difference between the band size and the bust size. So, a C cup size doesn't mean that your breasts are automatically small or big. You also have to think about the size of the band and how tall you are.

30c size bra

30c size bra

Measure your band size and bust size to make sure you buy the right size bra:

  • First, measure the size of your band.
  • Wrap a measuring tape around your torso where a bra band would go, just below your bust.
  • Make sure the tape fits your body tightly and evenly.
  • Remember to read.
  • Next, wrap the boob tape across your nipples, around the fullest part of your bust.
  • Make sure the tape isn't too tight and isn't putting pressure on your nipples.
  • Write down the number and subtract it from the size of the band to get your cup size.

30C Bra Size Details

30C Size


Band Size

           29 to 30 inches

Bust Size

           32 to 33 inches


           Around 1.72 pounds

Sister Size Up


Sister Size Down



30c size bra

30c size bra

What to Wear for 30C Bra

It's not easy to find clothes that look good on a woman with a 30C bra size. This body and breast type has a very thin frame and breasts that are about average size.

But those average-sized breasts will probably look pretty big on a petite body. Here are some good ideas for what to wear:

  • Look for the best jeans to show off your booty and make your curves look more natural.
  • You can probably wear dresses that are close to your body. For bodycon-style dresses, wear those with the right underwear and shapewear.
  • Depending on how your breasts look, you might want to buy a push-up bra. A push-up bra makes your breasts look fuller, even if you don't need the extra size it gives you.

30c size bra

30c size bra

Is a bra size of 30C rare?

This is a rare bra size. If your band size is 30, it means you are short and have a very slim body. A C cup size, on the other hand, means that your breasts stick out 3 inches from your chest. This makes the chest look bigger.

A woman in bed wearing a blue bra and leggings

So, if you wear a size 30C bra, your breasts may look bigger than average on your small frame.

So, it's not easy to find a C cup size in a smaller band size, since most brands only make the sizes that sell the most.


What other sizes of bras can I wear?

According to research, almost 80% of women wear the wrong bra size, which makes them feel bad. It's not surprising that so many of us take off our bras as soon as we get home.

So, if it's hard for you to find a 30C bra size, you might want to try one of the "sister sizes."

The term refers to bra sizes with the same amount of space in each cup. You can find out what size your sister is by going up a band size and down a cup size at the same time. People who wear a size 30C bra can wear a size 28D, 32B, or 34A. Try on each one to see which one fits you best.

As a very small band size, 28 inches might feel too tight most of the time. You might have better luck and feel more at ease with 32B or 34A. For the most comfort, you can wear bralettes or bras without linings.

30c size bra

30c size bra

Famous Celebrities With 30C

Ella Rae Peck

Ella Rae Peck is an American actress. She portrayed the roles of Charlotte "Lola" Rhodes in The CW series Gossip Girl and Mia Bowers in the NBC series Deception.

30c size bra

Christa B. Allen

Christa Brittany Allen (born November 11, 1991) is an American actress. She is known for playing the younger version of Jennifer Garner's character in both 13 Going on 30 (2004) and Ghosts of Girlfriends Past (2009). In 2006, she starred as the titular character in the CBS children's television series Cake. She played socialite Charlotte Grayson on the ABC drama television series Revenge from 2011 to 2015. Her instagram is here

30c size bra

Khloé Alexandra Kardashian

Khloé Alexandra Kardashian (/ˈkloʊi/; born June 27, 1984) is an American media personality and socialite. Since 2007, she has starred with her family in the reality television series Keeping Up with the Kardashians. Its success has led to the creation of spin-offs, including Kourtney and Khloé Take Miami (2009–2013) and Kourtney and Khloé Take The Hamptons (2014–2015).

30c size bra


Nina Dobrev

In this Bulgarian name, the patronymic is Kamenova and the family name is Dobreva.

Nikolina Kamenova Dobreva (Bulgarian: Николина Каменова Добрева, pronounced [ˈninɐ ˈdɔbrɛvɐ]; born January 9, 1989), credited professionally as Nina Dobrev (/ˈdoʊbrɛv/ DOH-brev), is a Canadian actress. She is best known for portraying Elena Gilbert and Katherine Pierce on The CW's supernatural drama series The Vampire Diaries (2009–2015).

 30c size bra

More about her daily life here.

How to Choose the Right Size Bra: A Guide to Finding the Perfect Fit

When you wear a bra that is too big or too small, it can be frustrating and painful. Bras that don't fit right can be uncomfortable, look bad, and even cause pain, like in the back. For a comfortable, supportive, and flattering fit, it is very important to choose the right size bra. But because there are so many different brands and styles on the market, it can be hard to find the right size. So, this blog comes into play. We'll help you figure out your right size, so you can say goodbye to bras that don't fit right and hello to confidence and comfort.

Understanding bra sizing

It's important to know that there is no single answer that works for everyone. Because every woman's body is different, it's important to measure yourself often to make sure you're wearing the right size. In this section, we'll explain how to figure out what size bra you need so you can find the right one that gives you the right amount of comfort and support.

Once you know your band size and cup size, you can use a bra size calculator to figure out which size is right for you. This will take your body shape into account and give you a range of sizes that should fit you well.

If you know how bras are measured, you can make sure you get the right size bra for your body. This can make a big difference in how comfortable and confident you feel, so don't be afraid to take the time to measure yourself and find your right size.

30c size bra

Getting the Size of Your Band

Wrap a measuring tape around your rib cage, just under your bust, to find out what size band you need. Make sure the tape isn't too tight or too loose and that it's on a level. If the number is an odd number, round it up to the nearest even number to figure out the size of your band.

People often think that a larger band size or a tighter band gives more support. In reality, a tight fit is what matters. If the band size is too big, the bra won't support you enough, and if it's too small, it will be uncomfortable.

Measure snugly around your chest, right under your breasts, to figure out what size band you need. To this length, add three inches. For example, if your ribcage is 31 inches, your band size is 34. If your answer is an even number, go up to the next band size. For example, if your rib cage is 32 inches around, then 32 + 3 = 35. Round 35 to a band size of 36.

Getting the Right Cup Size

Wrap a measuring tape around your bust at its fullest point to figure out your cup size. Take this number and subtract your band size from it to find your cup size.

AA cup = less than 1 inch

A cup is 1 inch.

2 inches equals a B cup, 3 inches equals a C cup, and 4 inches equals a D cup.

DD cup = 5 inches

For Example: 32C bra, 32D bra, 34A bra, 34C bra, 36DD bra, 38B bra, 38C bra, 38D bra

How to Choose the Right Bra Size

Changes in weight, pregnancy, and getting older can all make a difference in how a bra fits. It's important to measure yourself often and change your bra size as needed.

When trying on a bra, make sure the band is tight and even, the cups are smooth and free of wrinkles or gaps, and the straps are comfortable and don't dig into your skin. If the band rides up in the back or the cups don't fit together, the bra may be too big. If the straps slip or dig into your skin, the bra may be too small.

30c size bra
30c size bra


A 30C bra has a band size of 30 inches and a bust size of 33 inches. This bra size isn't very common because most women with a C cup size have a wider torso. This could make it hard to find this size. You can always choose a sister size, like 28D, 32B, or 34A, no matter what.

It's important to get the right size bra for comfort, support, and how you look. By measuring your band size and cup size, trying on bras, and regularly re-measuring, you can find the perfect fit for your unique body type. With the right size bra, you can say goodbye to bras that don't fit and hello to confidence and comfort.

Related Question

How will I know if my bra size is 30C?

Your 30C bra size is right for you if your bust is between 32 and 33 inches and the band is between 29 and 30 inches. If the difference between your bust and band measurements is three inches, you must wear C cups.

What are the best types of bras for a size 30C?

The best types of bras for a size 30C are balconette, strapless, and boob tape bras. C cups are about average, so you can choose between bras that support the bust and those that shape it.

What can I do to make my size 30C bra look bigger?

If you have a 30C bust, you can make it look bigger by wearing cups that are shaped to push your breast tissue up and in the middle. You could also try wearing padded bras to make your bust bigger.

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