How Are Bra Sizes Measured?

Last Updated on March 21, 2022 by Sarah Keene

Bra sizes are based on your band size (the number) and your cup size (the letter). These measurements are usually determined by using a tape measure around your rib cage and bust. The number/letter is your bra size. Finding the right bra size is crucial for the right support and for a smooth comfortable fit.

Additionally, how do you calculate bra size? Measure loosely around the fullest part of your bust. Subtract the band size from this measurement. Use this number to determine your cup size according to the table below. Example: if your ribcage measurement is 31, and your bust measurement is 37, your bra size is a 34C: 31+3=34, so 34 is your band size.

Beside the above, what does 32 bra size mean? Lingerie Lingo The numbers – like 32, 34, 36, 38 – tell you the band size – that’s the part of the bra that goes around your torso. In other words, a 34A means that your boobs are an A cup and that your bra is 34 inches around. The best way to figure out what cup and size is right for you is to go and try some on.

Furthermore, which is bigger cup size B or C? If your bust size is less than 1 inch bigger than your band size, you’re a cup size AA. 1-inch difference = A. 2-inch difference = B. 3-inch difference = C.

Also know, is DDD the same as F? It might seem confusing, but yes a DDD is the same as an F—at times they are labeled differently based on the brand. After size D you can either go up to size DD which is the bra size equivalent to size E, size DDD which is equivalent to size F, and size DDDD which is equivalent to size G.Bra band size When bra sizes were first conceived in the 1930s, the materials used for bras were a lot stiffer and less flexible – women were only just out of corsets – so manufacturers used to recommend adding 4 inches to your actual size to get the correct band size.

Table of Contents

Is 32DD a small or medium?

Medium: 32C, 34B, 36A, 36B, 36C. Large: 32D, 34D, 36D, 38A, 38B, 38C. X Large: 32DD, 32DDD, 34DD, 34DDD, 36DD, 38D, 38DD, 40A, 40B, 40C.

Is BB bigger than B?

B is smaller than bb, around half the weight. 1 of 1 found this helpful.

What is the average bra size?

The average bra size in the United States is 34DD. This figure can vary by country.

What is the smallest bra size?

Generally, the A cup is considered the smallest available but for some this is still too big and compensating with a smaller band size won’t help. If you want something that’s going to fit your form you’ll have to go down a level to an AA or even AAA cup.

Is 30C a small bra size?

For example, a 30C is actually quite small as its sister sizes would fit a popular size of a 32B cup and a 34A cup.

What is Triple D bra size?

AA(Double A) is the smallest cup size, then it goes up to A, B, C, and then D. After D you can either go up to DD(Double D) or its equivalent E, DDD(Triple D) is the next cup size which turns to be the equivalent of F. Once you hit F/DDD you continue to go up letters like what was done before.

What is 36F equivalent to?

What Are Sister Sizes? Sister sizes are groups of bra-size equivalents that are related by cup volume. For example, a 36F (DDD) cup belongs to the same family as a 38E, a 40D, and a 42C.

What is the biggest bra size?

Annie Hawkins-Turner has the largest natural breasts in the world. Her bra size is 102 ZZZ.

Does the cup size change with band size?

Proper cup fit is influenced by band size. As the band size changes, so does the cup size. For every band size you go down, you should go up one cup. If you are in a 34D with a good cup fit, but want to go down to a 32 band, you would go to a 32DD for a tighter band with the same cup fit.

Do you add 5 inches to your band size?

Many major department stores and American retailers take the ribcage measurement and add four inches (or five if it’s an odd-number) to obtain the band size.

What is a bralette size?

Bralettes are offered in either XXS-XXL sizing. A few styles may also be offered in S-DD (32DD or 34DD), M-DD (36DD), or L-DD (38DD). Please reference our chart below to match your bra size to your bralette size.

Can a 36A wear a 34B?

Another example, a 34B and 36A are the same cup size. The only difference is the band size. The 36 is a bigger band size than the 34. Here’s an example of some other sister sizes.

Why do my breasts come out of the bottom of my bra?

If you see the bottom part of your bra being lifted away from your breast or skin, this means the cup size is too small. You want a little bit of space between the underwire and your breast tissue to ensure that the cup is completely encasing your breast, so it’s not falling out of the bottom.