Bra Sizes Explained - Katherine Hamilton (2024)

Katherine Hamilton is a British full bust luxury lingerie brand specialising in small band large cup bras, 26-38, D-HH.

Each unique design combines the finest fabrics and finishes – from sumptuous silk to French lace – with superior support and comfort.

Behind the beauty of each collection comes years of technical research and pioneering development, which has helped to create our trademark shape of forward projection and lift with a rounded silhouette.

Bra Sizes Explained - Katherine Hamilton (2024)

FAQs

What is the explanation of bra sizing? ›

Bras are sized using two measurements – the band, which is the measurement around your ribcage, where the bra underband sits, and is a number (like 34 or 36). Then the cup, which is a letter, and represents the difference between the underbust measurement and the one around the fullest part of your bust.

Is DD bigger than D? ›

Is D or DD cup bigger? There's no difference in the spacing between single and double letter sizes, a DD is one full size larger than D, just like E is one full size larger than DD.

Is DDD the same as F? ›

Here in the US, DDD is the same as F. But, if you were bra shopping in the UK, for example, DDD/F would be E. Some US-based brands don't always get this distinction right, and bra size charts aren't always consistent.

How do you tell what cup size a girl is? ›

Measure around your chest again this time placing the measuring tape at nipple level. This is your bust measurement. Get your cup size by subtracting your band size from your bust size. If the difference is a 1 your cup size is an A, 2 a B, 3 a C, etc.

Is 36A the same as 34B? ›

For example, a 34B and a 36A are considered sister sizes because they have the same cup volume (34B = 36A) but different band sizes. This means that a woman who typically wears a 34B may be able to comfortably wear a 36A sports bra, and vice versa, if the band size needs to change.

What is the difference between C cup and D cup? ›

That number represents your cup size. For less than one inch you are a AA cup, for one inch you are an A cup, for two inches you are a B cup, for three inches you are a C cup, for four inches you are a D cup and for five inches you are a DD cup.

Is a 36D the same as a 34DD? ›

A little lingerie industry secret shared ….

For example, a 36D holds 710cc of breast tissue - the same as a 34DD, 32E and 30F. A 34B, on the other hand, holds 390cc of breast tissue – the same as a 32C, 30D, and 28DD.

Are 40D and 38DD the same? ›

38DD has a band size of 38 inches and a cup volume that fits a 5-inch difference between the band and bust measurement (DD cup). The sister size of 38DD is 40D, which has a band size of 40 inches and the same cup volume as 38DD.

Is a DDD Cup big? ›

Each letter corresponds to a specific difference in breast volume, with A being the smallest and DDD being one of the largest cup sizes available. It's important to note that cup sizes are not static – they change in relation to the band size.

How much does the average DDD breast weigh? ›

C cup breasts weigh around 1.1 lbs (the equivalent of 3 bananas each breast), D cup breasts weigh around 1.7 lbs (the equivalent of a guinea pig per breast), DD-E cups weigh around 2.2 lbs each (about a pineapple each breast), and DDD-F weigh about 2.6 lbs each (about a quart of water each breast).

What is 34DDD equivalent to? ›

A lingerie fitting associate told me that for every D, you add a letter. A 34DD=34E. 34DDD=34F. 34DDDD=34G.

What is equivalent to 36DDD? ›

SISTER SIZE CHARTS:
36 BAND SIZE
Current Bra SizeSister Size DOWNSister Size UP
36D34DD(E)38C
36DD(E)34DDD(F)38D
36DDD(F)34DDDD(G)38DD(E)
5 more rows

What is the most attractive cup size for a woman? ›

It turns out, over half of women polled thought a C cup was the perfect fit. At the same time, close to 26 percent preferred a B cup. Nearly 2 percent said an A cup was their preferred breast proportion.

What is the average breast size for a woman? ›

Average Cup Size

According to a survey conducted between 1992 and 2013, the average bra size in the U.S. has increased from a 34B to a 34DD, and now just six years later, the average has shot up to a DDD — that's the largest compared to any of the other countries studied.

What is the average breast size? ›

In the United States, the average size of a woman's breast is a 34DD. This statistic states that, based on the population of women in the United States, the average size of their breasts is a 34DD.

How do I calculate my bra size? ›

Subtract the band size from your bust size to find the right cup size. Every inch equals one cup size up.

How do you calculate your bra cup size? ›

All you need to do is a little bra math: Subtract your band size from your bust measurement to find your cup size. “The difference in inches corresponds to your cup size,” says Iserlis. For example, if your bust measures 37 inches, and your band size is 34, the difference will be 3.

What is the correct way to measure for a bra size? ›

Band Size Measurement: Take a measuring tape and measure around your ribcage just under your breasts. Make sure the tape is snug but not too tight. This measurement will give you your band size. Cup Size Measurement: Measure around the fullest part of your breasts, typically across the nipple line.

Which is bigger cup size B or C? ›

If there's a 1-inch difference between bust and band you're an A cup; 2-inch difference is a B cup, 3 inches is a C cup, 4 inches is a D cup, and so on. For example, if your bust measurement is 37 inches and your band is 33 inches, you would be a D cup because of the 4-inch difference.

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