Average cup size: C cup. 15 - 16 year old girls: The breast becomes rounded and only the nipple is raised, forming a adult breast. Average cup size: C cup or above.
The average bra size of a 16 year old is 36C.
15 year olds: C cup. Between the ages of 15 and 16, boob size begins to mould into the shape of an adult breast. Nipples begin to stick out and become slightly raised. 16 year olds: C cup or above.
Since 32c is a medium bra size; there won't be much problem with saggy busts due to heaviness.
Small: 32A, 32B, 34A, 34B. 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.
For example, 34A is a size Small. For the best fit, use the applicable size chart using your underbust and bust measurements. Example: 34A bra wearer can have an underbust measurement of 30" - 32".
When our participants were asked what their ideal breast size would be, the C cup was considered the most popular, with 39% choosing it above other sizes. In second place, was the D cup, which was the first choice of 29% of people who completed our survey.
Australian bra sizes typically range for band sizes from 8 (25-27 inches) to 26 (43-45 inches).
Bra Cup Sizes
The further down the alphabet a letter is, the larger the cup volume, starting with AA as the smallest.
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 C cup, for four inches you are a D cup and for five inches you are a DD cup.
15-16 years size
Teenagers aged 15-16 usually wear Adult Small to Medium sizes. However, some may still fit into larger children's sizes, like Youth XL or 18-20, especially if adult sizes are too big for them. As each brand varies, it's always best to check their specific size guides.
So if a bra is a size 32B, its sister size “up” would be 34A, and its sister size “down” would be 30C. Despite having different numbers, these bras all hold the same amount of tissue in their cups, with different band lengths. This chart from Triumph via Chatelaine shows the sister sizes for some common US core sizes.
The only difference is the band size. The 36 is a bigger band size than the 34.
For reference, any cup with a 34 band size is considered a “true cup” size. This means that a 34AA is in fact a AA cup, just as how a 34B is a true B cup. However, a 34B is also equivalent in cup volume to a 30D, 32C, and a 36A. All three aforementioned sizes are a B cup despite what their cup letter indicates.
Ariana Grande, the songstress with really powerful vocal cords, has a bra size of 32A.
They Break Records - The world's largest natural breasts belong to Annie Hawkins-Turner. She wears a 52I bra and they weigh 56 pounds each.
The biggest bra cup size, or the most widely available one, is a K cup, but obviously it's possible to be bigger than this. If you're measuring bigger than a K, it's most likely that you'll have to get your bras made by a specialist place.
You're still in the normal age range for it. Some do stay very small. But it's likely at that size you've still got some growing coming.
It is entirely normal for a 13-year-old to wear a 34B bra size, but it ultimately depends on each individual's body shape and development. Breast size and growth can vary significantly between individuals, and there is no specific size that is considered normal or abnormal.
You'll require to change the cup size but not the band size. E.g., If you're a 34B & its cups are tight, your ideal sister size would be 34C.