A cups are considered small, with the most common A cup size being a 34A. Learn more about your specific band and cup size: 28A; 30A; 32A; 34A; 36A; 38A; There’s only a slight difference between single, double, and triple-A cup sizes. If the difference is less than half an inch, the right fit may be an AAA cup.

Generally speaking, a 30B is considered to be a smaller bust size. If you have a band size of 30 inches, it means you are small and have a slim figure. A B-cup size would suit your frame as it is proportional to your body. The size is also near to the average bra size, with even smaller sizes.

Cup conversion chart. Notice that for calculating the cup code there is no direct conversion between sizes in centimetres and inches. Centimetres are used in continental Europe and Inches in USA, UK and AUS. For instance, the size of a C cup in Europe y different from a C cup in USA.

我们在买文胸时看到的下胸围数值通常是 70、75、80、85、90、95、100、105 ，你会发现它们都是5的整倍数。 的确是这样，下胸围的数值最终选取的是接近值，允许误差为正负2.5cm。 例如：你的下胸围为77cm，那么你应戴75号的文胸，如果恰好是77.5cm，那你可以75和80的都尝试，看看哪个更为适合。 文胸一般分为AA、A、B、C、D、E六型，表示罩杯的深浅程度，每型之间的尺码区别由上、下胸围的差数决定。 Q：某位妹纸下胸围76，上胸围87，请问她的罩杯是 …

2024年9月2日 · 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. This is called sister sizes.

Cup size. The cup size can be calculated using the difference between bust size and band size. Refer to the table below.

B Cup Conversions. A B cup breast is considered small, but close to the average breast size. A 30B has a band size of 30 inches and 61 centimeters, and an overbust size of 32 inches and 78 centimeters. A 32B has a band size of 32 inches and 68 centimeters, and an overbust size of 34 inches and 84 centimeters.

1、罩杯的概念，罩杯的分级由上下胸围差决定，A是10，B是12.5，以2.5cm差值类推C、D、E. 2、国际尺码65、70、75等指的是下胸围标准，单位是cm，而英式尺码30、32、34等指的是上胸围，英式尺码换算成厘米就是*2.5，即30*2.5=75. 因此，65下胸围的女性，A罩杯大小，选购的Bra应该是65A，或者是30A. 你所得出的公式应该算是以下胸围为标准的等尺寸换算， 而根据罩杯差值得出的换算的公式则是65+10=30*2.5. 结论：国际尺码与英式尺码制定的基准不一样，而 …

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2016年11月17日 · What is 30B bra size? You very well know that bra size is the band size and cup size. If the woman has band size 30 inches and bust size 32 inches, then her bra size is 30B bra size. Why B? ‘B’ is the cup size, which is determined by the difference between the bust size and the band size.