Find your local bra size in the Bra Size Conversion Chart below, and see equivalent bra sizes in other bra sizing systems (countries). Note about cup size: In this bra size conversion chart, all bra sizes start with cup size AA. This will work with most bra models.

This calculator estimates bra size based on bust size and band size (frame size). To ensure accuracy, measure to the nearest ¼ inch or ½ cm. This calculator provides results for the United States, the United Kingdom, European Union, France, Belgium, Spain, Australia, and …

上胸围与下胸围之差 AA ：7.5cm， A：10cm， B：12.5cm， C：15cm， D：17.5cm， E：20cm， F：22.5cm 。 结合下胸围大小与罩杯的大小，即可准确测量胸围尺码。 例如你的 …

全罩杯 文胸全面包裹胸部，杜绝 胸部下垂 、外扩问题，适合任何胸型。 [1] 文胸尺码对照表也称胸罩尺寸对照表，是根据国际标准制定的文胸尺寸、胸罩尺寸表。 水平围绕胸部乳房底部一周的长度，即为您的胸部下围尺寸，单位：cm。 购买文胸的时候，往往应根据自己的下胸围选择一个相近的概数作为自己文胸的尺码，例如，如果你的下胸围在68cm~72cm之间，那么请选择70码。

The size of a bra always depends on two factors: the circumference of the body just below the breasts (called band size) and the circumference above the breasts, usually at the level of the nipples (called bust size).

To find your bra size using the International Conversion Chart, start by knowing your current bra size in the US system, which includes your band size (a number) and your cup size (a letter). Then, locate your US bra size on the conversion chart to see how it translates into UK, European, France/Spain, Japan, and Australian sizes.

With the help of this US bra size chart in inches and centimeters, you can easily measure yourself at home and shop for bras with ease. Remember that each bra size will look quite a bit different on different women, depending on your bone structure, natural waistline, and body shape.

如何选择合适的bra？ 如题，想知道哪个牌子的bar比较靠谱，能帮我准确测量胸围？ 我因为整体较瘦，平时都是被推荐买75C或80B的，而且柜员们都追求那种极致挤胸的效果。

Discover your perfect fit with our bra size calculator. Get accurate results instantly and unlock ultimate comfort. Try it now!

Ever wondered about your bra size equivalent in France or the US? Or are you an Australian shopping for bras in the UK? Here is our international bra size conversion table to help you with different size systems.