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.

罩杯尺码=上胸围-下胸围 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。

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。

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.

This calculator estimates bra size based on bust size, frame size, and common measurement standards. Also, convert bra sizes in the US, UK, EU, and Australia.

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.

可以根据上胸围及下胸围尺寸计算罩杯型号,并可实现不同国家包括美国、加拿大、中国、澳大利亚、新西兰、欧洲、日本、法国、英国、意大利等国家罩杯尺码的转换。 2.日本的罩杯尺码标识是"杯深 (字母)"+"下胸围 (厘米)",所以如70A应该是A70. 可以根据上胸围及下胸围尺寸计算罩杯型号,并可实现不同国家包括美国、加拿大、中国、澳大利亚、新西兰、欧洲、日本、法国、英国、意大利等国家罩杯尺码的转换。

罩杯这个词是由法国人确定的。因为胸罩是二十世纪二十年代由法国人发明的，它的前名是紧身衣（Corset）。胸罩简称为bra，此词就是源于法文。在法国人发明胸罩的同时，也确定了由此衍生的胸部或乳房大小的单位。

First, determine your bra size by following our quick and easy instructions for DIY Bra Sizing. Then, use the international cup and band size conversion charts below to find your correct bra size. For more information on how to measure your bra size, watch HerRoom's How to Measure Your Bra Size Expert Video.

2025年2月3日 · Converting 74 cm to bra size can be a bit tricky, but it’s essential for finding the perfect fit. Generally, a measurement of 74 cm corresponds to a bra size of 34B in the US sizing system. However, it’s important to remember that sizing can vary between brands, so always check the specific size chart for the brand you are interested in.