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.

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).

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.

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，请问她的罩杯是什么？ 1.如果脂肪偏多：量出上下围之差为某个杯级时，罩杯的级数应该选大一级。 2.算出的差值比较模糊：尽量选大一号的罩杯型号，以便乳房有发展的空间。 除此之外，姑娘们还需要了解一 …

With this converter you can convert a bra size to another bra size system. Enter the bra size and choose which size system to change to which size system and see result. You can convert bra sizes between the following systems: EU, UK, US, IT, AU and FR. You can also look at the bra size chart for different sizes of bras.

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

2024年9月2日 · How are Bra Sizes Determined? On top of being highly technical garments, bras are also complicated in the way their sizing works. For example, a woman who wears a 32G cup isn’t necessarily a true G cup. Confusing, right? But stay with us — we’ll explain how bra sizes work in just a bit.

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.

Use our international size chart to help convert any underwear sizes into your desired size. Using your clothing size, under-bust measurement, cup size and our bra size converter will help you find the right bra size or discover your bra sister sizes!

Understanding bra size conversion can be a game-changer when it comes to finding the perfect fit, especially for those who wear a 70C size. This size is often equivalent to a 32C in the US sizing system, but it’s essential to consider the brand and style, as sizing can vary.