To determine the cup size, subtract the band size from the bust size. If you have a J cup size, the difference will be around 10 inches. The table below will allow you to understand the range of measurements that culminate in a J cup size.

Size J: This is just an inch bigger than the size I. Model September Carrino and reality TV star Angela Raiola have J cup breast sizes. Size K : This bra size is 11 inches larger than the underbust size.

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).

在东方女性中属于从C开始就属于“蛮大”的罩杯类型，G罩杯属于在女性中较为少见。英国女明星“波霸”乔丹-凯特的豪乳罩杯就是G罩杯，并因此而爆红。而日本女性西条琉璃更是有着惊人的Big Size，说实话，这真不是一般人能接受的了的。

2024年9月2日 · Bra sizes have two components: a band size, which is a number, and a cup size, which is a letter. The band size is the measurement around your underbust in inches. The difference between your bust measurement and your underbust determines the cup size.

日本内衣有个特点叫做分尺码定价，也就是同款内衣，bc, def, ghij 完全是3个价位（日本很少有A杯），所带来的就是这3个尺码段的杯型也会有些不一样。 比如b-f一般都是1或2排扣，g+都是3排扣。 【BC】我不了解，而且我还真没怎么遇到过穿BC的人。 【DEF】这个区间，大多数偏小0.5-1杯，如果你是处于这个区间的，建议选大一杯，比如平时穿70D，那就日本内衣选择70E。 但是不代表没有正码的，比如narue某些款式，himico玫瑰都是正码的正常买就好，himico经典 …

Working out your back size is simple and can be figured out using the bra size chart below: Converting your cup size... All brands fit differently so use this chart as a starting off point! If you're sure your bra is fitting you well, the conversion chart below will help you find your equivalent UK size to try.

ThirdLove offers over 60 bra sizes from 32 to 44 band and bra cup sizes from AA to H cup, including our exclusive half cup sizes. Using your current bra size as a starting point, you can refer to the bra cup size chart below to refine your fit. …

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.

A J cup size typically indicates a larger breast volume, which can vary significantly among different brands and styles. It's essential to remember that sizing can differ, so trying on various bras is key to finding the perfect fit.