例如：知道文胸尺寸为 34/75b或者 75b 或者34b,如果不是大陆码一律换算成大陆码，大陆码=2.5（34-4）=75，所以下胸围范围是 73~77,b罩杯的差的范围是 10~12.5，所以上胸围的取值范围是 83~89.5。

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。

2020年12月17日 · 也可以根据其推算规律来判断，因为最小的差值为7.5，也就是a罩杯，如果你得到的差值为10，那就是b罩杯了，以此类推，每加2.5，罩杯就升级一个级别。

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.

2025年1月7日 · B cup breasts are often seen as middle-of-the-road. They’re not as small as A cups, but not as large as C or D cups. Think of them like Goldilocks’ porridge – just right for many folks. Bust measurements and bra cup sizes can vary, so what looks like a B cup on one person might seem different on another.

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.

A、B、C、D、E等罩杯多大?使用黛安芬胸圍內衣尺寸對照表,快速換算出你正確的胸圍Cup Size,找出最合你身的胸圍！

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

This guide will discuss the smaller than average size B cup size bra, how it can look on different bodies, and famous celebrities with the B cup size. I also explain the right way to measure your bust, as well as the perfect bras for the small cup size.

MIRO可以為你進行一對一內衣推薦，了解胸型問題與改善方法，選出最適合你的胸圍尺寸與款式，助你輕鬆升Cup育成心形胸，立即 預約 前往門店諮詢！ 顧客服務