The same volume of breast tissue spread across different size rib cages band sizes. Lets say you are trying on a 34c bra and the band feels a bit loose but the cup size seems ok. Japanese bra sizes are the same as european sizes but the cup size are often written first eg. A larger overall c. It basically indicates how big your ribcage is as anything smaller than this would not fit. This can be confusing but very helpful to know especially if youre adjusting your bra size to get a better fit.
The band or frame size is the firm circumference fitted not tightly measured directly underneath the breasts. The breast size is the circumference of your chest right below your breasts. The most common way to calculate your cup size is by subtracting your band size from your bust size and using the difference to find your cup size according to a bra size chart. Heres a chart from bella materna. C75 instead of 75c. What is the difference between b c and d bra sizes.
The bust size is the loose circumference measured around the chest over the fullest part of the breasts while standing straight with arms to the side and wearing a properly fitted bra. Use this table to convert your bra band size into international sizes. Typically the cups are cut wider though some are cut deeper as the bra size gets larger. Use the following to convert the bra sizes betweem different locations. The bra size indicates how much the breasts add to the breast size. The grey cells in the table below demonstrate how the sizes diagonally adjacent from the top right to the bottom left are the same in breast volume ie.
The biggest difference with these bra sizes is the fit of the band and the placement of the underwire. So youll notice a difference in the fit of the cups though they should fit your breasts just fine and a difference in the fit of the band. Determining cup size is where things can get tricky because cup sizes can vary depending on the maker. Its the difference between the circumference of the ribs below the breasts and of the circumference of the breasts at their fullest point. Your bra size is a us 36ddddg. You can check the bra sizes chart or calculator further up this page to confirm your correct bra size.
Convert to international band size. Thats a 7 difference or a ddddg cup. The only difference is the band size and possibly where the cups are positioned on the band. Bra sizes that are the same in volume are often referred to as sister sizes. Your underbust measurement is odd so you add 1 leading to a band size of 36. Bra wearers can calculate their cup size by finding the difference between their bust size and their band size.
The bust size bust line measure or over bust measure is the measurement around the torso over the fullest part of the breasts with the crest of the breast halfway between the elbow and shoulder usually over the nipples ideally while standing straight with arms to the side and.