Your bra size is 40d. I also have a page that has a list of over 200 celebrity breast sizes. Lets say your bust measurement is 51 inches and your band size is 46 inches. This page is dedicated to celebrity bra size. 51 465 so using the chart below you are a dd cup. When you go up or down a band size your cup size volume will change too.
Each inch equals one cup size 1 a cup 2 b cup. Your band size is however close to 38 as well. For example if your bust measures 37 inches and your band size not the exact measurement but the band size you found above is 34 the difference will be 3. You might fit 40d but you might also try 38e. Find out which actresses wear the same sized bra as you. You can see pictures of different actresses arranged in order of their bra size.
The band or frame size is the firm circumference fitted not tightly measured directly underneath the breasts. The bra size also known as brassiere measurement or bust size is the measure which indicates the size characteristics of a brabra size is usually expressed as consisting of two measurements with a number of systems in use around the world the band length often numerical and cup size often alphabetical. If you want to keep the same cup size but need another band size. Here are links to my other breast size pages. The number refers to the size of the ribcage and the letter to the size of the breasts. Our bra size calculator is used by measuring around the bust and just below it and working out how many inches of difference are between them.
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. A bra size is made up of a number and a letter. Use the following to convert the bra sizes betweem different locations. Match the number to this bra size chart to determine your cup size.