# What is the difference between cup A and B?

What is the difference between cup A and B?

## What is the difference between cup A and B?

34″ – 32″ = 2″. The difference is 2″, which means your cup size is a B cup….Breast Health: Buying a Bra.

Cup Size: Difference:
AA Cup ½ inch
A Cup 1 inch
B Cup 2 inch
C Cup 3 inch

### Is a 34B the same as a 34A?

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. All three aforementioned sizes are a B cup despite what their cup letter indicates.

#### Is 34A or 32 B bigger?

For example, if you are wearing a 34B that is too loose in both the band and the cup, try a 32B. It’s a smaller bra, so the same Bcup in a 32 is smaller than a Bcup in a 34. If you have a 34B that is too Tight in both band and cup, get a bigger band, and remember that in a bigger bra the same Cup Letter is bigger too.

Is a 38B and a 36C the same?

Find your Sister Size For example, if you wear a 38B, your Sister Size Up would be 40A, and your Sister Size Down would be 36C. You can wear either one of the Sister Sizes and still have the same cup volume as 38B!

Are a 34A and 32B the same?

It’s a common misconception that the larger the cup size, the larger the bra, no matter what the band size (i.e. a 32F is larger than a 36B, a 34C is larger than a 38A, etc)….Bra Sister Size Size Comparison Chart:

34 BAND SIZES
Sister Size DOWN Current Bra Size Sister size UP
32B 34A 36AA
32C 34B 36A
32D 34C 36B

## Is 36A the same as 34B?

Another example, a 34B and 36A are the same cup size. The only difference is the band size. The 36 is a bigger band size than the 34. Here’s an example of some other sister sizes.

### Is 38A the same as 36B?

It’s a common misconception that the larger the cup size, the larger the bra, no matter what the band size (i.e. a 32F is larger than a 36B, a 34C is larger than a 38A, etc). However, this is not the case….Bra Sister Size Size Comparison Chart:

36 BAND SIZES
34B 36A 38AA
34C 36B 38A
34D 36C 38B
34DD 36D 38C