It depends upon the size of the breast you have. 200 cc's can become a C cup or it might take 450 cc's to accomplish that. Best of luck seek in person evaluations.
There is no definite volume for any bra cup size. A 34C is the same cup size as a 36B. There is also a wide variation among manufacturers. Rather than fixating on implant sizes, try the implants on and you can see the difference in volume that you can expect.