Your
Bra size can be determined as follows:

1.
Measure around the part of your body just below your breasts.
2. If the
number is 33" or below add 5" to it and add 3" if it is
above 33".
3.
Measure your bust around the largest point
4.
Subtract this measurement from your earlier measurement to determine
your cup size
5.
Your first measurement and your cup measurement is your bra size