1. Overbust
2. Bust (with a full breath)
Measure around the fullest part of the bust to get your
Bust measurement
keeping the tape level without
pulling it too tight.
3. Underbust
Measure around your ribcage just below your Bust to get your
Underbust measurement.
If the Underbust number:
is under 33" add 5"
For 33" or over add 3"
For an even number, that's your Bra size.
For an odd number, add 1" for your Bra size.
The difference between your Bust measurement and your Bra size is your Cup size:
Difference
0"
1"
2"
3"
4"
5"
Cup Size
AA
A
B
C
D
DD