knowhersize

Reviewed

30A vs 32A

32A is bigger than 30A. The cup letter is the same, but cup volume grows with the band, so 32A's cups hold more as well as having the longer band.

Side by side

30A32A
RelationshipSame cup letter, different band
UK30A32A
AU8A10A
EU65A70A
FR80A85A
Underbust30–31 in32–33 in
Bust≈ 31 in≈ 33 in
Cup volume32A holds more

On the size chart

30A is marked in ink and 32A is outlined. The yellow diagonal through 30A shows every size with the same cup volume.

30A = UK 30A · AU 8A · EU 65A · FR 80A. Sister sizes: 28B, 32AA. 30A in full →
A
B
C
D
DD
DDD
G
H
28
30
32
34
36
38
40
42
44

Questions

Is 30A or 32A bigger?

32A is bigger than 30A. The cup letter is the same, but cup volume grows with the band, so 32A's cups hold more as well as having the longer band.

Can I wear 32A if I'm a 30A?

Only if the fit check says so. Changing the band also changes the cup volume, so try both where returns are easy.

What are 30A and 32A in UK sizes?

30A is UK 30A and 32A is UK 32A. In Europe they are 65A and 70A.