knowhersize

Reviewed

34A vs 32B

34A and 32B are sister sizes: the cups hold the same volume. 34A has the looser band and 32B the firmer one, so pick by how the band feels.

Side by side

34A32B
RelationshipSister sizes
UK34A32B
AU12A10B
EU75A70B
FR90A85B
Underbust34–35 in32–33 in
Bust≈ 35 in≈ 34 in
Cup volumeSame

On the size chart

34A is marked in ink and 32B is outlined. The yellow diagonal through 34A shows every size with the same cup volume.

34A = UK 34A · AU 12A · EU 75A · FR 90A. Sister sizes: 32B, 36AA. 34A in full →
A
B
C
D
DD
DDD
G
H
28
30
32
34
36
38
40
42
44

Questions

Is 34A the same as 32B?

34A and 32B are sister sizes: the cups hold the same volume. 34A has the looser band and 32B the firmer one, so pick by how the band feels.

Can I wear 32B if I'm a 34A?

Often, yes. The cups hold the same volume, so the change you'll feel is the band: 32B is firmer. Choose by how the band sits, level and snug on the loosest hook.

What are 34A and 32B in UK sizes?

34A is UK 34A and 32B is UK 32B. In Europe they are 75A and 70B.