knowhersize

Reviewed

36DD vs 34DDD

36DD and 34DDD are sister sizes: the cups hold the same volume. 36DD has the looser band and 34DDD the firmer one, so pick by how the band feels.

Side by side

36DD34DDD
RelationshipSister sizes
UK36DD34E
AU14DD12E
EU80E75F
FR95E90F
Underbust36–37 in34–35 in
Bust≈ 41 in≈ 40 in
Cup volumeSame

On the size chart

36DD is marked in ink and 34DDD is outlined. The yellow diagonal through 36DD shows every size with the same cup volume.

36DD = UK 36DD · AU 14DD · EU 80E · FR 95E. Sister sizes: 34DDD, 38D. 36DD in full →
A
B
C
D
DD
DDD
G
H
28
30
32
34
36
38
40
42
44

Questions

Is 36DD the same as 34DDD?

36DD and 34DDD are sister sizes: the cups hold the same volume. 36DD has the looser band and 34DDD the firmer one, so pick by how the band feels.

Can I wear 34DDD if I'm a 36DD?

Often, yes. The cups hold the same volume, so the change you'll feel is the band: 34DDD is firmer. Choose by how the band sits, level and snug on the loosest hook.

What are 36DD and 34DDD in UK sizes?

36DD is UK 36DD and 34DDD is UK 34E. In Europe they are 80E and 75F.