knowhersize

Reviewed

38DD vs 36DDD

38DD and 36DDD are sister sizes: the cups hold the same volume. 38DD has the looser band and 36DDD the firmer one, so pick by how the band feels.

Side by side

38DD36DDD
RelationshipSister sizes
UK38DD36E
AU16DD14E
EU85E80F
FR100E95F
Underbust38–39 in36–37 in
Bust≈ 43 in≈ 42 in
Cup volumeSame

On the size chart

38DD is marked in ink and 36DDD is outlined. The yellow diagonal through 38DD shows every size with the same cup volume.

38DD = UK 38DD · AU 16DD · EU 85E · FR 100E. Sister sizes: 36DDD, 40D. 38DD in full →
A
B
C
D
DD
DDD
G
H
28
30
32
34
36
38
40
42
44

Questions

Is 38DD the same as 36DDD?

38DD and 36DDD are sister sizes: the cups hold the same volume. 38DD has the looser band and 36DDD the firmer one, so pick by how the band feels.

Can I wear 36DDD if I'm a 38DD?

Often, yes. The cups hold the same volume, so the change you'll feel is the band: 36DDD is firmer. Choose by how the band sits, level and snug on the loosest hook.

What are 38DD and 36DDD in UK sizes?

38DD is UK 38DD and 36DDD is UK 36E. In Europe they are 85E and 80F.