Reviewed
30D vs 30DD
30DD is bigger than 30D. Same band, and 30DD has the larger cup letter, so it holds more.
Side by side
| 30D | 30DD | |
|---|---|---|
| Relationship | Same band, different cup | |
| UK | 30D | 30DD |
| AU | 8D | 8DD |
| EU | 65D | 65E |
| FR | 80D | 80E |
| Underbust | 30–31 in | 30–31 in |
| Bust | ≈ 34 in | ≈ 35 in |
| Cup volume | 30DD holds more | |
On the size chart
30D is marked in ink and 30DD is outlined. The yellow diagonal through 30D shows every size with the same cup volume.
A
B
C
D
DD
DDD
G
H
28
30
32
34
36
38
40
42
44
Read each size
Other comparisons
Questions
Is 30D or 30DD bigger?
30DD is bigger than 30D. Same band, and 30DD has the larger cup letter, so it holds more.
Can I wear 30DD if I'm a 30D?
Only if the fit check says so. A different cup letter on the same band changes the cup volume, so try both where returns are easy.
What are 30D and 30DD in UK sizes?
30D is UK 30D and 30DD is UK 30DD. In Europe they are 65D and 65E.