Reviewed
34B vs 36B
36B is bigger than 34B. The cup letter is the same, but cup volume grows with the band, so 36B's cups hold more as well as having the longer band.
Side by side
| 34B | 36B | |
|---|---|---|
| Relationship | Same cup letter, different band | |
| UK | 34B | 36B |
| AU | 12B | 14B |
| EU | 75B | 80B |
| FR | 90B | 95B |
| Underbust | 34–35 in | 36–37 in |
| Bust | ≈ 36 in | ≈ 38 in |
| Cup volume | 36B holds more | |
On the size chart
34B is marked in ink and 36B is outlined. The yellow diagonal through 34B 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
Questions
Is 34B or 36B bigger?
36B is bigger than 34B. The cup letter is the same, but cup volume grows with the band, so 36B's cups hold more as well as having the longer band.
Can I wear 36B if I'm a 34B?
Only if the fit check says so. Changing the band also changes the cup volume, so try both where returns are easy.
What are 34B and 36B in UK sizes?
34B is UK 34B and 36B is UK 36B. In Europe they are 75B and 80B.