Reviewed
30B vs 30C
30C is bigger than 30B. Same band, and 30C has the larger cup letter, so it holds more.
Side by side
| 30B | 30C | |
|---|---|---|
| Relationship | Same band, different cup | |
| UK | 30B | 30C |
| AU | 8B | 8C |
| EU | 65B | 65C |
| FR | 80B | 80C |
| Underbust | 30–31 in | 30–31 in |
| Bust | ≈ 32 in | ≈ 33 in |
| Cup volume | 30C holds more | |
On the size chart
30B is marked in ink and 30C is outlined. The yellow diagonal through 30B 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 30B or 30C bigger?
30C is bigger than 30B. Same band, and 30C has the larger cup letter, so it holds more.
Can I wear 30C if I'm a 30B?
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 30B and 30C in UK sizes?
30B is UK 30B and 30C is UK 30C. In Europe they are 65B and 65C.