Reviewed
40B vs 40C
40C is bigger than 40B. Same band, and 40C has the larger cup letter, so it holds more.
Side by side
| 40B | 40C | |
|---|---|---|
| Relationship | Same band, different cup | |
| UK | 40B | 40C |
| AU | 18B | 18C |
| EU | 90B | 90C |
| FR | 105B | 105C |
| Underbust | 40–41 in | 40–41 in |
| Bust | ≈ 42 in | ≈ 43 in |
| Cup volume | 40C holds more | |
On the size chart
40B is marked in ink and 40C is outlined. The yellow diagonal through 40B 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 40B or 40C bigger?
40C is bigger than 40B. Same band, and 40C has the larger cup letter, so it holds more.
Can I wear 40C if I'm a 40B?
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 40B and 40C in UK sizes?
40B is UK 40B and 40C is UK 40C. In Europe they are 90B and 90C.