Size System
French Bra Sizes Explained
French band numbers (used in France, Belgium and Spain) follow the same five-centimetre stepping as the EU system, with cup letters using the same non-doubling A-to-O sequence - only the band number itself is offset from the EU number.
What makes this system different
- A French band number is consistently offset from the equivalent EU band number by the same amount at every step, not a different formula at different sizes.
- Cup logic is identical to EU - if you already know the EU cup-letter pattern, the French one behaves the same way.
- Because the offset is consistent, converting between French and EU sizes is one of the more reliable conversions in our tables.
Band sizes in this system
- 70
- 75
- 80
- 85
- 90
- 95
- 100
- 105
- 110
- 115
- 120
- 125
Cup sizes in this system
- AA
- A
- B
- C
- D
- E
- F
- G
- H
- I
- J
- K
- L
- M
- N
- O