Berlei to CUUP bra size
The short answer
Berlei 12DD is CUUP 34E by the two brands' own charts.
Cups are counted along each brand's own letter order, and the band is carried across unchanged.
| Berlei | Berlei builds it for | CUUP, by chart | Same label | CUUP builds it for | CUUP also prints |
|---|---|---|---|---|---|
| 12A | not published | 34A | not published | not published | not published |
| 12B | not published | 34B | not published | not published | not published |
| 12C | not published | 34C | not published | not published | not published |
| 12D | not published | 34D | not published | not published | not published |
| 12DD | not published | 34E | not published | not published | not published |
| 12E | not published | 34F | not published | not published | not published |
| 12F | not published | 34G | not published | not published | not published |
| 12G | not published | 34H | not published | not published | not published |
| 12H | not published | not made | not published | not published | not published |
What wearers say
Charts describe a garment. People who own both brands describe a fit, and their answer ranks above this table once five of them stand behind it. Pick your size in the converter to see whether there are enough yet.
Sources
- Berlei size guide, read on 2026-09-18.
- CUUP size guide, read on 2026-09-17. CUUP on TrueToSize