Berlei to Wacoal bra size
The short answer
Berlei 12DD is Wacoal 34DD 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 | Wacoal, by chart | Same label | Wacoal builds it for | Wacoal 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 | 34DD | not published | not published | not published |
| 12E | not published | 34DDD | 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 | 34I | 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.
- Wacoal size guide, read on 2026-09-17. Wacoal on TrueToSize