Wacoal to Berlei bra size
The short answer
Wacoal 34DD is Berlei 12DD by the two brands' own charts.
Cups are counted along each brand's own letter order, and the band is carried across unchanged.
| Wacoal | Wacoal builds it for | Berlei, by chart | Same label | Berlei builds it for | Berlei also prints |
|---|---|---|---|---|---|
| 34A | not published | 12A | not published | not published | not published |
| 34B | not published | 12B | not published | not published | not published |
| 34C | not published | 12C | not published | not published | not published |
| 34D | not published | 12D | not published | not published | not published |
| 34DD | not published | 12DD | not published | not published | not published |
| 34DDD | not published | 12E | not published | not published | not published |
| 34G | not published | 12F | not published | not published | not published |
| 34H | not published | 12G | not published | not published | not published |
| 34I | not published | 12H | not published | not published | not published |
| 34J | 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
- Wacoal size guide, read on 2026-09-17. Wacoal on TrueToSize
- Berlei size guide, read on 2026-09-18.