CUUP to Wacoal bra size
The short answer
CUUP 34E is Wacoal 34DD by the two brands' own charts. 2 of 8 CUUP sizes land on a different label at Wacoal.
Cups are counted along each brand's own letter order, and the band is carried across unchanged.
| CUUP | CUUP builds it for | Wacoal, by chart | Same label | Wacoal builds it for | Wacoal also prints |
|---|---|---|---|---|---|
| 34A | not published | 34A | not published | not published | not published |
| 34B | not published | 34B | not published | not published | not published |
| 34C | not published | 34C | not published | not published | not published |
| 34D | not published | 34D | not published | not published | not published |
| 34E | not published | 34DD | not published | not published | not published |
| 34F | not published | 34DDD | not published | not published | not published |
| 34G | not published | 34G | not published | not published | not published |
| 34H | not published | 34H | 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
- CUUP size guide, read on 2026-09-17. CUUP on TrueToSize
- Wacoal size guide, read on 2026-09-17. Wacoal on TrueToSize