Fantasie to PrimaDonna bra size
The short answer
Fantasie 34I is PrimaDonna 75I by the two brands' own charts.
Cups are counted along each brand's own letter order, and the band is carried across unchanged.
| Fantasie | Fantasie builds it for | PrimaDonna, by chart | Same label | PrimaDonna builds it for | PrimaDonna also prints |
|---|---|---|---|---|---|
| 34D | not published | 75D | not published | not published | UK D · US D |
| 34DD | not published | 75E | not published | not published | UK E · US DD |
| 34DDD | not published | 75F | not published | not published | UK F · US DDD |
| 34G | not published | 75G | not published | not published | UK G · US G |
| 34H | not published | 75H | not published | not published | UK H · US H |
| 34I | not published | 75I | not published | not published | UK I · US I |
| 34J | not published | 75J | not published | not published | UK J · US J |
| 34K | not published | 75K | not published | not published | UK K · US K |
| 34L | not published | 75L | not published | not published | UK L · US L |
| 34M | not published | 75M | not published | not published | UK M · US M |
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
- Fantasie size guide, read on 2026-09-17. Fantasie on TrueToSize
- PrimaDonna size guide, read on 2026-09-18.