Bras N Things to Vanity Fair bra size
The short answer
Bras N Things 12F is Vanity Fair 34G by the two brands' own charts.
Cups are counted along each brand's own letter order, and the band is carried across unchanged.
| Bras N Things | Bras N Things builds it for | Vanity Fair, by chart | Same label | Vanity Fair builds it for | Vanity Fair 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 |
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
- Bras N Things size guide, read on 2026-09-18.
- Vanity Fair size guide, read on 2026-09-18.