Marks & Spencer to True & Co bra size
The short answer
Marks & Spencer 34C is True & Co M by the two brands' own charts.
The target brand sells lettered sizes that each cover a block of band and cup sizes.
| Marks & Spencer | True & Co, by chart | Same label | True & Co also prints |
|---|---|---|---|
| 34AA | XS | not published | not published |
| 34A | S | not published | not published |
| 34B | S | not published | not published |
| 34C | M | not published | not published |
| 34D | M | not published | not published |
| 34DD | M | not published | not published |
| 34E | L | not published | not published |
| 34F | not made | not published | not published |
| 34G | not made | not published | not published |
| 34GG | not made | not published | not published |
| 34H | not made | not published | not published |
| 34J | not made | not published | not published |
| 34K | not made | 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
- Marks & Spencer size guide, read on 2026-09-18.
- True & Co size guide, read on 2026-09-18. True & Co on TrueToSize