US to EU bra size
A US 34C is an EU 75C. US bra sizes convert to EU by swapping the band number for the underbust in centimetres: a US 34 becomes an EU 75. Cups match through D, then US DD becomes EU E.
US 34CUS
an EU 75CEU
Cups A–Dmatch
US to EU band conversion
| US | EU |
|---|---|
| US 30 | EU 65 |
| US 32 | EU 70 |
| US 34 | EU 75 |
| US 36 | EU 80 |
| US 38 | EU 85 |
Full reference: all systems
| US | EU | UK | FR | Underbust |
|---|---|---|---|---|
| 28 | 60 | 28 | 75 | 63–67 cm |
| 30 | 65 | 30 | 80 | 68–72 cm |
| 32 | 70 | 32 | 85 | 73–77 cm |
| 34 | 75 | 34 | 90 | 78–82 cm |
| 36 | 80 | 36 | 95 | 83–87 cm |
| 38 | 85 | 38 | 100 | 88–92 cm |
| 40 | 90 | 40 | 105 | 93–97 cm |
Cup letters
| US | UK | EU |
|---|---|---|
| A | A | A |
| B | B | B |
| C | C | C |
| D | D | D |
| DD | DD | E |
| DDD | E | F |
Band and cup are linked, so never convert one without the other. If the converted size feels off, try a sister size — one band down with one cup up (or the reverse) keeps the same cup volume with a different band fit. Brands also vary enough that trying both neighbouring sizes is normal, not a sign the chart is wrong.
Frequently asked questions
What is a US 34C in EU bra size?
An EU 75C.
How do I convert US bra size to EU?
Replace the band number with its centimetre equivalent (30→65, 32→70, 34→75, 36→80, 38→85). Cups stay the same through D; US DD becomes EU E.