US to AU bra size
The short answer
By the formula, US 34H is AU 12G. On brand charts the most common answer is 12FF (5 of 6 brands), and 2 different answers are in print.
The formula and the brands' most common answer differ on 5 of 13 sizes below. Use the brand's own number for the brand you are buying.
| US | AU by formula | Most brands print | Other answers in print |
|---|---|---|---|
| 34A | 12A | 12A (5 of 5) | not published |
| 34B | 12B | 12B (6 of 6) | not published |
| 34C | 12C | 12C (6 of 6) | not published |
| 34D | 12D | 12D (7 of 7) | not published |
| 34DD | 12DD | 12DD (7 of 7) | not published |
| 34DDD | 12E | 12E (6 of 6) | not published |
| 34G | 12F | 12F (6 of 7) | 12G: Bras N Things |
| 34H | 12G | 12FF (5 of 6) | 12G: Triumph |
| 34I | 12H | 12G (4 of 5) | 12H: Triumph |
| 34J | 12I | 12GG (4 of 4) | not published |
| 34K | 12J | 12H (4 of 4) | not published |
| 34L | 12K | 12HH (4 of 4) | not published |
| 34M | not published | 12J (4 of 4) | not published |