US to UK bra size
The short answer
By the formula, US 34G is UK 34F. On brand charts the most common answer is 34F (10 of 12 brands), and 2 different answers are in print.
The formula and the brands' most common answer agree on every size below. Use the brand's own number for the brand you are buying.
| US | UK by formula | Most brands print | Other answers in print |
|---|---|---|---|
| 34A | 34A | 34A (5 of 5) | not published |
| 34B | 34B | 34B (8 of 8) | not published |
| 34C | 34C | 34C (8 of 8) | not published |
| 34D | 34D | 34D (12 of 12) | not published |
| 34DD | 34DD | 34DD (11 of 12) | 34E: PrimaDonna |
| 34DDD | 34E | 34E (10 of 11) | 34F: PrimaDonna |
| 34G | 34F | 34F (10 of 12) | 34G: Bras N Things, PrimaDonna |
| 34H | 34FF | 34FF (9 of 11) | 34G: Triumph; 34H: PrimaDonna |
| 34I | 34G | 34G (8 of 10) | 34H: Triumph; 34I: PrimaDonna |
| 34J | 34GG | 34GG (8 of 9) | 34J: PrimaDonna |
| 34K | 34H | 34H (8 of 9) | 34K: PrimaDonna |
| 34L | 34HH | 34HH (8 of 9) | 34L: PrimaDonna |
| 34M | 34J | 34J (8 of 9) | 34M: PrimaDonna |