Utility Loft → Bra Size → International Conversion
International Bra Size Conversion
Bra sizing changes by country in two ways — the band number and the cup letter. Enter your size to convert, or use the reference charts below.
Measure the underbust snugly around your ribcage, and the bust around the fullest part, both level to the floor.
Enter your measurements above to get your bra size in every standard.
Band conversion (by country)
| US / UK | EU | France / Spain | Australia / NZ |
|---|---|---|---|
| 28 | 60 | 75 | 6 |
| 30 | 65 | 80 | 8 |
| 32 | 70 | 85 | 10 |
| 34 | 75 | 90 | 12 |
| 36 | 80 | 95 | 14 |
| 38 | 85 | 100 | 16 |
| 40 | 90 | 105 | 18 |
| 42 | 95 | 110 | 20 |
| 44 | 100 | 115 | 22 |
| 46 | 105 | 120 | 24 |
Cup conversion (by country)
| Bust − band | US | UK | EU / FR | Australia |
|---|---|---|---|---|
| 0" | AA | AA | AA | AA |
| 1" | A | A | A | A |
| 2" | B | B | B | B |
| 3" | C | C | C | C |
| 4" | D | D | D | D |
| 5" | DD | DD | E | DD |
| 6" | DDD | E | F | E |
| 7" | G | F | G | F |
| 8" | H | FF | H | FF |
| 9" | I | G | I | G |
| 10" | J | GG | J | GG |
Standard approximations. Cup lettering above D varies between brands and countries — check the label's guide when possible.
Related
Frequently asked questions
How do US bra sizes convert to EU?
The band converts from inches to a centimeter number (US 34 = EU 75), and the cup letter shifts above D (US DD = EU E, US DDD = EU F). So a US 34DD is an EU 75E.
What is my US size in UK sizing?
The band number is identical (a US 36 is a UK 36). Cup letters match through D, then differ: US DDD = UK E, US G = UK F, and so on. Enter your size above to convert exactly.
Are French and EU bra sizes the same?
The cup letters match, but the band number differs — French bands run 15 higher than EU (EU 75 = French 90). So an EU 75C is a French 90C.
How do Australian bra sizes work?
Australia and New Zealand use dress-style band numbers (10, 12, 14…) that equal the US inch band minus 22, while the cup letters largely follow UK sizing. A US 34C is an AU 12C.