AU Size 20DD in US — Women's Bras
AU 20DD =
US 42DD
Australian (AU) women's bras size 20DD converts to United States (US) size 42DD. This is a standard conversion used across most major bras brands and retailers.
When shopping from United States brands like Victoria's Secret, ThirdLove, Wacoal, look for size 42DD on the label. Keep in mind that sizing can vary slightly between brands, so always check the specific brand's size chart if available.
For reference, one size down (AU 20D) is US 42D, and one size up (AU 20E) is US 42DDD. If you're between sizes, most fitting guides recommend sizing up for comfort.
This conversion is especially useful for international shoppers purchasing women's from United States retailers or ordering Australian-sized products from brands like Berlei or Bonds to ship internationally.
Quick Converter
AU 20DD =
US 42DD
Full AU to US Women's Bras Size Chart
| AU | US |
|---|---|
| 8A | 30A |
| 8B | 30B |
| 8C | 30C |
| 8D | 30D |
| 8DD | 30DD |
| 10A | 32A |
| 10B | 32B |
| 10C | 32C |
| 10D | 32D |
| 10DD | 32DD |
| 10E | 32DDD |
| 12A | 34A |
| 12B | 34B |
| 12C | 34C |
| 12D | 34D |
| 12DD | 34DD |
| 12E | 34DDD |
| 14A | 36A |
| 14B | 36B |
| 14C | 36C |
| 14D | 36D |
| 14DD | 36DD |
| 14E | 36DDD |
| 16A | 38A |
| 16B | 38B |
| 16C | 38C |
| 16D | 38D |
| 16DD | 38DD |
| 16E | 38DDD |
| 18A | 40A |
| 18B | 40B |
| 18C | 40C |
| 18D | 40D |
| 18DD | 40DD |
| 18E | 40DDD |
| 20A | 42A |
| 20B | 42B |
| 20C | 42C |
| 20D | 42D |
| 20DD | 42DD |
| 20E | 42DDD |
Frequently Asked Questions
- What is AU women's bras size 20DD in US?
- AU women's bras size 20DD is equivalent to US size 42DD.
- Is AU size 20DD the same as US size 42DD?
- Yes, AU size 20DD and US size 42DD are equivalent in women's bras sizing. However, fit may vary slightly between brands.
- What if AU size 20DD is too small — what's the next size up in US?
- The next size up from AU 20DD is AU 20E, which converts to US 42DDD.