AU Size 20D in US — Women's Bras
AU 20D =
US 42D
Australian (AU) women's bras size 20D converts to United States (US) size 42D. 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 42D 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 20C) is US 42C, and one size up (AU 20DD) is US 42DD. 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 20D =
US 42D
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 20D in US?
- AU women's bras size 20D is equivalent to US size 42D.
- Is AU size 20D the same as US size 42D?
- Yes, AU size 20D and US size 42D are equivalent in women's bras sizing. However, fit may vary slightly between brands.
- What if AU size 20D is too small — what's the next size up in US?
- The next size up from AU 20D is AU 20DD, which converts to US 42DD.