US Size 42D in AU — Women's Bras
US 42D =
AU 20D
United States (US) women's bras size 42D converts to Australian (AU) size 20D. This is a standard conversion used across most major bras brands and retailers.
When shopping from Australian brands like Berlei, Bonds, Bras N Things, look for size 20D 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 (US 42C) is AU 20C, and one size up (US 42DD) is AU 20DD. 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 Australian retailers or ordering United States-sized products from brands like Victoria's Secret or ThirdLove to ship internationally.
Quick Converter
US 42D =
AU 20D
Full US to AU Women's Bras Size Chart
| US | AU |
|---|---|
| 30A | 8A |
| 30B | 8B |
| 30C | 8C |
| 30D | 8D |
| 30DD | 8DD |
| 32A | 10A |
| 32B | 10B |
| 32C | 10C |
| 32D | 10D |
| 32DD | 10DD |
| 32DDD | 10E |
| 34A | 12A |
| 34B | 12B |
| 34C | 12C |
| 34D | 12D |
| 34DD | 12DD |
| 34DDD | 12E |
| 36A | 14A |
| 36B | 14B |
| 36C | 14C |
| 36D | 14D |
| 36DD | 14DD |
| 36DDD | 14E |
| 38A | 16A |
| 38B | 16B |
| 38C | 16C |
| 38D | 16D |
| 38DD | 16DD |
| 38DDD | 16E |
| 40A | 18A |
| 40B | 18B |
| 40C | 18C |
| 40D | 18D |
| 40DD | 18DD |
| 40DDD | 18E |
| 42A | 20A |
| 42B | 20B |
| 42C | 20C |
| 42D | 20D |
| 42DD | 20DD |
| 42DDD | 20E |
Frequently Asked Questions
- What is US women's bras size 42D in AU?
- US women's bras size 42D is equivalent to AU size 20D.
- Is US size 42D the same as AU size 20D?
- Yes, US size 42D and AU size 20D are equivalent in women's bras sizing. However, fit may vary slightly between brands.
- What if US size 42D is too small — what's the next size up in AU?
- The next size up from US 42D is US 42DD, which converts to AU 20DD.