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