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