![Bust size](https://cdn11.bigcommerce.com/s-xpcbzfctks/stencil/868bf7d0-5406-013c-5429-3e91a5a1a83f/e/67cb5070-c921-013c-51a2-4ad816eb30ff/img/custom/fit-tool/bra-calculator.jpg)
How to find Your perfect bra size
Fill in the measurements of your band and bust size into the La Perla Size Calculator to find your perfect fit.
![Bust size](https://cdn11.bigcommerce.com/s-xpcbzfctks/stencil/868bf7d0-5406-013c-5429-3e91a5a1a83f/e/67cb5070-c921-013c-51a2-4ad816eb30ff/img/custom/fit-tool/bra-calculator.jpg)
What you'll need before you start:
- Make sure you are wearing a non-padded bra or lightly line bra.
- A tape measure.
- A mirror to check that you're measuring correctly.
Your perfect La Perla bra size is...
UK:
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Your measurements:
Band size -
Bust size -
Measure again
Swimwear
![Swimwear](https://cdn11.bigcommerce.com/s-xpcbzfctks/stencil/868bf7d0-5406-013c-5429-3e91a5a1a83f/e/67cb5070-c921-013c-51a2-4ad816eb30ff/img/custom/fit-tool/swimwear.jpg)
Loungewear
![Loungewear](https://cdn11.bigcommerce.com/s-xpcbzfctks/stencil/868bf7d0-5406-013c-5429-3e91a5a1a83f/e/67cb5070-c921-013c-51a2-4ad816eb30ff/img/custom/fit-tool/loungewear.jpg)
Still need help?
To book an appointment with one of our fitting experts, please contact a store that is convenient for you.