![Bust size](https://cdn11.bigcommerce.com/s-iowjykdv7d/stencil/046b6a40-540f-013c-f8b7-12df6d842054/e/ec920b30-5262-013c-6b6e-02c733172bd2/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-iowjykdv7d/stencil/046b6a40-540f-013c-f8b7-12df6d842054/e/ec920b30-5262-013c-6b6e-02c733172bd2/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...
IT:
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Your measurements:
Band size -
Bust size -
Measure again
Swimwear
![Swimwear](https://cdn11.bigcommerce.com/s-iowjykdv7d/stencil/046b6a40-540f-013c-f8b7-12df6d842054/e/ec920b30-5262-013c-6b6e-02c733172bd2/img/custom/fit-tool/swimwear.jpg)
Loungewear
![Loungewear](https://cdn11.bigcommerce.com/s-iowjykdv7d/stencil/046b6a40-540f-013c-f8b7-12df6d842054/e/ec920b30-5262-013c-6b6e-02c733172bd2/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.
Uncomfortable bra? Follow
our guide to check if your bra fits
How to check if your bra fits
![Bra fit tool](https://cdn11.bigcommerce.com/s-iowjykdv7d/stencil/046b6a40-540f-013c-f8b7-12df6d842054/e/ec920b30-5262-013c-6b6e-02c733172bd2/img/custom/fitting-room/bottom/01_bottom_does-your-bra-fit.jpg)
Discover the right bra
style for you
Explore
Need more help? Book an
appointment with a La Perla expert
Book an appointment
![La Perla store](https://cdn11.bigcommerce.com/s-iowjykdv7d/stencil/046b6a40-540f-013c-f8b7-12df6d842054/e/ec920b30-5262-013c-6b6e-02c733172bd2/img/custom/fitting-room/bottom/03_bottom_appointments.jpg)