How To Figure Out Your Bra Size

Did you know that around 80% of women are wearing the wrong bra size?

Use our bra calculator to find an estimated UK bra size and have you feeling the magic of a proper fit! 

Take note: While this method of sizing is usually accurate, the measuring tape doesn’t always tell the truth.

Bra size and the bra fitting process often requires professional judgement so be sure to check out the “Fit Tips” tab on each individual product page. 

We are here to help - Contact Us or use the Live Chat feature in the bottom right corner of your browser.

Check out our Bra Fitting 101 page for more information about finding your perfect fit or find more tips on our Social Media

Measure for Band Size


Keeping the measuring tape parallel with the floor, measure around your body and underneath your bust where the base of your breasts meet your body.

Make sure you are not holding your breath while you are taking the measurement. Type the number (in inches) from the measuring tape into the box below.

Measure for Cup Size


Keeping the measuring tape parallel with the floor, measure around the fullest part of your bust. Relax your arms at your side and make sure you are not holding your breath.

For the most accurate results, take this measurement while wearing your best fitting bra. Type the number (in inches) from the measuring tape into the box below, then click "Submit"