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Online Bra Size Calculator

Use our online Bra Size Calculator below to help determine your bra size. According to most sources 70% - 80% of women are wearing the wrong size bra.

To get the best and most accurate size have a friend or partner help you with the measuring as it can be a little awkward to measure on your own.

You will need to make two measurements.

Make the measurements whilst wearing an un padded comfortable bra. Take all measurements in inches. Round up or down to the nearest whole inch.

Another great way to get measured at home is to use our Bra Size Tape Measure which comes with a 21 day money back guarantee. It measures from 32AA - 44G.

Note: All online bra size calculators only produce a guide measurement. Its always best to get professionaly measured.

Measure Under Bust Measure just under the bust keeping the tape measure straight.

Enter Under Bust Size in Inches.


Measure Full Bust Measure around the fullest part of your bust keeping the tape straight.

Enter Full Bust Size in Inches