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Home / Bra Size Calculator

The Bra Size Calculator

Research shows that approximately 80% of women are wearing the wrong bra size. Here at Knicker Locker we want to change that statistic and help you find the right size that will make you feel comfortable and supported throughout the day.

We have devised a simple questionnaire that will help you find out whether you are wearing the correct bra size. It might be a good idea to wear your best fitting bra and examine it whilst answering these questions.

Step 1

What bra size are you wearing?

Step 2

Have you got any bulging at the top of the cups?

Yes No

Step 3

Where are your wires sitting on your breast bone?

they sit flat they dig in there's a gap

Step 4

How much of a gap is there between the wire and the breast bone?

no gap 0.5 - 1cm 1 - 2cm 2 - 3cm

Step 5

Is there any creasing in the cups?

Yes No

Step 6

If yes, approximately how much fabric is spare?

up to 1cm up to 2cm up to 3cm 3cm +

Step 7

How does your band size feel across your back?

It's riding up a lot It's riding up It sits straight It's digging in/pulling down It's digging in with red marks

The Result

We believe you are wearing the correct bra size

With the answers you have provided, we recommend you try size...

SHOP YOUR SIZE

Want to try again?

The bra test is only an estimate to help guide you towards a better fit. It is very common for a lot of women to increase in the cup size but go down in the back size. If you are unsure about anything and would like to discuss your size further please email us on help@knickerlocker.com or call us on 01305 858847.

Try Again