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The Bra Fit Guide

The Bra Fit Guide

Measuring Your
Bra Size

Buying a better fitting bra means knowing that breast size varies over time. At Target, we recommend you check your measurements yearly to ensure you’re wearing the correct size.

You can easily determine your body and cup size in two simple measurements with the Target bra size calculator.

More bra fit tips

Measuring yourself is just the starting point. Work out a better bra fit by referring to these tips:

Checklist for a better fitting bra >

Bra Fitting problems & solutions >

Sizing Chart

Use this sizing chart as a simple guide to moving up and down band size to find a better fit.

The Bra Fit Guide

Cup sizes are not related to body sizes. If you’re a 12B but prefer a firmer fit, consider the sister size 10C (which has the same cup size as the 12B with a smaller band size).

Conversion Chart

If you previously purchased bras internationally, you can use this guide to convert the under band measurement.

Australia UK / USA Asia /
France / Spain /
10 32 70 85
12 34 75 90
14 36 80 95
16 38 85 100
18 40 90 105
20 42 95 110
22 44 100 115
24 46 105 120
26 48 110 125

Bra Size Calculator

Find a better fit with the bra size calculator

Follow the instructions to work out your underbust and overbust size, then enter these into the calculator. Measure yourself under clothing using a regular tape measure while wearing your best fitting bra.

The Bra Fit Guide

Underbust (band) size

Measure around your body with the tape placed firmly under your bust. This measurement should be similar to the blouse size you wear. At Target, we have bras in body sizes 8–26.

The Bra Fit Guide

Bra cup size

Measure your cup size by placing the tape firmly (without squashing) around your chest at the fullest part of your bust. At Target, we have bras in cup sizes A to G.


Congratulations, you have found your perfect fit!


Sorry, no matching size found.

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