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How to measure bra size at home

What you need:

A soft tape measure, a mirror and a non-padded/lightly-padded bra (or you can go braless). Just make sure you’re not wearing a push up bra or a sports bra.

Step 1: Measure underbust

  • Measure around your ribcage where a bra band normally sits. The tape should be snug.
  • Super important: Look in the mirror and check that the tape is level across your back and isn’t drooping.
  • Round up or round down to the nearest whole number in inches or cm.
  • Repeat this step a few times to confirm the number you get.

Step 2: Measure bust

  • Measure around the fullest part of your breasts, typically where the nipples are. The tape should be wrapped comfortably around your breasts.
  • Super important: Look in the mirror and check that the tape is level across your back and isn’t drooping.
  • Exhale. Don’t hold your breath when measuring.
  • Round up or round down to the nearest whole number in inches or cm.
  • Repeat this step a few times to confirm the number you get.

You can use your underbust and bust measurements in inches to find out what your Soko bra size is (i.e. XS-L) here.

Need more help? See the video below.

Continue with Step 3 and Step 4 if you want to learn how to identify your band size and cup size in general.

Step 3: Identify your band size

Use your underbust measurement from step one to identify your band size. Most brands in Malaysia use this system to determine band size.

Step 4: Identify your cup size

Check each brand's size chart for guidance on cup size. You will likely have to do a quick calculation using both measurements (bust - underbust = X). That difference will correspond to a cup size.

This is where it gets tricky because cup sizes vary across brands. For example, if the difference is 10 cm (~4 inches), that could mean an A cup in one brand versus a D cup in another brand.

Soko currently only carries bra sizes in letter sizing (i.e. XS-L). To find out what your Soko bra size is based on your underbust and bust measurements, please refer to our Size Chart.

Important note

Bra sizes are super confusing across different brands because there is no one universal system. For example, you can be a 32E in one brand and a 32B in another brand. So it’s important to pay close attention to each brand’s size chart. We hope this guide teaches you how to measure your underbust and bust properly as you will likely need these two measurements to identify your bra size regardless what brand you buy from.