Bra size conversion

Use this page to convert your bra size from one sizing scale to another. If you need help finding your starting size, please refer to the links below for more fitting help.

You can use this tool to change your bra size to another sizing system or to figure out what cup size to choose if you go up or down a band size.

  1. Choose your sizing system (written inside your bra label)
  2. Choose your bra size
  3. Look below for the size equivalents

It’s that easy!

Convert your bra size

Choose the sizing system you want to convert to, and then choose your bra size:

Size for going up or down in band size:
Smaller Band Current Band Larger Band
Your bra size in other sizing systems:
UK US France