How Do You Know a Girl's Cup Size?

What Size Bra to Buy?

  1. Run a tape measure just under your breasts, all the way around your back and ribcage. ...
  2. Make a note of your measurement and add 5 inches. ...
  3. To measure cup size, take the tape measure around your body across the fullest part of your breasts.

How do you find a cup size?

How to Measure Your Cup Size

  1. Take a loose measurement around the fullest part of your bust.
  2. Subtract your band size from your bust size. The difference between the two will determine your cup size.

How do you know if your an A or B cup?

If your bust measurement and band measurement are the same number, you're an AA cup. If there's a 1-inch difference between bust and band you're an A cup; 2-inch difference is a B cup, 3 inches is a C cup, 4 inches is a D cup, and so on.
Sarah Jenkins

Sarah Jenkins

Senior Technology Editor & AI Specialist

Sarah Jenkins is a veteran tech journalist with over 12 years of experience covering artificial intelligence, mobile innovations, and digital ethics. Her insights have appeared in leading technology publications worldwide.

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