Bra Size Calculator Worldwide

Find your perfect international bra size easily using band and bust measurements. Quick, simple, and accurate sizing used worldwide.

Bra Size Calculator

Stand in front of a mirror wearing a non-padded bra. Wrap a soft measuring tape around your body.

Step 1: Your Band Size

Keep the tape snug around your ribcage, right under your bust. This is your band size.

Step 2: Your Bust Size

Measure around the fullest part of your bust while keeping the tape level and relaxed.

Choose measurement system

Step 3: Calculate Size

Click below to calculate your US bra size instantly.

Top USA Bra Brands

Shop comfortable and high-quality bras from popular US lingerie brands.

  • Victoria’s Secret
  • Aerie (American Eagle)
  • Calvin Klein
  • Wacoal America
  • ThirdLove

Explore more lingerie brands and find your perfect fit with our bra size calculator above.