Bra Size Calculator

Bra Size Calculator

Underbust

Place the tape and measure around the flat part right under your bust.

Overbust

With a tape, measure around the fullest part of your bust.

Step 1

Calculate band size

  • 1. Wrap the tape snugly around your ribcage under your bust and note the measurement in inches.
  • 2. Round that number to the nearest whole number.
  • 3. If it's even, add 4; if it's odd, add 5.
  • 4. The total is your bra band size.

Step 2

Calculate Bust Size / Cup Size
  • 1. Wrap the tape around the fullest part of your bust and round to the nearest whole number.
  • 2.Subtract your band size from this bust measurement.
  • The difference determines your cup: 1″ = A, 2″ = B, 3″ = C, etc.