CalculateConverter.com

Bra Size Calculator

Enter your measurements to find your US/UK bra size. Follow the graphic guide for accurate measuring.

Bra Size Calculator

Measure snugly around your ribcage, just under your bust.

Measure loosely around the fullest part of your bust.

How to Measure

bust sizeband size

1. Fullest Bust: Keep the tape parallel to the floor and measure around the fullest part of your breasts.

2. Underbust (Band): Wrap the measuring tape snugly right under your bust where the bra band sits.

Cup Size Calculation:

Cup Size = (Bust) - (Underbust)
0" = AA, 1" = A, 2" = B, 3" = C, 4" = D, 5" = DD...