The Afraid To Ask Breast Guide - Determining The Correct Bra Size

The Breast Guide from AfraidToAsk.com - determining correct bra size: http://www.afraidtoask.com/breast/breastmeasuringcup.html

Or alternatively go to:
http://www.afraidtoask.com/breast/
Go to the menu on the left and select "Size & Shape" and then click on the link "standardized technique"