Crushed Stone Calculator
· Here''s how you can use the crushed stone calculator: Select your surface shape, e.g., Rectangular. In surface length, enter the length of your surface, e.g., 12 feet. In surface width, enter the width of your surface, e.g., 8 feet. Now, enter in depth, how deep do you want to fill the layout of your surface, e.g., 3 inches.