Binder - is a concrete calculator that will help to estimate the amount of ready mix cement and premixed bags you need for different projects. Makes easy to calculate the cubic yards or feet or meters needed for a variety of structures - including slabs, walls, footings and columns. Calculates the amount of 40#, 60# and 80# bags of premixed concrete you will need. Furthermore, you can set the price per volume unit or per package to estimate expenses.