Simple Concrete Calculator App’s
Simple Concrete App’s can help your contractor calculate quantities and in the long run save the client money.
Download your Free Concrete Calculator from your App Store:
Calculates the quantities of materials required for construction of concrete slabs, beams, columns, footings and trapezoidal footings in cubic meters and cubic feet.
FYI, its aways a good idea to add a little extra as you don't want to pay for a "One Yard Cleanup"