Are you working in any Construction site? This Calculator is for you. Based on the shape and size of the area, find an accurate estimate of both the weight and volume of concrete that you need to use for Slabs, Square Footings, Walls, Circular, Slab, Tube, Hole, Column, or Rounding Footing etc. You are highly recommended to buy slightly more than you have estimated you will need, just in case. ➡️  App Features ❶  100% Free app. There is no 'in-app purchase' or Pro offers. Free means absolut