Calculate Cement For Post Holes
Calculate Cement For Post Holes . This calculator will resize automatically to fit on your desktop or mobile device. If you want to calculate the volume of concrete required for a rectangular slab, use the rectangular slab calculator. Concrete Calculator Round Hole CULCAL from culcal.blogspot.com Multiply ½ hole diameter (in feet) squared, x 3.14 x concrete collar depth (in feet) times hole number, divided by 27. Choose round column (or round slab) on the calculator. Enter the required number of holes needed plus the diameter and depth of the hole in inches.