The best way to describe this concrete calculator can be summed up in to one word - “simple”.
There are a total of four concrete calculators that are available. These 4 are Post Hole (round or square posts), Square Slab, Round Slab and Stairs.
Each calculator has outputs of cubic feet and cubic yards, rounded to two decimal places. With these outputs, there is also a display for the number of 60lb and 80lb bags needed based on the measurements that have been calculated.