Q. I’d like to build a backyard concrete patio to replace a rotting deck. The patio would be about 18 by 10 feet. How do I ...

This concrete calculator will give you the volume of your desired structure in cubic yards and meters. And it calculates the weight of concrete you need, and the number of 60-lb. and 80-lb. bags of ...

This allows construction professionals to calculate the amount (in cubic yards or number of 60- or 80-lb. bags) of concrete required for square or rectangular slabs, circular concrete slabs, and ...