how many bags of concrete do i need for 12x12x12 3 deep patio?

4 Comments on “how many bags of concrete do i need for 12x12x12 3 deep patio?”

1. it would work better with bags of broken glass.

2. look here –> http://www.quikrete.com/calculator/main.asp

3. 80 – sixty pound bags of concrete

4. Hope this patio ideas help you