The Concrete Needed for a Foundation calculator computes the volume of concrete in a poured rectangular foundation (e.g. the foundation under a rectangular house/building).
INSTRUCTIONS: Choose your preferred units and enter the following:
Volume: The volume of concrete is returned in cubic yards. However, this can be automatically converted to other volume units (e.g. cubic meters) via the pull-down menu.
For the DIY crowd. The calculator also computes the amount of concrete in different sizes of bags. The output is in volume units (cubic yards as a default) but can be converted to any of the following choices: