This online calculator is designed to calculate the required amount of concrete to fill the footing.
Volume of concrete Footer = [ (ow × ol) − (iw × il) ] × t
- ol – Outside Length
- ow – Outside Width
- il – Inside Length
- iw – Inside Width
- t – Thickness
Note. This statistical calculator of concrete footing volume is provided for your personal use and should be used as a guide only. Construction and other decisions should NOT be based on the results of this calculator. Although this calculator has been tested, we cannot guarantee the accuracy of its calculations or results.