The Volume of a Concrete Footer calculator computes the volume of concrete in a footer.
INSTRUCTIONS: Choose units and enter the following:
(L) Length of Footer
(W) Width of Footer
(D) Depth of Footer
Concrete volume in footer (V): The calculator returns the volume of concrete in cubic yards. However this can be automatically converted to compatible units via the pull-down menu. The calculator also returns the equivalent volume in number of bags of concrete in different bag sizes:
40lb bags
60lb bags
80lb bags
The Math / Science
The volume of concrete in a footer is computed as follows:
Blocks in a Foundation: Computes the number of blocks needed for a foundation based on the dimensions of the foundation and the size of the blocks with a standard size mortar joint.
Concrete in a Poured Foundation: Computes the volume of concrete, the square feet of the forms and the number of 4'x8's needed for the forms.
Concrete in a Wall: Computes the volume of concrete in a wall based on the dimensions.
Concrete in a Footer: Computes the volume of concrete for a footer based on the length, width and depth of the footer.
Concrete in a Pier: Computes the volume of concrete in a circular pier based on the radius and depth of the pier.
Piers for a Building: Computes the number of piers and volume of concrete need for the piers of a building (e.g., pole barn) base on the building dimensions, pier spacing, diameter and depth.
Concrete around Circular Post: Computes the volume of concrete around a number of round posts in a round hole based on the size of the hole and dimensions of the post.
Concrete around Square Post: Computes the volume of concrete around a number of square post (e.g., 6x6) in round hole based on the dimensions of the post, depth and width of the round hole.