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`V = f( L , W , T , H )`

Enter a value for all fields

The **Concrete Needed for a Poured Foundation** calculator computes the volume of concrete in a poured rectangular foundation (e.g. the foundation under a rectangular house/building).

**INSTRUCTIONS:** Choose units and enter the following:

- (
**L**) Outer Length of Foundation - (
**W**) Outer Width of Foundation - (
**H**) Height of Foundation - (
**T**) Thickness of Foundation

**Volume (V):** The volume of concrete is returned in cubic yards, and the surface area of the forms in square feet, and the equivalent number of 4'x8' sheets needed for the forms.

The MASONRY suite includes collections of functions associated with product estimations on projects done with brick, block, concrete and rebar.

The following functions apply to estimating the amount of concrete, rebar, form boards and water needed for concrete slabs of different shapes: rectangular with squared corners, circular including semi-circle, and polygon shapes from triangular up (e.g., pentagon for 5 sides and dodecagon for 12 sided polygon).

**Rebar and Concrete in a Slab**: Computes the total length and weight of rebar and the volume and weight of concrete needed for a rectangular slab, taking into account the concrete displaced by the rebar.**Concrete in Rectangle Slab**: Computes the volume of concrete in a rectangle (squared corners) slab based on the dimensions. It includes the volume of concrete in cubic yards and the equivalent volume in bags of concrete. It also includes the surface area, length of form boards, and the water requirement.**Slab Weight**: Computes the weight, volume of concrete and surface area of a rectangle slab based on the length, width and depth of the concrete of the slab and the density of concrete.**Weight of Slab with Rebar**: Computes the weight of a rectangle slab with rebar based on the length, width and depth of the concrete of the slab, the density of concrete and the size and spacing of rebar. It includes total weight (concrete and rebar), and the contribution of weight from rebar and concrete separately.**Slab Area and Perimeter**: Compute the surface area and perimeter of a rectangular slab based on the dimensions.

**Volume of Circular Slab:**Computes the slab surface area, perimeter and cubic yards of concrete in a circular slab based on the diameter and depth. It also provides, the equivalent volume in 80lb, 60lb and 40lb bags of concrete and the water requirement.**Circular Slab Weight**: This computes the weight of the concrete in a circular slab based on the diameter, depth and density of concrete.**Rebar and Concrete in a Circular Slab**: This computes the length and weight of rebar in a rectangular slab. It also computes the total weight of the slab including concrete, taking into account the concrete displaced by rebar.**Semi-Circle Slab Volume**: Computes the volume of concrete needed for a semi-circular slab based on the radius and depth.**Semi-Circle Slab Weight**: Computes the weight of concrete in a semi-circular slab based on the radius, depth and density of concrete.

**Concrete in Polygon Slab:**Computes the surface area and cubic yards of concrete for a polygon slab based on the dimensions and depth. It also provides the equivalent volume of concrete in 80lb, 60lb and 40lb bags of concrete.

**Concrete Weight**: Computes the weight of a specified volume (e.g., 2.3 cubic yards) of concrete.**Price of Delivered Concrete:**Computes the price of delivered concrete based on the volume, price per cubic yard, pumping cost, delivery distance, and mileage.**Water Needed for Concrete:**Compute the amount of water needed to make a volume of concrete.**Concrete Displaced by Rebar:**Computes the volume of concrete displaced by a length of rebar based on the length and size of rebar.

**Brick or Block Wall:**Computes the number of brick or block needed for a wall based on dimensions.**Bricks or Blocks in a Wall**: Computes the number of standard U.S. brick or block needed for a wall using feet and inches.**European Brick or Block in a Wall**: Computes the number of standard European bricks or block in a wall using meters and centimeters.**Custom Stone in a Wall:**Computes the number of masonry units (stone, block or stone) in a wall based on the dimensions of the wall and the dimensions of the units and the thickness of the mortar joints. It also returns the number of rows needed and the number of stone per row.**Concrete, Rebar and Forms for Wall:**Computes the volume of concrete, amount of rebar and the surface area of forms for a concrete wall.

**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**: Compute the volume of concrete, the square feet of the forms and the number of 4'x8's needed for the forms.**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 Footer (Cross Section)**: Computes the volume of concrete for a footer based on the length and cross-section area of a 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.