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Quantity/Volume Calculators for Concrete
(Imperial)

These calculators are intended to allow you to calculate the imperial volume of concrete required for paths etc.

Three calculators are provided, the first for rectangle areas of concrete, the second for circular areas and the final one for triangular areas.

Rectangular calculator.
Circular calculator.
Triangular calculator.

See also our metric calculators.


Rectangular volume calculator

Squares and rectangles

For a simple rectangle, just use the length and width with the thickness in the calculator left.

For irregular, basically square areas,

  • Breakdown the area into a number of simple rectangular areas.
  • Workout the volume for each area separately.
  • And finally add the separate volumes together.
Enter the dimensions of the rectangle to be concreted:
 
Length
 feet
Width
 feet
Thickness
 inches


You will need approximately.....

yds³ of concrete  

Note: This is the volume of the work space and does not take into account the concrete 'shrinkage'



Circular volume calculator

triangular shape

For triangular shapes, work out the height and base of the triangle and use with the thickness in the calculator left.

The 'height' is the distance between an angle and the opposite side where a line meets the side at right angles. The side it meets is the 'base'.

 

Enter the radius of the circle to be concreted:
 
Radius  feet
Thickness  inches


You will need approximately.....

yds³ of concrete
 


Note: This is the volume of the work space and does not take into account the concrete 'shrinkage'


Triangular volume calculator

triangular shape

For triangular shapes, work out the height and base of the triangle and use with the thickness in the calculator left.

The 'height' is the distance between an angle and the opposite side where a line meets the side at right angles. The side it meets is the 'base'.

 

Enter the dimensions of the triangular areas to be concreted:
 
Base  feet
Height
 feet
Thickness
 inches


You will need approximately.....

yds³ of concrete  


Note: This is the volume of the work space and does not take into account the concrete 'shrinkage'