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Topsoil and Mulch Calculator

Landscape materials such as topsoil, mulch, and river rock are commonly sold by the rough yard, or partial yard. A yard of material is 27 cubic ft. In other words a 9'x3'x1' space.

Enter the area and the desired thickness of topsoil or mulch and click on "Calculate."
(see right for area calculation hints)

 
Enter Total Area Here:
 square feet
 
Enter Desired Thickness of Topsoil
or Mulch Here:  inches
 

 
Total Cubic Yards Needed:
 
 
 

Area Calculations: Draw your site as accurately as possible to scale.

Use the following formulas to determine area:

Rectangle: Area = length x width

Circle: Area = 3.1416 x the square of the radius

Triangle: Area = 1/2 x length of base x length of height

Hint: If you are measuring odd or complex shapes, divide the area into combinations of rectangles, triangles, and/or circles. Measure these smaller areas and total the areas for them.

Hint: To determine topsoil requirements for areas of varying grade you may have to estimate an average fill depth.


Arbor Farms Nursery--2010

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