This soil volume weight calculator for rectangular holes computes hole volume in cubic feet and gallons and the weight and volume of soil removed.

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    rectangular hole volume weight calculator
    Rectangular Hole Calculator

    Soil Volume Weight Calculator for Rectangular Holes

    by Titus Nelson, PE

    Inventor of the Holey-Moley Digger

    Use the following Rectangular Hole Volume Weight Calculator to determine the volume of a rectangular hole. The output is in (cubic feet) and (gallons).  In addition the dirt removed is shown in pounds. The new volume in (cubic feet) and (gallons) is also computed based on soil swell factor.  The calculated numbers can be used to determine the amount of dirt that a Shop Vacuum will have to remove in Cubic Feet and Gallons and  Soil Weight in pounds.

    These numbers are useful when selecting a shop vacuum as described in the blog article on Selecting The Best Hole Digging Shop Vacuum and for determining the size of a Shop Vacuum for digging holes.  Also see the blog page on Digging Deep, Straight, Uniform Holes with a Shop-Vac for more information.

    Soil Hole Volume Weight Calculator for Rectangular Holes

    This calculator outputs the hole volume in cubic feet and gallons, dirt weight in pounds, based on selected densities and input hole dimensions. It also provides removed soil volume based on selected soil swell factors.

    Input – Select Density

    1. Select Soil Type for Density

    2. Select Soil Type (same as above) for Swell factor

    Input – Hole Length, width, depth

    3. Input Hole Length in inches

    4. Input Hole Width in inches

    5 Input Hole Depth in inches

    Output (Volume)

    1. Hole Volume – Cubic Feet

    2. Hole Volume – Gallons

    Output (Weight)

    3. Soil Weight – Pounds

    Swell Volume (increased volume after removal from hole)

    4. Soil Volume – Cubic Feet

    5. Soil Volume – Gallons


    This Volume Weight Calculator makes it easy to calculate the volume of a rectangular hole, the weight and volume of soil removed from the hole, which can be helpful when using a Portable Vacuums and for determining the size of a shop vacuum canister required to hold the removed soil.

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