Natural Stone Calculations

Natural Stone Calculations
Material Weight of Lbs per Cubic Foot
Wisconsin Limestone
                outcropping, 8″ cut drywall, flagstone, and most other natural stone 0.165
Wisconsin Sandstone
                sandy creek, highland brown 0.150
Wisconsin Granite Boulders 0.180
Aqua Blue Boulders 0.200

To Calculate weight of a piece of stone:
For anything Square or Rectangular
Length x width x height (in inches) ÷ 1.728 x (weight of pounds per cubic foot) = lbs per stone

For anything circular
To calculate weight of each piece of stone:
Length x width x height (in inches) ÷ 1.728 x (weight of pounds per cubic foot) / 4 x 3.1416 = lbs per stone