MATERIAL CALCULATOR Use this material calculator to estimate bulk stone or sand quantities. Material required for a rectangle or square Select Product: - - - - - - - Gravel Sand Stone Topsoil Enter width of area in feet: (W) Enter length of area in feet: (L) Enter thickness in inches: Estimated Cubic Yards: Estimated Tons: Material required for a circle Select Product: - - - - - - - Gravel Sand Stone Topsoil Enter diameter in feet: (d) Enter thickness in inches: Estimated Cubic Yards: Estimated Tons: Material required for a triangle Select Product: - - - - - - - Gravel Sand Stone Topsoil Enter width of base in feet: (W) Enter length of triangle in feet: (L) Enter thickness in inches: Estimated Cubic Yards: Estimated Tons: