Mulch CalculatorEstimate how much mulch is required for a given area at a specified depth.Square/RectangleCircle Inputs Area in Square Feet: Depth in Inches: One Inch Two Inch Three Inch Four Inch Outputs Cubic Yards of Mulch: Number of 2 Cubic Foot Bags: Number of 3 Cubic Foot Bags: Inputs Diameter in feet: Depth in Inches: One Inch Two Inch Three Inch Four Inch Outputs Cubic Yards of Mulch: