Home ยป Bulk Materials Calculator Bulk Materials Calculator Choose Your Material Material: Compost Mulch Stone Top Soil Shape: Square/Rectangle Circle Torus (Donut) Triangle Dimensions Length (ft): Width (ft): Depth (in): Diameter (ft): Depth (in): Pool Diameter (ft): Border Width (ft): Depth (in): Length (ft): Height (ft): Depth (in): How Much You'll Need 40 lb Bags Cubic Yards Midsize Pickup Loads