Gravel Driveway Calculator: Tons, Layers and Cost
Calculate gravel for rectangular, flared or two-track driveways with separate base and surface layers, compaction, tons, truckloads and cost.
Foundation Concrete Calculator: Footings, Walls and Slab
Calculate concrete for continuous footings, foundation walls, slabs and round piers, including allowance, whole bags, ready-mix volume and cost.
Sonotube Concrete Calculator: Volume, Bags and Piers
Calculate concrete for round form tubes and piers with multiple sizes, straight or bell bases, whole bags, ready-mix volume, cost and stock-tube cuts.
Roof Pitch Calculator: Angle, Ratio and Rafter Length
Calculate roof pitch, angle, slope percentage, rise, multiplier and rafter line length from rise/run, pitch, angle, percentage or a measured rafter.
Fence Post Concrete Calculator: Holes, Bags and Cost
Calculate concrete for round or square fence-post holes, subtract post displacement, add a gravel base and allowance, and round up to whole bags.