21 free tools
Construction calculators
Estimate materials, dimensions, coverage, and project quantities. Every tool includes its formula, an example, and instant private results.
Concrete Calculator
Estimate concrete volume in cubic yards for slabs and footings.
Open calculatorGravel Calculator
Estimate gravel tonnage from length, width, depth, and waste allowance.
Open calculatorMulch Calculator
Estimate mulch volume needed to cover beds at your chosen depth.
Open calculatorSoil Calculator
Estimate topsoil or fill volume for garden and landscaping projects.
Open calculatorSand Calculator
Estimate sand volume for pavers, leveling, or sandbox projects.
Open calculatorAsphalt Calculator
Estimate asphalt tonnage from area, thickness, and compaction factor.
Open calculatorCubic Yard Calculator
Convert project dimensions into total cubic yards needed.
Open calculatorCubic Feet Calculator
Convert length, width, and height into cubic feet of volume.
Open calculatorSquare Footage Calculator
Calculate room or floor area from length and width.
Open calculatorFlooring Calculator
Estimate flooring material needed with waste allowance included.
Open calculatorTile Calculator
Estimate tile count from room area, tile size, and grout spacing.
Open calculatorCarpet Calculator
Estimate carpet square footage including waste for rooms and halls.
Open calculatorRoofing Calculator
Estimate roofing squares from roof area and pitch adjustment.
Open calculatorDrywall Calculator
Estimate drywall sheets from wall area and sheet size.
Open calculatorBrick Calculator
Estimate brick count from wall area, brick size, and mortar gap.
Open calculatorBlock Calculator
Estimate concrete block count for walls and foundations.
Open calculatorLumber Calculator
Estimate board feet or linear feet for framing and trim.
Open calculatorDeck Calculator
Estimate decking boards, joists, and surface area for a deck.
Open calculatorFence Calculator
Estimate posts, panels, and materials for fence length and height.
Open calculatorStair Calculator
Calculate rise, run, and tread count for safe stair dimensions.
Open calculatorInsulation Calculator
Estimate insulation coverage from wall or attic area and R-value.
Open calculatorAbout our construction calculators
CalculatorDepot tools are designed for quick estimates and learning. Inputs stay in your browser, and each page describes the equation behind its result. Check important decisions with a qualified professional when individual circumstances, regulations, or fees matter.