Building material calculators
How much concrete, paint, flooring, gravel or mulch do you need? Instant, free estimates in yards, bags, boxes and cost - no sign-up.
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Quick concrete estimate
Concrete & masonry
Concrete CalculatorSlabs, footings & columns in yards and bagsConcrete Block CalculatorBlocks and mortar bags for a wall
Area & volume
Square Footage CalculatorArea of rooms and shapes in ft², yd², m²Cubic Yard CalculatorLength × width × depth to cubic yardsCubic Feet CalculatorVolume in ft³ from any units
Interior
Paint CalculatorGallons for walls & ceilingFlooring CalculatorBoxes of laminate, vinyl or hardwoodTile CalculatorTiles per area incl. grout jointsDrywall CalculatorSheets, screws, tape & compound
Landscaping
Gravel CalculatorTons and yards of gravel or sandMulch CalculatorYards or 2 ft³ bags of mulchTopsoil CalculatorSoil for lawns, beds & raised bedsFence CalculatorPosts, rails, pickets & bags
Lumber & framing
Board Foot CalculatorBoard feet and cost of lumberStair CalculatorRisers, treads, run & stringerRoofing CalculatorRoof squares & shingle bundles by pitch
Popular charts
Measure once, order right
Most material mistakes come from three things: mixing inches and feet, forgetting waste, and rounding down. Every BuildTally calculator converts units for you, adds a waste allowance you can change and rounds up to whole bags, boxes or sheets. Results are estimates - check product labels and local codes, and ask your supplier to confirm before ordering.
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Free calculator by BuildTally