13 subcategories · 84 calculators
Construction
Free construction calculators for concrete, framing, flooring, roofing, landscaping, and material quantities.
Subcategories
Concrete & Masonry
Concrete volume, bag estimates, brick count, and mortar calculators.
Framing & Carpentry
Lumber quantity, board feet, stud spacing, and framing calculators.
Flooring
Tile, hardwood, laminate, and carpet quantity and cost calculators.
Roofing
Shingle count, roof pitch, metal roofing, and roofing material calculators.
Siding
Vinyl, wood, and fibre cement siding quantity and cost calculators.
Deck & Patio
Deck board, composite decking, patio, and pergola material calculators.
Fencing
Fence panel, post, picket, and fencing material calculators.
Driveway
Asphalt, gravel, and concrete driveway quantity and cost calculators.
Drywall & Paint
Drywall sheet count, paint coverage, plaster, and ceiling material calculators.
Landscaping
Mulch, topsoil, sand, sod, and grass seed quantity calculators.
Plumbing & HVAC
Pipe sizing, BTU load, duct sizing, and boiler capacity calculators.
Materials & Costs
General construction material quantity and project cost estimators.
Dimensions & Conversions
Cubic volume, square area, unit conversion, and measurement calculators for construction projects.
Popular tools
Construction / Plumbing & HVAC
CFM Calculator
Calculate cubic feet per minute airflow for HVAC ducts, exhaust fans, or ventilation from room volume and ACH, then compare practical fan sizes.
Construction / Roofing
Roof Snow Load Calculator🇺🇸
Use this roof snow load calculator to convert mapped ground snow load into balanced flat-roof load, slope-adjusted roof load, optional plan-area total load.
Construction / Driveway
Asphalt Calculator
Use the asphalt calculator to estimate driveway or parking-area tonnage, coverage, truckload equivalents, and material cost from dimensions or known area.
Construction / Driveway
Asphalt Sealer Calculator
Use the asphalt sealer calculator to estimate driveway sealer volume, 5-gallon bucket count, lighter second-coat demand.
Construction / Deck & Patio
Baluster Calculator
Estimate baluster count, clear gap, on-center spacing, repeated section totals, and order quantity for level deck railing openings.
Construction / Framing & Carpentry
Beam Span Calculator🇺🇸
Use this deck beam span calculator to look up AWC DCA 6 beam spacing, compare built-up and glulam beam sizes, and estimate post count for a straight beam run.