Quick Calculators
Practical construction calculations for residential and commercial work. Fast answers. No sign-in required.
38 calculators
Baluster Spacing Calculator
Calculate baluster count and equal clear gaps from an opening, baluster width, and your maximum spacing.
Open calculatorBoard Foot Calculator
Calculate lumber volume in board feet from thickness and width in inches, length in feet, and board quantity. Enter the actual or billed dimensions explicitly.
Open calculatorBrick & Block Calculator
Estimate whole brick or concrete masonry units using net wall area, actual unit face dimensions, mortar joints, and waste. Separate brick and block modes.
Open calculatorCaulk & Sealant Calculator
Estimate sealant volume and whole cartridges for a rectangular joint using usable container volume.
Open calculatorConcrete Calculator
Calculate concrete volume for slabs, rectangular footings, and round piers.
Open calculatorConstruction Labor Calculator
Estimate worker-days, crew working days, labor hours, and optional hourly labor cost from work quantity and an editable per-worker production rate.
Open calculatorDeck Board Calculator
Estimate board courses and decking linear feet from deck size, actual board width, gap, orientation, and waste. No complex cut optimization.
Open calculatorDeck Screw Calculator
Estimate decking fasteners and boxes from board courses, supporting joist intersections, and fasteners per intersection.
Open calculatorDrywall Mud & Tape Calculator
Estimate joint compound volume, buckets, measured joint-tape length, and whole tape rolls separately.
Open calculatorDrywall Screw Calculator
Estimate drywall screws and whole boxes from sheet count or area using your fastening schedule.
Open calculatorEpoxy Floor Coating Calculator
Estimate whole epoxy kits from floor area, coat count, and product coverage per kit per coat.
Open calculatorFeet & Inches Calculator
Add or subtract two lengths, or multiply and divide a length by a scalar, with fractional-inch results.
Open calculatorFence Calculator
Estimate panels or field-built sections and shared-endpoint posts along a straight fence, with optional extra posts and clear spacing assumptions.
Open calculatorFlooring Calculator
Estimate flooring square footage with waste, whole cartons, purchased coverage, and optional carton cost for vinyl, laminate, or hardwood.
Open calculatorFloor Underlayment Calculator
Estimate underlayment packages from floor area and effective coverage after required overlaps.
Open calculatorFrench Drain Materials Calculator
Estimate pipe, gravel and filter fabric for a straight rectangular trench with one pipe and full fabric wrap.
Open calculatorGrass Seed Calculator
Estimate seed weight and whole bags using your lawn area and the product’s new-lawn or overseeding rate.
Open calculatorGravel Calculator
Calculate gravel cubic feet, cubic yards, and estimated US short tons from length, width, depth, and a user-entered bulk density.
Open calculatorMarkup & Margin Calculator
Calculate selling price and gross profit from cost plus markup or a target gross margin. See why markup and margin percentages are different.
Open calculatorMulch Calculator
Convert planting-bed area and mulch depth into cubic yards and whole bags.
Open calculatorPaint Calculator
Calculate paint quantity using coverage area, coats, coverage rate, and waste.
Open calculatorPaver Calculator
Estimate paving stones and optional packages from surface area, dimensions or known coverage per paver, and waste. Includes inch-to-square-foot conversion.
Open calculatorQuick Drywall Sheet Calculator
Get a simple drywall sheet count from total area, 4×8, 4×10, or 4×12 sheets, and waste. For detailed takeoffs, use BidSimp’s full Drywall Calculator.
Open calculatorQuick Insulation Coverage Calculator
Calculate whole insulation bags, rolls, or packages from area, product coverage, and waste. A quick coverage tool separate from detailed insulation estimating.
Open calculatorRoofing Calculator
Convert projected roof area and optional pitch to sloped area, roofing squares, and bundles using your product’s bundles-per-square coverage.
Open calculatorRoofing Underlayment Calculator
Estimate roofing underlayment rolls from measured sloped area or projected area and pitch.
Open calculatorSelf-Leveling Compound Calculator
Estimate leveling-compound volume, whole bags and purchased weight from product coverage at a stated depth.
Open calculatorSiding Calculator
Estimate siding coverage and whole panels, pieces, or cartons from gross wall area, opening deductions, waste, and your product’s effective coverage.
Open calculatorSod Calculator
Estimate sod pieces or rolls and whole pallets from lawn area and supplier packaging.
Open calculatorSquare Footage & Area Calculator
Add the square footage of multiple rectangular sections and subtract optional openings. A quick construction area calculator with clear feet and square-foot units.
Open calculatorStair Calculator
Calculate straight-stair risers, uniform riser height, treads, total run, and approximate flight diagonal from your rise and tread measurements.
Open calculatorStud Count Calculator
Estimate straight-wall studs from wall length and on-center spacing, with explicit endpoints and manually added studs for openings and corners.
Open calculatorThinset Mortar Calculator
Estimate thinset mortar bags from tiled area and your product-specific coverage rate.
Open calculatorTile Calculator
Calculate whole tiles and optional boxes from surface area, tile dimensions, and waste. Includes editable size presets and clear nominal-coverage assumptions.
Open calculatorTile Grout Calculator
Estimate grout joint volume, dry product weight and whole bags from tile dimensions and product yield.
Open calculatorTopsoil Calculator
Estimate loose topsoil volume and bags for a target finished layer, with an explicit settlement allowance.
Open calculatorTrim & Baseboard Calculator
Estimate trim linear footage and whole stock pieces from measured runs, opening deductions, stock length, and cutting-waste allowance.
Open calculatorWallpaper Calculator
Estimate full-height wallpaper strips and whole rolls with trimming, pattern repeat, and waste.
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