Calculator Directory
Construction Calculators
Estimate materials, quantities, waste, and costs for building, remodeling, hardscape, and structural planning.
Concrete Calculator Estimate cubic yards, bags, and ready-mix cost.
Roofing Calculator Calculate pitch-adjusted area, squares, and bundles.
Drywall Calculator Estimate wall and ceiling area, sheets, waste, and cost.
Siding Calculator Estimate exterior area, siding squares, cartons, and cost.
Insulation Calculator Estimate coverage, packages, waste, and material cost.
Asphalt Calculator Estimate asphalt volume, tons, and material cost.
Concrete Block Calculator Estimate concrete blocks, rows, and wall coverage.
Deck Stain Calculator Estimate deck stain gallons and material cost.
Grout Calculator Estimate grout volume and package count.
Epoxy Flooring Calculator Estimate epoxy gallons, kits, and material cost.
HVAC BTU Calculator Create a rough heating or cooling capacity estimate.
Carpet Calculator Estimate carpet area, square yards, roll length, and cost.
Excavation Calculator Estimate bank volume, loose volume, truckloads, and cost.
Brick Calculator Estimate brick quantity, waste, and cost.
Stud Wall Calculator Estimate studs, plates, area, and framing cost.
Stair Calculator Calculate risers, treads, run, and stringer length.
Fence Calculator Plan panels, posts, gates, concrete, and cost.
Deck Board Calculator Estimate boards, fasteners, waste, and cost.
Paver Patio Calculator Estimate pavers, pallets, waste, and base materials.
Retaining Wall Block Calculator Estimate blocks, courses, caps, base, and cost.
Cost Per Square Foot Calculator Calculate project cost per square foot and the equivalent cost per square meter.
Roof Pitch Calculator Convert roof rise and horizontal run into pitch, angle, percent slope, and a length multiplier.
Ramp Slope Calculator Calculate ramp slope, angle, and sloped length from vertical rise and horizontal run.
Caulk Coverage Calculator Estimate sealant volume, whole tubes, and coverage for a continuous round bead.
Mortar Calculator Estimate wet mortar volume and bag count from masonry-unit count, mortar volume per unit, waste, and bag yield.
Concrete Footing Calculator Estimate concrete volume and bag count for a continuous rectangular footing with a waste allowance.
Concrete Column Calculator Estimate concrete for multiple round columns or piers from diameter, height, count, waste, and bag yield.
Rebar Weight Calculator Estimate rebar purchase length, weight, stock-bar count, and material cost from bar size and waste.
Drywall Joint Compound Calculator Estimate joint-compound weight and bucket count from drywall area, coat count, application rate, waste, and bucket size.
Paint Cost Calculator Estimate paint gallons and material cost from area, coats, coverage, waste, container size, and price.
Gable Wall Area Calculator Estimate rectangular wall area plus triangular gable area, then subtract openings and apply waste.
Sump Pump Electricity Cost Calculator Estimate energy use and electricity cost from pump wattage, cycle duration, cycles per day and utility rate.
Firewood Cord Calculator Convert the dimensions of a neatly stacked firewood pile into cubic feet, full cords and 16-inch face-cord equivalents.
Driveway Sealer Calculator Estimate sealer gallons and whole pails for a rectangular driveway using coats, labeled coverage and a waste allowance.
Gutter Capacity Calculator Estimate roof runoff flow that gutters and outlets must convey from roof plan area, rainfall intensity and runoff coefficient.
Downspout Sizing Calculator Estimate how many equal-capacity downspouts are needed from design runoff, capacity per downspout and a planning safety factor.
Sump Pump Capacity Calculator Apply a safety factor to measured sump inflow and report the pump capacity needed at the entered total dynamic head.
Dehumidifier Electricity Cost Calculator Estimate monthly and annual electricity use for a dehumidifier from its wattage, daily run time and utility rate.
Air Purifier CADR Calculator Estimate the clean air delivery rate needed for a room from its volume and a chosen target air-change rate.
Ceiling Fan Electricity Cost Calculator Estimate the electricity used by a ceiling fan from wattage, daily operating hours and your electricity rate.
Attic Ventilation Calculator Estimate net free ventilation area and equal intake/exhaust vent counts from attic floor area and a selected ventilation ratio.
Window Film Roll Calculator Estimate window-film area and whole rolls from pane dimensions, count, trim allowance, and roll size.
Window Screen Mesh Calculator Estimate replacement screen mesh for multiple rectangular frames and whole mesh rolls.
Door Weatherstrip Calculator Plan the top and two sides of rectangular door frames and estimate whole weatherstrip packs.
Ceiling Tile Pack Calculator Estimate ceiling tiles and packs for a rectangular room from tile dimensions and cutting waste.
Acoustic Panel Coverage Calculator Estimate panel count for a chosen percentage of a rectangular wall surface.
Carpet Underlay Roll Calculator Plan carpet underlay area and whole rolls for a measured floor.
Floor Adhesive Container Calculator Estimate adhesive volume and containers from a product’s stated coverage.
Drywall Tape Roll Calculator Estimate joint tape length and whole rolls from measured seams.
Choose the right calculator
Measure the actual project geometry first, then enter the product dimensions and package coverage from the manufacturer. Keep physical quantity separate from waste and package rounding.
How these calculators are checked
Each tool shows its formula, assumptions, worked example, and limitations. We test default values, decimals, zero and invalid inputs, unit conversions, and rounding behavior. Learn more on How Our Calculators Work .
Important: These estimates do not determine structural adequacy, code compliance, permits, soil capacity, drainage, utilities, or safe installation methods. Confirm critical work locally.
Related calculator categories
More home-project planning tools Reference and review
This category and its linked calculators were reviewed by the DIY Cost Tools editorial team on October 4, 2026. Additional tools will be added without changing the category URL.