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Construction calculators by trade
Search by project or material. Every calculator shows its assumptions, explains the math, and turns the estimate into a practical purchase list.
54 calculators available
Measurement & Layout6
Square Footage CalculatorAdd and subtract multiple shapes, with square-yard, meter, and acre conversions.Board Feet CalculatorLumber tally in board feet with quarters thickness, pricing, and waste.Lumber CalculatorEstimate boards, board feet, linear feet, weight, waste, and cost.Roof Pitch CalculatorPitch, angle, slope percent, pitch factor, rafter, and ridge height.Rafter Length CalculatorCalculate common-rafter geometry from span, pitch, ridge, and overhang.Roof Area CalculatorQuickly convert a roof footprint and pitch into sloped area and squares.
Exterior & Outdoor21
Roof Replacement Cost CalculatorPlan a roof replacement range with visible, editable cost assumptions.Gravel CalculatorTons of gravel by material, with compaction and truck-load planning.Mulch CalculatorCubic yards and bags of mulch, with a live bag-vs-bulk price check.Roofing Materials CalculatorEstimate shingles, squares, underlayment, nails, waste, and cost.Stairs & Stringers CalculatorRisers, treads, run, angle, stringer stock, board cuts, waste, and cost.Soil CalculatorSoil yards, bags, weight, allowance, and bulk-versus-bag cost.Gutter & Downspout CalculatorGutter pieces, hangers, fittings, downspouts, runoff planning, and cost.Firewood CalculatorCords from any stack, a seller price check, and heat value by species.French Drain CalculatorDrain gravel, perforated pipe, fabric, excavation, fall, and cost.Roofing CalculatorGable-roof squares, bundles, underlayment, edge materials, and editable cost.Siding CalculatorSiding squares, cartons or pieces, housewrap, trim, fasteners, and cost.Sod CalculatorPallets, pieces, and cost for a new sod lawn.Grass Seed CalculatorEstimate seed pounds and bags for a new lawn or overseeding project.Landscape Materials CalculatorMulch, soil, gravel, and sand by bags, cubic yards, tons, and cost.Pavers CalculatorPavers and pallets plus base, sand, edging, fabric, delivery weight, and cost.Deck Board Material CalculatorDeck boards, border stock, fasteners, waste, and optional cost.Paver Base CalculatorBase tons and yards, bedding sand, pavers, excavation, and cost.Fence Post Hole Concrete CalculatorConcrete bags around fence posts, with post displacement and gravel.Excavation & Fill CalculatorCut or fill volume, loose yards, weight, truck loads, fabric, hauling, and cost.Fence CalculatorPosts, rails, pickets, gates, concrete, fasteners, and editable cost.Deck Cost CalculatorDeck framing, boards, footings, guards, stairs, packages, and cost.
Concrete & Masonry9
Concrete CalculatorConcrete volume, bags, ready-mix rounding, base, and costs for seven shapes.Rebar CalculatorGrid bar counts, stock lengths, weight, and cost from a specified layout.Concrete Bags CalculatorConvert a slab or project volume into whole bags and cost.Asphalt CalculatorHot-mix tons, gravel base, truck loads, and project cost.Mortar CalculatorMortar volume, bags, and cost for brick and block walls.Sonotube Concrete CalculatorConcrete volume and bags for round form tubes and columns.Brick & Block CalculatorBrick or CMU units, mortar, pallets, openings, ties, weight, and cost.Concrete Footing CalculatorConcrete yards, bags, and cost for continuous or repeated footings.Retaining Wall CalculatorBlocks, caps, gravel, drainage, weight, and cost for segmental walls.
Interior Finishing12
Paint CalculatorGallons of paint and primer per room, plus tape, rollers, and cloths.Bathroom Remodel Cost CalculatorBuild a transparent bathroom remodel budget range by project category.Flooring CalculatorBoxes or carpet roll layout, waste, underlayment, trim, supplies, and cost.Wall Framing CalculatorStuds, plates, openings, blocking, sheathing, fasteners, waste, and cost.Wallpaper CalculatorDouble rolls with honest pattern-repeat and strip math.Tile CalculatorTile count, boxes, thinset, and grout by tile size and joint width.Countertop CalculatorCountertop square footage, slab count, and material cost from your runs.Plywood & Sheathing CalculatorConvert project area into whole plywood or sheathing sheets and optional cost.Drywall CalculatorSheet count with waste, plus screws, mud, tape, and corner bead.Thinset CalculatorEstimate thinset bags from tile area, trowel coverage, substrate, and waste.Baseboard & Trim CalculatorRoom-by-room baseboard, casing, crown, stock lengths, supplies, and cost.Insulation CalculatorLabel-based package quantities with a verified 2021 IECC attic starting point.
Pricing & Investment3
Rental ROI CalculatorTransparent pre-tax cash flow, cap rate, cash-on-cash, and DSCR planning.Contractor Job Pricing CalculatorTurn materials, burdened labor, overhead, and profit goals into a customer price.Lawn Care Pricing CalculatorAuditable per-visit pricing from editable time, cost, coverage, and profit assumptions.