Plan Your Project Step by Step
In-depth, practical guides for common construction and home improvement projects — with measurement tips, reference tables and a direct link to the right calculator so you can go from planning to purchasing with confidence.
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Roof Pitch Chart
Compare roof-pitch angles, slope percentages, and rafter multipliers, then calculate any verified rise and run.
How Much Flooring Do I Need?
Calculate floor area, waste, plank quantity, boxes, purchased coverage and optional material cost.
How Much Does New Flooring Cost?
Build a flooring project budget from current product prices, contractor rates, package coverage and measured installation area.
Asphalt Driveway Cost Guide
Estimate asphalt driveway quantities and cost for a new installation, replacement, overlay or resurfacing project.
How Many Deck Footings and Posts Do I Need?
Learn how to estimate deck posts, footing quantities, post spacing, concrete volume and concrete bags using a preliminary deck-support layout.
How Much Lumber Do I Need for a Deck Beam?
Learn how to estimate deck-beam plies, stock boards, linear footage, waste, fasteners and optional material costs for one or more beam runs.
How Much Chain-Link Fence Do I Need?
Learn how to estimate chain-link mesh, rolls, line and terminal posts, top rail, fittings, concrete, gates and material costs.
How Much Does a Fence Cost?
Learn how to estimate fence material, labor, gates, removal, delivery, permits, site work, tax, contingency and total project costs.
How Much Shed Foundation Material Do I Need?
Learn how to estimate gravel, concrete, skids, blocks, piers, fabric, edging, waste and material costs for a shed foundation.
How Much Does a Paver Walkway Cost?
Learn how to estimate pavers, base gravel, bedding and joint sand, edging, excavation, labor, waste and total walkway cost.
How Many Paving Bricks Do I Need?
Estimate horizontal paving bricks and supporting patio materials—not wall masonry.
How Much Raised-Bed Soil Do I Need?
Calculate soil volume, existing fill, settlement, blends, bulk quantities, bags, mulch and optional costs for raised beds.
How Much Lawn Topdressing Do I Need?
Calculate net lawn area, thin-layer volume, applications, bulk, bags, weight, blends and optional costs.
How Many Joists Do I Need?
Estimate joist count, linear material, waste-adjusted purchase quantity, and optional cost from a user-confirmed framing layout.
How Much Lumber Do I Need?
Estimate whole boards, project coverage, board feet, waste-adjusted purchase quantity, and optional material cost.
Concrete for a Footing
Estimate concrete volume, ordering allowance, and optional cost for rectangular footing runs using approved dimensions.
Concrete for Sonotubes
Estimate cylindrical concrete volume, whole bags, waste, and optional material cost for round concrete forms.
How Much Rebar Do I Need?
Estimate rebar counts in both directions, total length, waste-adjusted weight, and optional cost for a confirmed rectangular grid.
How Many Deck Boards Do I Need?
Estimate deck-board rows, stock pieces, waste-adjusted quantity, linear material, and optional material cost.
How Many Fence Posts Do I Need?
Estimate line, corner, and gate posts, waste-adjusted purchase quantity, and optional post cost from a reviewed fence layout.
How Much Roof Sheathing Do I Need?
Learn how to estimate plywood or OSB roof sheathing panels, waste, clips, fasteners and optional material cost.
How Much Roof Ventilation Do I Need?
Learn how to estimate attic ventilation, balance intake and exhaust NFVA, and calculate individual or linear vent quantities.
How Much Does a New Roof Cost?
Build a transparent preliminary roof-replacement budget using current local material prices, written labor quotes and project-specific allowances.
How to Calculate Deck Stairs
Learn preliminary deck-stair geometry, stringer spacing and tread-material calculations using project requirements confirmed for your location.
How Many Deck Railing Posts and Balusters Do I Need?
Estimate preliminary deck-railing posts, stock rails and individual balusters from separately measured straight runs and project-confirmed spacing inputs.
How Much Drywall Mud Do I Need?
Learn how to estimate drywall mud and joint compound for different finish levels, bucket sizes and project conditions.
How Many Bricks Do I Need?
Learn how to estimate bricks for a wall using wall dimensions, brick size, mortar joints, openings and waste, with a worked example and free calculator.
How Much Mortar Do I Need?
Learn how to estimate mortar volume and bags for brick and concrete block walls using wall area, unit size, joint thickness, waste and product yield.
How Much Masonry Grout Do I Need?
Learn how to estimate masonry grout for reinforced CMU cells, bond beams and lintels using block size, grouting schedule and waste.
How Much Metal Roofing Do I Need?
Learn how to estimate metal roofing panels, coverage widths, panel lengths, trim, fasteners, waste and optional material cost.
How Much Roofing Underlayment Do I Need?
Learn how to estimate felt, synthetic and self-adhered roofing underlayment rolls using effective coverage, overlaps and waste.
How Much Gravel Do I Need?
A step-by-step guide to measuring your project, choosing the right depth, and calculating exactly how much gravel to order — plus a free calculator.
How Much Concrete Do I Need?
Learn how to estimate concrete for slabs, patios, driveways, sidewalks, garage floors, and footings. Includes formulas, examples, reference tables, FAQs, and a link to the free Concrete Calculator.
How Much Paint Do I Need?
Learn how to estimate the amount of paint needed for walls, ceilings, rooms, and entire homes. Includes coverage charts, formulas, examples, FAQs, and a link to the free Paint Calculator.
How Much Topsoil Do I Need?
Learn how to estimate the amount of topsoil needed for lawns, gardens, flower beds, raised beds, and landscaping projects. Includes formulas, depth recommendations, examples, FAQs, and a link to the free Topsoil Calculator.
How Much Mulch Do I Need?
Calculate how much mulch you need for flower beds, gardens, trees, and landscaping projects. Learn recommended mulch depths, formulas, examples, FAQs, and use our free Mulch Calculator.
Roofing Material Calculator
Estimate shingles, underlayment, drip edge, and roofing materials for your next roof replacement. Learn how to measure a roof, calculate waste, and use our free Roofing Material Calculator.
Paver Calculator: How Many Pavers Do I Need?
Estimate how many pavers you need for patios, walkways, and driveways. Learn the area formula, waste planning, base and sand guidance, examples, FAQs, and use our free Paver Calculator.
How Much Fill Dirt Do I Need?
Estimate how much fill dirt you need for grading, leveling, foundations, and landscaping projects. Learn formulas, recommended depths, examples, FAQs, and use our free Fill Dirt Calculator.
How to Calculate Square Footage
Learn how to calculate square footage for rooms, flooring, paint, landscaping, concrete, and construction projects. Includes formulas, examples, FAQs, and links to our free Square Footage Calculator.