Building & Construction

Concrete, paint, flooring, roofing, and home renovation cost calculators.

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Concrete Calculator

Calculate cubic yards of concrete needed for slabs, columns, and footings. See bags needed and estimated cost.

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Paint Calculator

Calculate gallons of paint needed for a room. Accounts for doors, windows, and number of coats.

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Flooring Calculator

Calculate flooring material needed and cost for hardwood, laminate, vinyl, tile, or carpet.

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Roofing Calculator

Estimate roofing materials and cost by roof size, pitch, and material type (asphalt, metal, tile).

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Fence Calculator

Calculate fencing materials and cost by linear feet, height, and material (wood, vinyl, chain link, aluminum).

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Deck Cost Calculator

Estimate deck building cost including material, railing, and labor for pressure treated, composite, or cedar.

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Tile Calculator

Calculate tiles needed for a floor or wall with waste factor. See material and installation cost estimates.

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Insulation Calculator

Calculate insulation material and cost for fiberglass batt, blown-in, or spray foam by R-value target.

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Stair Calculator

Calculate stair dimensions with riser height, tread depth, and stringer length. Checks building code compliance.

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Pool Cost Calculator

Estimate in-ground or above-ground pool costs by size, material, and extras. See annual maintenance cost.

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Square Footage Calculator

Calculate total square footage for multiple rooms. Estimate renovation cost per square foot.

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Drywall Calculator

Calculate drywall sheets, tape, mud, and screws needed for a room. Includes waste factor.

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Wallpaper Calculator

Calculate wallpaper rolls needed with pattern repeat. Accounts for doors and windows.

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Carpet Calculator

Calculate carpet and pad needed in square yards with seaming and installation cost estimate.

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Gutter Calculator

Calculate gutter materials and cost by linear feet, style, and material (aluminum, vinyl, copper, steel).

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Retaining Wall Calculator

Calculate retaining wall materials and cost for concrete block, stone, timber, or poured concrete.

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Asphalt/Driveway Calculator

Calculate asphalt needed for a driveway or parking area. See tons needed and installation cost.

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Siding Calculator

Calculate siding material needed for vinyl, fiber cement, wood, or stucco. See squares and cost estimate.

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Septic Tank Calculator

Determine septic tank size by bedrooms and estimate installation, maintenance, and pumping costs.

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Board Foot Calculator

Calculate board feet of lumber from dimensions. See cost estimates by wood species.

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Plywood Calculator

Calculate plywood sheets needed by area and thickness. See weight and cost estimates.

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Mulch Calculator

Calculate cubic yards of mulch by area, depth, and type. See bags vs bulk delivery.

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Gravel Calculator

Calculate tons of gravel needed for driveways, paths, and projects by area and depth.

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Sand Calculator

Calculate tons of sand for play areas, masonry, or fill by area and depth.

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Paver Calculator

Calculate pavers needed by area, paver size, and pattern. See base material and cost estimate.

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Brick Calculator

Calculate bricks and mortar needed for a wall by length, height, and brick size.

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Pool Chemical Calculator

Calculate pool chemicals needed to balance pH, chlorine, and alkalinity for your pool volume.

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Lawn Fertilizer Calculator

Calculate fertilizer bags needed by lawn size, grass type, and N-P-K ratio.

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Compost Calculator

Calculate your compost C:N ratio and get adjustment recommendations for optimal decomposition.

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Snow Removal Cost Calculator

Estimate snow removal costs per event or seasonal contract based on driveway size.

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Leaf Removal Cost Calculator

Estimate leaf cleanup costs by yard size and tree density. Compare bagging vs mulching.

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Garage Door Cost Calculator

Estimate garage door replacement cost by type, material, insulation, and windows.

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Window Replacement Calculator

Calculate window replacement costs by type, frame material, and quantity.

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Kitchen Remodel Cost Calculator

Estimate kitchen renovation cost by size and scope with category breakdown.

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Bathroom Remodel Cost Calculator

Estimate bathroom renovation cost by type and scope with timeline.

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ADU Cost Calculator

Estimate accessory dwelling unit cost for garage conversion, detached build, or basement conversion.

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Landscaping Cost Calculator

Estimate landscaping project cost by yard size and scope including lawn, plants, and hardscape.

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Tree Removal Cost Calculator

Estimate tree removal cost by height and condition. Includes stump grinding option.

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Garden Plot Planner

Calculate plant spacing and yield for your garden plot by vegetable type.

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Raised Bed Soil Calculator

Calculate soil needed for raised garden beds with recommended soil mix proportions.

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Sprinkler System Calculator

Calculate sprinkler heads, zones, and water usage for your lawn irrigation system.

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Square Footage Cost Calculator

Calculate total cost from square footage and cost per sqft, or cost per sqft from total and area.

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Electrical Panel Calculator

Calculate total circuit load and determine if your panel needs an upgrade.

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Plumbing Cost Calculator

Estimate plumbing repair and remodel costs by job type and urgency.

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Driveway Sealing Calculator

Calculate sealcoat material needed and cost for your driveway.

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Gutter Guard Cost Calculator

Calculate gutter guard costs by type with annual maintenance savings.

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Attic Insulation Calculator

Calculate insulation needed to reach target R-value. See energy savings and payback.

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Bathtub Refinishing vs Replacement Calculator

Compare bathtub refinishing cost vs full replacement with ROI analysis.

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Countertop Cost Calculator

Calculate countertop cost by material (laminate, granite, quartz, marble, butcher block).

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Kitchen Cabinet Cost Calculator

Estimate kitchen cabinet cost by linear feet, type, and material.

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Water Softener Calculator

Calculate water softener size and cost from water hardness and household size.

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Lot Size Calculator

Calculate lot area in square feet and acres with buildable area after setbacks.

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Property Setback Calculator

Calculate buildable area after front, side, and rear setback requirements.

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Lawn Care Cost Calculator

Estimate lawn care service cost by size and services with seasonal pricing.

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Pest Control Cost Calculator

Estimate pest control treatment cost by type, home size, and frequency.

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Chimney Cleaning Cost Calculator

Estimate chimney sweep cost by type and inspection level.

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Power Washing Cost Calculator

Calculate power washing cost by surface type and square footage.

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Concrete Steps Calculator

Calculate concrete volume for stairs from step count, width, and dimensions.

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Post Hole Concrete Calculator

Calculate concrete bags needed per post hole from diameter and depth.

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Beam Span Calculator

Determine required beam size from span, load, and wood species.

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Floor Joist Calculator

Calculate joist count and spacing for your floor span and joist size.

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Wall Framing Calculator

Calculate studs, plates, and lumber for wall framing by length and spacing.

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Drywall Mud & Tape Calculator

Calculate joint compound, tape, and screws from number of drywall sheets.

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Caulk Calculator

Calculate caulk tubes needed from linear feet and gap width.

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Weatherstripping Calculator

Calculate weatherstripping material for doors and windows with energy savings estimate.

About Building & Construction Calculators

Building and construction calculators turn a tape-measure reading into a material order and a budget you can act on before you call a supplier or pull a permit. The Concrete Calculator converts slab dimensions into cubic yards so a ready-mix truck arrives with the right load for a driveway or footing, while the Square Footage Calculator gives you the baseline area that flooring, tile, paint, and drywall estimates all build on.

Homeowners planning a weekend project and contractors bidding a job both rely on these tools to price work and avoid a second trip to the yard. The Roofing Calculator sizes shingle squares and underlayment; the Deck Cost Calculator and Fence Calculator estimate posts, boards, and spans; and the Insulation Calculator translates wall and attic area into the R-value coverage your climate zone calls for.

Use them at the planning stage, before ordering, and again when a contractor's bid lands so you can sanity-check it. Local building departments enforce permits and inspections under codes adapted from the International Code Council, and lead-paint work on pre-1978 homes falls under the EPA's RRP rule, so confirm requirements with your jurisdiction before buying materials.

Frequently Asked Questions

How much waste should I add to a material estimate?
Most trades build in a waste allowance on top of the bare measured quantity to cover cuts, breakage, and offcuts. Flooring and tile commonly use roughly 10 percent, rising toward 15 percent for diagonal or herringbone layouts, while concrete is often ordered a fraction of a yard over to cover spillage and uneven subgrade. Order full boxes or whole bags, since suppliers rarely sell partial units, and keep extra tile or flooring from the same lot for future repairs because dye lots change between production runs.
Do I need a permit for a deck, fence, or concrete slab?
It depends on your local building department, which sets thresholds based on codes derived from the International Residential Code. Many jurisdictions require a permit and inspection for decks above a certain height, for any structure attached to the house, and for fences over a set height, while a small ground-level slab may be exempt. Always check with your city or county before you build, because unpermitted work can create problems at resale, fail insurance claims, or force you to tear out finished work.
How is roofing measured, and what is a roofing 'square'?
Roofers price materials in squares, where one square equals 100 square feet of roof surface. Your roof area is larger than your home's footprint because of slope, so the pitch must be factored in along with extra material for hips, valleys, and starter and ridge courses. The Roofing Calculator estimates the squares of shingles plus underlayment, and you should add waste for cuts and confirm whether your jurisdiction limits the number of shingle layers allowed before a full tear-off is required.
Why does painting an older home trigger special rules?
Homes built before 1978 may contain lead-based paint, which the federal government banned for residential use that year. Under the EPA's Renovation, Repair, and Painting (RRP) Rule, contractors who disturb painted surfaces in pre-1978 housing or child-occupied facilities must be certified and follow lead-safe work practices. The Paint Calculator handles how much paint to buy, but if your project involves sanding or removing old paint, verify the contractor's EPA certification and ask how they will contain dust.
How do I estimate insulation if I only know the area?
Insulation is specified by R-value, a measure of thermal resistance, and the level your home should reach depends on your climate zone and the assembly being insulated, such as attic, wall, or floor. The Insulation Calculator converts the square footage of a space into the coverage you need, but the target R-value comes from the energy code your jurisdiction has adopted, often based on the International Energy Conservation Code. Check your local code and consult ENERGY STAR or Department of Energy zone guidance before settling on a product and thickness.