Free Home Improvement Calculators
Plan your next project with precision. Estimate materials, compare options, and budget your build — 100% free, no signup required.
Explore CalculatorsPaint Calculator
Calculate exactly how many gallons of paint you need for any room. Accounts for doors, windows, and number of coats.
Calculate now →Mulch & Gravel Calculator
Find out how much mulch, gravel, or river rock you need by area and depth. Get results in cubic yards, bags, or tons.
Calculate now →Concrete Calculator
Estimate concrete volume for slabs, post holes, and stairs. Know exactly how many bags or yards to order.
Calculate now →Fence Material Calculator
Calculate posts, rails, and pickets needed for your fence project. Supports privacy, picket, and ranch rail styles.
Calculate now →Decking Calculator
Calculate deck boards, joists, screws, and concrete footings for your deck project. Supports wood and composite.
Calculate now →Tile & Flooring Calculator
Calculate tiles, boxes, grout, and thinset for floors, walls, and backsplashes. Includes waste factor estimates.
Calculate now →Roofing Calculator
Calculate shingles, bundles, underlayment, and ridge caps for your roof. Accounts for pitch and waste factor.
Calculate now →Drywall Calculator
Calculate drywall sheets, joint compound, tape, and screws for walls and ceilings. Supports 4x8 and 4x12 sheets.
Calculate now →Lawn Seed & Sod Calculator
Calculate grass seed, sod pallets, starter fertilizer, and topsoil for new lawns, overseeding, and patching.
Calculate now →Raised Garden Bed Calculator
Calculate soil, lumber, and hardware needed to build raised garden beds. Supports popular soil mix ratios.
Calculate now →Paver & Patio Calculator
Calculate pavers, sand, gravel base, and edging for patios, walkways, and driveways. Multiple paver sizes.
Calculate now →Retaining Wall Calculator
Calculate wall blocks, cap stones, gravel backfill, drain pipe, and fabric for your retaining wall project.
Calculate now →Wallpaper Calculator
Calculate how many rolls of wallpaper you need. Accounts for pattern repeat, doors, and windows.
Calculate now →Insulation Calculator
Calculate insulation for walls, attics, or floors. Get results in batts, rolls, or bags of blown-in.
Calculate now →Stain & Sealer Calculator
Calculate how much stain or sealer you need for decks, fences, or siding. Accounts for surface type and coats.
Calculate now →Carpet Calculator
Calculate how much carpet and padding you need for any room. Get estimates in square feet, square yards, and linear feet.
Calculate now →Siding Calculator
Calculate siding, house wrap, and trim for your home exterior. Supports vinyl, fiber cement, and wood lap.
Calculate now →Crown Molding Calculator
Calculate crown molding and baseboard trim for any room. Supports MDF, pine, oak, and polyurethane.
Calculate now →Gutter Calculator
Calculate gutters, downspouts, hangers, and elbows for your home. Supports K-style and half-round styles.
Calculate now →Baseboard Calculator
Calculate baseboard trim and quarter round for any room. Supports MDF, pine, oak, and PVC materials.
Calculate now →Lawn Fertilizer Calculator
Calculate how much fertilizer your lawn needs. Supports granular, liquid, and organic with cost estimates.
Calculate now →Gravel Driveway Calculator
Calculate tons of gravel needed for driveways, paths, and parking areas. Supports crushed stone, pea gravel, and river rock.
Calculate now →Brick Calculator
Calculate bricks needed for walls, patios, walkways, and fire pits. Accounts for mortar joints and waste.
Calculate now →Backsplash Calculator
Calculate tile needed for a kitchen backsplash. Supports subway, mosaic, and standard tile sizes.
Calculate now →French Drain Calculator
Calculate pipe, gravel, and landscape fabric needed for a French drain with cost breakdowns.
Calculate now →Shed Calculator
Calculate lumber, sheathing, roofing, and siding for a DIY storage shed. Supports gable and lean-to roofs.
Calculate now →Epoxy Floor Calculator
Calculate epoxy coating for garage and workshop floors. Includes primer, base coat, and top coat estimates.
Calculate now →Wainscoting Calculator
Calculate beadboard, shaker, raised panel, or board & batten wainscoting materials with trim and cost estimates.
Calculate now →Deck Stair Calculator
Calculate the number of steps, stringer length, treads, and risers for deck stairs with material costs.
Calculate now →Landscape Edging Calculator
Calculate steel, aluminum, plastic, brick, or stone edging for garden beds and paths with cost estimates.
Calculate now →Driveway Sealcoat Calculator
Calculate driveway sealer, crack filler, and applicator needs. Get bucket counts and total project cost.
Calculate now →Pergola Calculator
Estimate posts, beams, rafters, cross-slats, and hardware for your pergola project with full cost breakdown.
Calculate now →Attic Insulation Calculator
Calculate blown-in or batt insulation for your attic. Choose your R-value target and get accurate bag or roll counts.
Calculate now →Material Comparisons
Not sure which material to choose? Our side-by-side comparisons break down cost, durability, maintenance, and more to help you decide.
Composite vs Wood Decking
Compare cost, lifespan, maintenance, and appearance for your deck project.
Read comparison →Concrete vs Pavers
Poured slab or paver stones? Compare cost, durability, and DIY difficulty for patios.
Read comparison →Sod vs Grass Seed
Instant lawn or grow from scratch? Compare cost, timing, and results.
Read comparison →Cedar vs Pressure-Treated
The two most popular outdoor lumber choices compared for decks, fences, and beds.
Read comparison →3-Tab vs Architectural Shingles
Compare cost, wind resistance, lifespan, and curb appeal for your roof.
Read comparison →Vinyl Plank vs Ceramic Tile
Compare cost, durability, water resistance, and installation for your floors.
Read comparison →Metal vs Asphalt Roofing
Compare lifespan, energy efficiency, cost, and durability for your roof.
Read comparison →Vinyl vs Wood Fencing
Compare maintenance, appearance, cost, and lifespan for your fence project.
Read comparison →Laminate vs Hardwood Flooring
Compare cost, durability, refinishability, and resale value for your floors.
Read comparison →Quartz vs Granite Countertops
Compare cost, maintenance, heat resistance, and style for your countertops.
Read comparison →Fiberglass vs Cellulose Insulation
Compare R-value, cost, fire resistance, and installation for your insulation.
Read comparison →Chain Link vs Wood Fencing
Compare cost, privacy, durability, and appearance for your yard fence.
Read comparison →Granite vs Marble Countertops
Compare cost, durability, maintenance, and appearance for your kitchen countertops.
Read comparison →Standing Seam vs Corrugated Metal
Compare cost, lifespan, weather protection, and appearance for metal roofing.
Read comparison →Engineered vs Solid Hardwood
Compare cost, refinishability, moisture resistance, and installation for hardwood floors.
Read comparison →Cost Guides
Planning your budget? Our cost guides break down real-world pricing for popular home improvement projects, including materials, labor, and money-saving tips.
How Much Does a New Roof Cost?
Asphalt, metal, and wood shake pricing with labor costs and savings tips.
Read guide →How Much Does a Fence Cost?
Wood, vinyl, and chain link pricing per linear foot with installation costs.
Read guide →How Much Does a Patio Cost?
Concrete, paver, and natural stone patio costs with DIY savings estimates.
Read guide →How Much Does Interior Painting Cost?
Per-room and whole-house painting costs with DIY vs pro comparison.
Read guide →How Much Does a Retaining Wall Cost?
Block, stone, and timber wall costs per square foot with labor pricing.
Read guide →How Much Does a Deck Cost?
Pressure-treated, cedar, and composite deck pricing with builder costs.
Read guide →How Much Does a Kitchen Remodel Cost?
Minor refresh to full gut renovation costs with cabinets, countertops, and appliances.
Read guide →How Much Does a Bathroom Remodel Cost?
Half bath to master bath renovation costs with tile, vanity, and plumbing.
Read guide →How Much Does Insulation Cost?
Fiberglass, blown-in, and spray foam costs for attics, walls, and crawl spaces.
Read guide →Why Use Our Calculators?
Buying too much material wastes money. Buying too little means extra trips to the store and project delays. Our calculators use industry-standard formulas to give you accurate estimates so you can buy the right amount the first time.
Built for Real Projects
Every calculator accounts for real-world factors like waste, coverage rates, and standard material sizes. Whether you're a weekend DIYer or a professional contractor, these tools help you plan with confidence.
How to Use These Calculators
- Choose the calculator for your project type
- Enter your measurements (length, width, height, etc.)
- Click "Calculate" to see your material estimates
- Use the results to create your shopping list
Save Money on Every Project
The average homeowner overspends by 15-20% on materials due to inaccurate estimates. Using a calculator before you shop helps you avoid waste, reduce returns, and keep your project on budget.