Order the right amount of concrete
Convert slab lengths, widths, and depths into cubic yards plus a safety buffer.
Construction & Home
Construction & Home calculators
Enter room dimensions, slab depth, board width, or post spacing to get yards, sheets, bags, or boards instantly.
Concrete, gravel, mulch & soil takeoffsDrywall, paint, flooring, and trim mathBuilt-in waste allowances & pro tips
Perfect for
- •Homeowners planning remodels
- •Contractors and estimators
- •DIY landlords and investors
What you can solve
Common scenarios
Concrete, drywall, decking, roofing, and landscaping calculators that help you buy the right amount the first time.
Plan drywall or flooring runs
Turn room measurements into sheet counts or box totals before you hit the store.
Quote fences, decks, or trim
Estimate lumber, pickets, and fasteners with ready-to-share numbers.
Pick a tool
Featured construction & home calculators
Browse the live tools below or request a new calculator if you need something specific.
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Concrete Volume Calculator
Estimate cubic yards, cubic feet, and bag counts for slabs, footings, and post holes.
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Paint Coverage Calculator
Estimate gallons of paint needed based on wall area, coats, and coverage rate.
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Tile Calculator
Determine tile counts and total area including waste.
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Gravel Volume Calculator
Estimate cubic yards and tons of gravel required for driveways, pads, or drainage projects.
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Fence Calculator
Estimate the number of fence panels and posts required for a perimeter.
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Decking Board Calculator
Estimate deck board count and total deck area for standard decking projects.
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Roofing Shingles Calculator
Estimate roofing squares and bundles needed for asphalt shingles, factoring in pitch and waste.
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Flooring Calculator
Estimate square footage of flooring plus waste for tile, laminate, or hardwood installs.
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Drywall Calculator
Estimate total drywall area and sheet counts for finished rooms.
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Post Hole Concrete Calculator
Estimate concrete volume for fence or deck post holes by entering hole size and count.
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Stair Stringer Calculator
Determine risers, tread depth, and stringer length from total rise and run.
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Wall Stud Count Calculator
Estimate how many studs are needed for a wall based on length, spacing, and openings.
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Wall Area Calculator
Calculate square footage of wall surfaces after subtracting door and window openings.
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Concrete Bag Calculator
Convert cubic yards of concrete into 60 lb or 80 lb bag counts.
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Baseboard Calculator
Estimate linear feet of trim needed for a rectangular room and add waste reserves.
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Door & Window Trim Calculator
Estimate casing trim for doors and windows, including waste buffers and board counts.
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Slab Rebar Calculator
Lay out rebar grids for slabs or pads using spacing, lap length, and bar weight.
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Asphalt Volume & Tonnage Calculator
Estimate asphalt tonnage for driveways, parking pads, or road patches by area and thickness.
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Mulch Calculator
Estimate how many cubic yards or bags of mulch you need for beds, trees, or playgrounds.
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Mortar Calculator
Estimate mortar volume and bag counts for brick or block walls.
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Roof Pitch Calculator
Find roof pitch, slope percent, and angle from rise and run.
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Rafter Length Calculator
Calculate rafter length and angle from span, pitch, and overhang.
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Concrete Footing Calculator
Estimate footing volume and 80 lb bags from length, width, and depth.
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Paver Calculator
Estimate paver count and base material from area and paver size.
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Retaining Wall Calculator
Estimate block count, caps, and backfill volume for a retaining wall.
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Block Wall Calculator
Estimate cinder block counts for a wall with waste allowance.
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Board Foot Calculator
Calculate board feet per piece and total for lumber orders.
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Siding Calculator
Estimate siding square footage and squares after openings and waste.
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Shingle Bundles Calculator
Convert roof area into squares and shingle bundles with a waste factor.
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Joist Span Helper
Approximate joist span based on depth, spacing, and species factor.
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Beam Size Helper
Rough beam sizing helper using span and load per foot with headroom.
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Insulation R-Value Calculator
Estimate insulation thickness needed to hit a target R-value.
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Gutter & Downspout Calculator
Estimate gutter length and downspout counts based on roof perimeter and spacing.
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Window Trim Calculator
Estimate linear feet and 8 ft boards for trimming windows.
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Landscape Timber Calculator
Estimate timbers and spikes needed for edging or borders.
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Concrete Slab Cost Calculator
Estimate cubic yards and total cost of a slab including material, labor, and reinforcement.
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Home Generator Size Calculator
Estimate generator size in kW using running load, motor surge, and headroom.
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Topsoil Calculator
Estimate cubic yards of topsoil plus cost with a waste buffer for new lawns, beds, and grading.
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Sod Calculator
Estimate sod rolls, pallets, and cost with a waste buffer for curves and trimming.
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Wallpaper Calculator
Estimate wallpaper rolls and cost with trim/waste allowance and optional pattern repeat.
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HVAC BTU Calculator
Estimate cooling BTU and tonnage based on room size, ceiling height, insulation, sun exposure, and occupancy.
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Pool Volume Calculator
Estimate pool volume in gallons, cubic feet, and cubic meters for rectangular, circular, or oval pools.
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Propane Usage Calculator
Estimate propane gallons and cost from appliance BTU load, daily hours, and price per gallon.
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Roof Replacement Cost Calculator
Estimate roof replacement cost with material, labor, tear-off, and waste allowance.
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Fence Cost Calculator
Estimate fence material, labor, gates, tear-out, and stain costs per foot and total.
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Water Heater Size Calculator
Estimate peak hot water demand and recommended tank size using occupants, baths, flow rate, and temp rise.
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Drywall Cost Calculator
Estimate drywall material and labor cost with waste, sheet size, and finishing materials.
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Kitchen Remodel Cost Calculator
Estimate kitchen remodel cost by combining cabinets, countertops, appliances, flooring, labor, and contingency, plus cost per sq ft.
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Bathroom Remodel Cost Calculator
Estimate bathroom remodel cost by adding fixtures, tile, vanity, plumbing allowance, labor per sq ft, and contingency.
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Flooring Cost Calculator
Estimate flooring material, labor, underlayment, removal, and waste to see total cost and cost per sq ft.
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Countertop Cost Calculator
Estimate countertop cost with material, fabrication, labor per sq ft, edge upgrades, sink cutouts, backsplash, and waste allowance.
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Paint Cost Calculator
Estimate paint materials, primer, labor, and supplies using area, coats, coverage, rates, and waste to get total cost and cost per sq ft.
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Deck Cost Calculator
Estimate deck cost by combining material, labor, railings, footings, stairs, and waste to get total and cost per square foot.
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Roof Squares Calculator
Convert roof area plus pitch and waste into roofing squares for ordering materials.
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HVAC SEER Savings Calculator
Compare old vs new SEER to estimate annual kWh and cost savings plus payback on an upgrade.
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Attic Insulation Cost Calculator
Estimate attic insulation material and labor costs to reach a target R-value, including bags needed based on coverage.
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Gutter Cleaning Cost Calculator
Estimate gutter cleaning cost based on linear feet, stories, base rate, and debris surcharge.
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Lawn Fertilizer Coverage Calculator
Find how many fertilizer bags you need and material cost based on lawn size and bag coverage.
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Dehumidifier Size Calculator
Estimate the pints-per-day capacity needed based on room size and moisture level.
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Ceiling Fan Size Calculator
Pick the right ceiling fan blade span based on room size.
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Lighting Lumens Calculator
Estimate total lumens needed for a room based on square footage and room type.
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Drainage Slope Calculator
Convert rise/run to slope % and inches-per-foot for driveways, patios, and yard drainage.
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Generator Fuel Consumption Calculator
Estimate fuel use per hour and total fuel for a generator based on load and fuel type.
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Battery Backup Size Calculator
Estimate the battery capacity (Wh/kWh) needed to run a load for a target number of hours.
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Attic Ventilation Calculator
Estimate required net free vent area (NFVA) using 1:150 or 1:300 rules, split between intake and exhaust.
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Rainwater Harvest Calculator
Estimate rainwater collection volume from roof area, rainfall depth, and collection efficiency.
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Pool Heating Cost Calculator
Estimate energy needed and cost to heat a pool by a chosen temperature rise using gas or electric heat.
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Pool Heat Pump Sizing Calculator
Estimate pool heat pump size (BTU/hr and tons) to reach a target temperature rise within a chosen time window.
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Gutter Capacity Calculator
Estimate runoff flow from roof area and rainfall rate to size gutters/downspouts.
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Snow Load Calculator
Estimate roof snow load using ground snow load and adjustment factors (simplified).
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Roof Replacement Cost Calculator
Estimate roof replacement cost using roof area, cost per square, tear-off cost, and additional fees.
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Asphalt Driveway Cost Calculator
Estimate asphalt driveway cost using dimensions, cost per sq ft, tear-out cost, and extras.
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Concrete Driveway Cost Calculator
Estimate concrete driveway cost using dimensions, cost per sq ft, tear-out cost, and extras.
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Home Generator Sizing Calculator
Estimate generator size (kW) needed from running and surge watts with optional surge headroom.
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Window Replacement Cost Estimator
Estimate material, labor, and disposal costs for replacing windows with a simple per-window model.
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Bathroom Remodel Cost Estimator
Ballpark a bathroom remodel with fixture allowance, tile, labor, permits, and contingency.
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Landscape Grading Cost Estimator
Estimate grading and haul-off costs using area, cut/fill depth, and erosion control allowances.
Open calculator →Why people trust us
Built for real-world decisions
Concrete, drywall, decking, roofing, and landscaping calculators that help you buy the right amount the first time.
Site-ready defaults
Standard board sizes, coverage rates, and bag yields are preloaded for dependable baselines.
Waste & contingency controls
Tweak the waste percentage or overage to match how your crew prefers to work.
Explain-your-math copy
Each calculator lists formulas and assumptions so clients know how you reached the estimate.
Explore related categories
Hop to another topic to keep your project or plan moving.
FAQs
- How accurate are the material estimates?
- They rely on common lumber sizes, mix densities, and coverage rates. Always confirm measurements on site before ordering.
- Can I adjust the waste percentage?
- Yes. Most tools include a waste or overage field you can edit for your project.
- Are these calculators useful for professional bids?
- They're perfect for quick-turn quotes or homeowner planning. Verify against project specs before finalizing contracts.