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Construction & Project Calculators
Estimate materials, quantities, project costs, yard work, and household energy before buying or building.
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Grouped by closely related intent, not one undifferentiated sitewide list.
Estimate costs and materials before you build.
Guides: Home-project guide · Contractor job-cost
Remodel & Project Costs21
🔨Basement Finishing CostEstimate finishing your basement🔨Bathroom Remodel CostEstimate a bathroom remodel🪵Deck CostEstimate a new deck🛣️Driveway CostPrice a new driveway🔗Fence CostPrice a new fence🚙Garage CostEstimate a new garage❄️HVAC Replacement CostFurnace or AC on its last legs?🔨Kitchen Remodel CostEstimate a kitchen remodel🌳Landscaping CostBudgeting a yard project?🧱Patio CostPrice a new patio🏊Pool CostEstimate a new inground pool🧱Retaining Wall CostPrice a retaining wall🏠Roofing CostEstimate a roof replacement🔨Room Addition CostEstimate adding on to your home🏚️Shed CostPrice a backyard shed🌞Sunroom CostPrice a sunroom🪟Window Replacement CostEstimate a window replacement project by the number of windows and type — from standard…🪜StairRisers, treads, stringer & code checks🔨Metal Roof Cost CalculatorInstalled metal roof range from footprint, pitch, material🪜Stair Carpet CalculatorCarpet for a staircase from tread, riser, and nosing — sq ft, sq💧French Drain CalculatorTrench gravel in cu yd and tons, plus pipe and fabric for a french
Materials & Quantities63
🧱FramingStud count, plates & cost for any wall🧱River RockRiver rock in tons, yards & bags from sq ft🧱RebarRebar grid: bars each way, linear ft & weight🛣️AsphaltEstimate the tons of hot-mix asphalt for a driveway or lot — with cubic yards and…📏Board FootCalculate board feet for a lumber order🧶Carpet CostEnter your room size and prices to estimate the all-in cost of new carpet — material,…🧱ConcreteCalculate everything a slab needs🍽️Countertop CostEstimate your new countertops🧱DrywallEstimate drywall for a room🪵Firewood CordGetting a fair deal on firewood?🪵FlooringCalculate flooring for a room and its cost🪨GravelFind how much gravel you need for a driveway, path, or base layer🎨PaintEstimate paint for a room and what it'll cost📐Square FootageMeasure the area of a room or space🔲TileFind how many tiles — and boxes — to buy🧻WallpaperEstimate wallpaper for a room📐Roof Pitch CalculatorRise and run to x/12 pitch, degrees, percent, and rafter multiplier🏗️Sonotube CalculatorConcrete volume and bag counts for round form tubes🏠Shingle CalculatorRoofing squares and bundle counts from footprint and pitch🏖️Sand CalculatorSand volume in yards, weight in tons, and 50 lb bag counts💨CFM CalculatorRequired fan airflow from room size and air changes per hour📏Square Yards CalculatorArea in square yards from any mix of feet, inches, and yards🧂Pool Salt CalculatorPounds of pool salt from volume and current vs target ppm♿Ramp CalculatorRamp length from rise at ADA and gentler slopes🪣GPM CalculatorGallons per minute from a timed bucket fill🪟Glass Weight CalculatorPane weight in lb and kg from size and thickness📉Beam Deflection CalculatorMidspan sag for simply supported beams, point or uniform load🪵Rafter Length CalculatorCommon rafter length, rise, and plumb cut from run and pitch🪨Crushed Stone CalculatorTons and yards of crushed stone from area and depth📦Cubic Yards CalculatorLength × width × depth to cubic yards, feet, and meters🔧Rolling Offset CalculatorPipe travel, true offset, and run for two-plane offsets🧱Brick CalculatorBrick and mortar counts for a wall, by brick size🏠Gambrel Roof CalculatorBarn-style roof area, rafter lengths, and shingle bundles🪣Paver Sand CalculatorBedding sand volume, bags, and tons for a paver patio🧱Concrete Block CalculatorCMU count, courses, and mortar bags from wall size🏡Vinyl Siding CalculatorSiding squares and boxes from house dimensions🪵Floor Joist CalculatorJoist count, lumber totals, and IRC span check🧰Wainscoting CalculatorEven panel layout and trim totals for wainscoting🟫Paver CalculatorPaver count by size with waste for patios and paths🚜Acres per Hour CalculatorField work rate from width, speed, and efficiency🏘Board and Batten CalculatorBatten count and siding sheets for board-and-batten walls🪨Limestone CalculatorCrushed limestone tons, yards, and bags from area and depth🔌DC Wire Size CalculatorCopper AWG for 12-48V DC runs from amps and length🪜Baluster Spacing CalculatorCode-legal equal baluster gaps and on-center layout🔩Steel Plate Weight CalculatorPlate weight in lb and kg from dimensions and alloy🔺Roof Truss CalculatorTruss count, peak height, and roof area for gable roofs🚿PSI to GPM CalculatorOrifice flow in GPM from pressure and diameter (NFPA 291)🚧Road Base CalculatorCubic yards and tons of road base from area, depth, and compaction💨Air Changes per Hour CalculatorACH from room size and CFM, plus CFM needed for a target rate⚙️Aluminum Weight CalculatorAluminum plate, bar, and tube weight in lb and kg by alloy🪵Plywood CalculatorSheets of plywood or OSB from area, waste factor, and sheet size🌲Log Weight CalculatorGreen log weight by species from diameter and length⚖️Tonnage CalculatorCubic yards and tons of gravel, sand, dirt, or asphalt from area🏗️Beam Span CalculatorBending- and deflection-limited span estimates for built-up wood beams🔩Thread CalculatorPitch, pitch diameter, minor diameter, and tap drill from diameter🔻Taper CalculatorTaper per foot, included and half angles, and ratio from two diameters🔧Thread Pitch CalculatorConvert TPI to metric pitch and back, with multi-start lead🌨️Snow Load CalculatorSnow weight in psf and total roof load from depth and snow type📐Miter Angle CalculatorMiter angle and saw setting from a corner angle or polygon sides📏Square Meters CalculatorArea in m² from meters, feet, or cm, with sq ft and sq yd💧Square Feet to Gallons CalculatorGallons from square feet and water depth, plus cubic feet and liters💡Lighting CalculatorRoom lumens from square feet and foot-candle targets, with bulb count🚿Shower Cost CalculatorPer-shower, monthly, and yearly cost from minutes, GPM, and energy
Yard & Garden7
🌱Grass SeedFind how much grass seed your lawn needs🌱Mulch & SoilFind how much mulch, topsoil, or compost a garden bed needs🌱SodFind how much sod to order for a new lawn💧Pond Volume CalculatorPond gallons, liters, and water weight from dimensions🚧Fence Picket CalculatorPicket count plus posts and rails for a wood fence🌳Tree Value CalculatorStanding timber board feet and dollar value by log rule🪚Board On Board Fence CalculatorPickets, posts, and rails for a board-on-board privacy fence
Energy & Utilities12
❄️Air Conditioner BTUSize an air conditioner for a room💡Appliance Energy UseWhat does that space heater (or fridge, or dryer) really cost?💡Electricity CostSee what a device really costs to run⚡Generator SizingBuy the right size, not the biggest❄️Heating BTUSize a furnace or heater💡Home Energy CostAdd up your home’s energy🧊InsulationEstimate blown-in insulation for an attic☀️Solar Panel SavingsWill solar pay off?🔥Furnace Size CalculatorFurnace BTU sizing from square footage, climate, and AFUE❄️HVAC Tonnage CalculatorCooling BTU and AC tonnage from square footage and climate🔋Battery Life CalculatorRuntime in hours from battery mAh and device draw⚡Battery Capacity CalculatorConvert mAh ↔ Wh at any voltage, with the airline 100 Wh check
Cross-category project planning6
🔁AcreageAcres from length x width in feet, yards, meters🔨Contractor Bid & Job CostPrice a job the right way🧊Cubic FeetL × W × H to ft³, yd³ and m³ from any unit👥Labor Burden & Employee CostFind what an employee really costs🔧Pipe Flow CalculatorWater velocity in a pipe from diameter and flow🧊Pipe VolumeGallons & water weight inside any pipe run
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