Construction Calculators
Construction calculators for materials, concrete, roofing, flooring, and renovation estimates
Construction Tools
149 calculatorsBTU Calculator
Calculate recommended BTUs for heating or cooling any room from dimensions and insulation. Get accurate BTU/hr and AC tonnage sizing with instant results.
Concrete Calculator
Calculate the exact amount of concrete needed for any slab project using length, width, and depth. Free online concrete volume calculator with bag estimates, cubic yards, cubic feet, and total cost breakdowns.
Engine Horsepower Calculator
Free engine horsepower calculator computes power output from torque and RPM using the standard formula HP = (Torque x RPM) / 5252. Ideal for automotive enthusiasts and mechanics.
Gravel Calculator
Calculate the exact amount of gravel for driveways, paths, and landscaping projects. Enter length, width, and depth to get cubic yards, weight in tons, and total cost with breakdown charts.
Horsepower Calculator
Estimate your car horsepower from quarter-mile elapsed time or trap speed using drag racing formulas. Free online automotive performance tool with charts for car enthusiasts.
Mulch Calculator
Estimate the exact amount of mulch needed for garden beds and landscaping projects. Enter area in sq ft and depth in inches to get cubic yards, cubic feet, and bags required.
Ohm's Law Calculator
Calculate voltage, current, resistance, and power using Ohm's Law with this free online electrical calculator. Enter any two values to find the remaining properties instantly.
Roofing Calculator
Estimate roofing materials, squares, labor costs, and total project cost with our free roof calculator. Enter length, width, and pitch for instant results.
Stair Calculator
Design your staircase with this free stair calculator. Computes number of steps, riser height, tread depth, and stringer length from total rise and run for building code compliance.
Tire Size Calculator
Calculate tire size: diameter, sidewall height, circumference, and revs per mile from tire code. Free tire calculator with dimensional and composition charts.
Air Changes Per Hour
Calculate air changes per hour (ACH) for any room using length, width, height, and airflow in CFM. Free online ventilation calculator with charts and room-type guidelines.
Air Conditioner Room Size
Find the right AC size for any room with BTU/hr, tonnage, and watt recommendations. Enter dimensions, ceiling height, room type, sun exposure, and occupancy for accurate HVAC sizing.
Aluminum Weight
Calculate aluminum weight by alloy type and dimensions — sheets, plates, and pieces. Free online estimator with kg and lb results for construction and manufacturing projects.
Angle Cut
Calculate precise angle cuts for knee bracing in woodworking and construction. Free online angle cut calculator with cutting angles, outer and inner length, and cut dimension breakdown charts.
Angle Of Depression
Calculate the angle of depression from vertical and horizontal distances. Free trigonometry calculator with instant degrees, elevation grade, and distance.
Elliptical Arch Calculator
Calculate elliptical arch focus points, focal distance, semi-axes, and approximate perimeter from span and rise. Free online arch calculator for construction, woodworking, and home renovation projects.
Asphalt Calculator
Calculate the exact amount of asphalt needed for driveways, parking lots, and road projects. Enter dimensions and thickness to get volume, weight in tonnes, and total cost with charts.
Baluster Calculator
Calculate the exact number of balusters needed for deck railings, stairs, and fences. Enter length, post count, and spacing for accurate material estimates.
Beam Deflection Calculator
Calculate beam deflection, maximum displacement, and flexural rigidity for simply-supported and cantilever beams under point or uniformly distributed loads. Free online structural engineering tool for engineers and students.
Beam Load
Calculate support reactions for a simply-supported beam under multiple point loads. Free online structural engineering tool with bar and doughnut charts for engineers and students.
Bending Stress Calculator
Calculate max bending stress on rectangular, square, and circular beams using σ = M×c/I. Engineering tool with section modulus and moment of inertia results.
Birdsmouth Cut
Calculate birdsmouth cut rafter dimensions online. Get rafter run, rise, total length, heel cut depth, min ridge board depth for any roof pitch and width.
Board And Batten
Calculate boards, battens, furring strips, and trims needed for board and batten wall siding. Get material length estimates and visual breakdown charts for your project.
Board Foot Calculator
Calculate board feet for lumber projects instantly. Enter length in feet, width and thickness in inches to get board footage, cubic feet volume, and total cost with charts.
Board On Board Fence
Calculate posts, sections, rails, and pickets needed for a board-on-board privacy fence. Enter fence length, height, picket width, and overlap for instant material estimates with charts.
Boiler Size Calculator
Calculate the minimum boiler size in kW for any home based on bedrooms, bathrooms, boiler type, and insulation. Free online heating sizing tool.
Bolt Circle Calculator
Calculate bolt hole XY coordinates for circular bolt patterns. Enter number of holes, radius, and angle to get precise positions for CNC machining and drilling.
Bolt Torque
Calculate bolt tightening torque and clamping force using T = K × F × d. Select bolt material, diameter, lubrication, and clamping force for the recommended torque with charts.
Bowl Segment
Calculate bowl segment dimensions for segmented wood turning. Get cutting angle, segment lengths, thickness, and ring circumferences for any bowl size.
Electrical Box Fill Calculator
Calculate electrical box fill volume per NEC 2020 Table 314.16(B). Enter conductors, devices, clamps, and grounding wires for accurate volume allowances.
Carbon Equivalent Calculator
Calculate carbon equivalent of steel from alloy composition using AWS, IIW, and JWES formulas. Free online tool for welding engineers and metallurgists.
Cement Calculator
Calculate the exact amount of cement, sand, gravel, and water needed for concrete, mortar, or cement-only mixes. Get volume in m³, bags, weight, and cost with charts. Free construction material estimator.
CFM Calculator
Calculate required airflow in CFM for any room using length, width, ceiling height, and desired air changes per hour. Free online HVAC ventilation calculator with charts.
Chicken Coop Size Calculator
Calculate the minimum recommended chicken coop floor area for your flock. Enter regular and bantam chicken counts and their living arrangement for accurate sizing.
Clearance Hole
Calculate fastener clearance hole diameter using the formula CH = (df + dh) / 2 for bolts and screws in mm or inches. Includes ASME fit class reference.
Concrete Block
Calculate the number of concrete blocks, total material cost, and mortar bags needed for any wall project. Enter wall height, width, and block size for instant results with charts and breakdowns.
Concrete Block Fill
Calculate concrete or mortar volume needed to fill concrete block cores for any wall project. Enter wall dimensions and block size for fill volume, bags, and cost with charts.
Concrete Column
Calculate the exact concrete volume, bags, weight, and cost for square or rectangular columns with waste factor, quantity input, and detailed breakdown charts.
Concrete Cylinder Calculator
Calculate concrete volume, bags, weight, and cost for cylindrical columns using diameter and height. Free online estimator with waste factor and breakdown charts.
Concrete Driveway Cost
Estimate concrete driveway materials and costs including concrete volume, gravel base, rebar reinforcement, forms, and total project price with charts.
Concrete Slab
Estimate concrete volume in cubic yards, bags needed, total cost, and weight for any concrete slab project. Free online construction calculator for contractors and DIYers.
Concrete Stairs
Calculate the exact concrete volume in cubic feet and yards for stairs with steps, tread run, riser rise, throat depth, and width. Free online construction estimator with cost, bags, and weight breakdowns.
Concrete Tube Calculator
Calculate concrete volume, bags, weight, and cost for hollow tube-shaped columns and piers using outer/inner diameter and height. Free online construction estimator with waste factor and breakdown charts.
Concrete Weight Calculator
Calculate concrete weight by volume from length, width, depth, and concrete type. Get precise results in pounds, kilograms, and metric tons with breakdown charts for construction planning.
Countersink Depth Calculator
Calculate the exact conical countersink depth from diameter and angle using depth = (diameter/2) / tan(angle/2). Free online construction calculator for flat-head screw countersinking.
Crushed Stone
Estimate crushed stone volume in cubic yards, weight in tons, and total cost for landscaping and construction projects. Free online calculator with charts.
Cubic Yard
Calculate volume in cubic yards and cubic feet from length width and depth. Free online construction calculator with material cost estimation for concrete gravel mulch and excavation projects.
Deck Stain
Calculate the exact amount of deck stain needed for your deck floor, railing, and steps. Free online estimator with area breakdowns, coverage charts, and multi-coat planning.
DIY Shed Cost
DIY shed cost estimator — calculate floor, wall, and roof costs with area breakdowns, rafter length, and charts for flat, slanted, and gable roof sheds.
Door Header Size
Find the right door header size for any rough opening with our free calculator. Supports 4x4 to 4x12 headers with max span, recommended size, and comparison charts for framing projects.
Elevation Grade Calculator
Calculate elevation grade, slope percentage, and angle of elevation from rise and run distances. Free online construction calculator for surveying, road design, and terrain analysis with charts.
Epoxy Calculator
Calculate the exact epoxy resin and hardener volume needed for rectangular or circular surfaces. Free online epoxy calculator with volume in gallons, fluid ounces, and 2:1 mix ratio breakdown.
Fence Cost
Estimate fence costs including posts, rails, pickets, and concrete. Enter your fence length, height, and post spacing for instant cost breakdowns with charts.
Fence Estimate
Estimate fence materials including posts, rails, pickets, and concrete volume for any fencing project. Free online material estimator with quantity breakdown and concrete volume charts.
Fence Material
Calculate fence posts, rails, pickets, and concrete needed for fencing projects. Free fence material estimator with instant quantity breakdowns and charts.
Fence Perimeter
Calculate the total linear footage of fencing needed for any rectangular lot with our free fence perimeter calculator. Enter length, width, and gate opening for accurate material estimates with charts.
Fence Picket Calculator
Calculate the exact number of fence pickets, posts, rails, and total rail length needed for any fencing project. Free fence material estimator with charts.
Fence Post Depth
Calculate the exact depth needed for fence posts based on fence height and depth ratio. Free online fence post depth calculator for DIY and construction with post length and depth chart.
Fire Flow Calculator
Calculate required fire flow (RFF) in GPM for firefighting using NFA and IOWA methods. Enter building length, width, height, floors on fire, and exposures for accurate water supply estimates and charts.
Fire Glass
Calculate the exact amount of fire glass needed for your fire pit or fireplace. Enter shape, dimensions, glass type, and depth for volume, weight, and cost.
Floor Area Ratio (FAR) Calculator
Calculate floor area ratio (FAR), FSI, loading factor, and open space ratio for any building project. Free FAR calculator for real estate professionals.
Framing Calculator — Wall Stud Estimator
Calculate the exact number of wall studs needed for any framing project with OC spacing, waste factor, and cost. Free stud calculator for construction and DIY.
French Drain Calculator
Estimate gravel volume, pipe length, and trench dimensions needed for a French drain installation. Free online material estimator with breakdown charts.
Square Feet to Cubic Yards (ft² to yd³) Calculator
Convert square feet to cubic yards instantly with this free online calculator. Enter length, width, and depth in inches to calculate volume in cubic yards for concrete, mulch, soil, and landscaping.
Furnace Size
Calculate the recommended furnace size in BTU/hr and kW for any room based on climate zone, floor area, insulation, sunlight exposure, and furnace efficiency. Free online heating capacity calculator with charts.
Gallons Per Minute (GPM) Calculator
Calculate water flow rate in gallons per minute (GPM) from volume and time. Free online GPM calculator with flow rate conversions to LPM and GPH for plumbing, irrigation, and pump sizing.
Gallons Per Square Foot
Free gallons per square foot calculator — convert square feet to gallons for any container. Enter length, width, and depth in feet to get total gallons, gallons per sq ft, and volume.
Gambrel Roof Calculator
Calculate gambrel roof dimensions, rafter lengths, roof area, and attic volume using the two-pitch method. Free tool for barns, sheds, and Colonial homes.
Glass Weight
Calculate glass weight by dimensions, glass type, and quantity. Free online weight estimator for annealed, tempered, laminated, and more glass sheets in kg and lb.
Gravel Driveway
Free online gravel driveway calculator — estimate crushed stone volume in cubic yards, weight in tons, and total material cost. Enter driveway length, width, and depth for instant results.
Grout Calculator
Calculate the exact amount of tile grout needed for any tiling project. Enter surface dimensions, tile size, and gap width for volume and bags needed.
Heat Loss
Calculate heat loss for any room to determine heater size. Enter dimensions, insulation type, windows, and temperature for heat loss in watts and BTU/h.
Hole Volume Calculator
Calculate hole volume and concrete needed for rectangular or cylindrical holes in construction projects. Enter shape, dimensions, number of holes, and waste percentage for instant volume estimates.
Hoop House Calculator
Calculate hoop house surface area, heat loss, heater capacity, and material cost for gable and arched greenhouses. Free online greenhouse sizing calculator for farmers and gardeners.
Insulation R-Value Calculator
Calculate total R-value and U-value of wall, ceiling, or floor insulation. Select from 50+ building materials and thicknesses for accurate thermal resistance results with charts.
Junction Box Sizing
Calculate minimum junction box dimensions per NEC 2020 Article 314.28 for straight pulls and angle pulls with conduit trade sizes and instant results.
K Factor Calculator – Sheet Metal Bending
Calculate the K-factor for sheet metal bending. Enter thickness, inner radius, bend angle, and bend allowance for instant K-factor and neutral axis results.
Ladder Angle
Calculate the safe ladder angle for working at height. Enter reach height and base distance to get the angle, working length, and 4-to-1 rule safety check.
Limestone
Calculate the exact amount of limestone rock needed for driveways, walkways, and landscaping. Enter dimensions, select limestone type, and get volume, weight, and cost with charts.
Liters Per Minute
Calculate flow rate in L/min from volume and time or pipe diameter and velocity. Free LPM calculator with GPM and CFM conversions for plumbing, HVAC and irrigation.
Log Weight Calculator
Calculate the weight of any wood log by species and dimensions using Hubers formula. Free online log weight estimator with 65+ wood species for construction, logging, and transportation planning.
Lumber Calculator
Calculate lumber volume, total length, and cost for construction projects. Enter board length, width, thickness, and quantity for instant material estimates with charts.
Lumber Weight Calculator
Calculate lumber weight by wood species, board dimensions, and quantity with our free online estimator. Choose from 65+ wood species with density data for accurate weight and volume.
Material Removal Rate
Material removal rate calculator for turning, milling, drilling, grooving, and grinding. Enter depth, feed, and speed to get instant MRR in mm³/min with charts.
Metal Roof Cost
Estimate metal roof materials, number of panels needed, and total cost using roof dimensions and panel size inputs. Free calculator with instant breakdowns and charts.
Metal Weight Calculator
Calculate metal weight for any alloy type, shape, and dimensions. Free online estimator for steel, aluminum, brass, copper, and 25+ alloys with instant results.
Miter Angle
Calculate miter cut angles for woodworking, crown molding, and picture frame projects. Free online miter angle calculator with miter saw angles and bar charts.
Mortar Calculator
Calculate the exact number of mortar bags needed for brick or concrete block walls. Enter unit count, brick size, and bag weight for instant mortar estimates with charts.
Paver Calculator
Estimate the exact number of pavers needed for any patio, driveway, or walkway project. Enter dimensions, paver size, and costs for instant results with breakdown charts.
Paver Sand
Estimate sand volume, weight, and cost for paver patios and walkways. Enter dimensions, depth, density, and waste for instant material estimates with breakdown charts.
Pea Gravel Calculator
Estimate pea gravel volume in cubic yards, weight in tons, bags needed, and total cost for driveways, pathways, patios, and landscaping projects with instant charts.
Pipe Volume Calculator
Calculate pipe inner volume, wall volume, and liquid mass using inner diameter and length. Free online estimator for plumbing, HVAC, and construction projects.
Pipe Weight Calculator
Calculate pipe weight, volume, and linear density for steel, PVC, aluminum, and copper pipes. Enter outer diameter, wall thickness, and length for instant pipe weight results with charts.
Pitch Diameter
Calculate ISO metric thread pitch diameter for external and internal threads using d₂ = d − 0.6495 × P. Free online thread calculator with tolerance classes (6g, 6H) and sizing charts for engineers and machinists.
Plate Weight Calculator
Calculate plate weight for steel, aluminum, brass, copper, and 25+ materials. Enter plate shape, dimensions, thickness, and quantity for instant weight results with charts.
Plywood Calculator
Calculate the exact number of plywood sheets needed for flooring, walls, or ceilings. Enter surface dimensions and sheet size to get total sheets, area, cost, and waste breakdown with charts.
Pond Calculator
Calculate pond volume, surface area, and liner size for garden and fish ponds. Free construction calculator with charts for landscaping and backyard projects.
Pool Volume Calculator
Calculate swimming pool water volume in cubic feet, US gallons, and liters. Free online pool size calculator for rectangular, oval, and circular pools with interactive charts.
Post Hole Concrete
Estimate concrete volume for fence post holes with our free calculator. Enter post shape, dimensions, depth, and quantity for instant material estimates with breakdown charts.
Privacy Fence Calculator
Estimate materials for a privacy fence including posts, rails, pickets, and concrete volume. Free online privacy fence material estimator with quantity breakdown charts.
Punch Force
Calculate the force required to punch a hole in sheet metal using perimeter, thickness, and material shear strength. Free online punch force calculator with material comparison chart for engineers.
Rafter Length Calculator
Calculate rafter length using roof rise and run or roof pitch. Free roof truss calculator for rafter dimensions, roof angle, and pitch with interactive charts.
Ramp Slope Calculator
Calculate ramp slope angle, elevation grade, ramp length, and slope ratio for wheelchair ramps, loading ramps, and construction projects. Free ramp slope calculator with ADA compliance reference.
Rebar Calculator
Estimate rebar needed for concrete slab reinforcement. Enter slab dimensions, spacing, and edge clearance for grid size, total rebar length, pieces, and cost with charts.
Retaining Wall Calculator
Free online retaining wall calculator for landscaping and construction projects. Estimate blocks, cap blocks, backfill gravel volume, weight, and total material cost with charts and detailed breakdowns.
Rip Rap Calculator
Calculate rip rap rock size (D50) using the Isbash equation for erosion protection on embankments, shorelines, and streambeds. Free online riprap calculator with volume, weight, and cost estimates.
River Rock Calculator
Free river rock calculator: estimate volume in cubic yards, weight in tons, and total project cost for landscaping projects. Select from 20+ rock types matching pea gravel, granite, quartzite, and more with instant results and charts.
Rivet Size Calculator
Determine the correct rivet shank diameter, shank length, and hole size for button head and countersunk rivets based on material thickness. Free online rivet sizing tool with charts.
Road Base Calculator
Estimate road base gravel volume, compacted material weight, and total cost for driveways and roads. Enter length, width, depth, density, and compaction for instant material estimates.
Rolling Offset Calculator
Calculate rolling offset for pipe runs with horizontal and vertical offsets and fitting bend angle. Free rolling offset calculator for plumbers and pipe fitters with instant true offset, travel, and run results.
Roof Pitch Calculator
Calculate roof pitch, rafter length, roof slope percentage, roof angle in degrees, and pitch ratio (x:12). Free online roof pitch calculator for construction and renovation projects.
Roof Shingle Calculator
Free roof shingle calculator — estimate bundles, individual shingles, squares, and total material needed for any roofing project. Enter roof length, width, and pitch for instant results.
Roof Truss Calculator
Free online roof truss calculator for rafter length, truss count, roof pitch percentage, and total cost estimation. Enter rise, run, roof length, spacing, and cost per truss for instant results with breakdowns and charts.
Round Pen Calculator
Calculate the exact number of round pen panels needed for horse training pens, cattle enclosures, and animal corrals. Enter diameter and panel length for instant circumference and panel count with charts.
Sag Calculator
Free online sag calculator — compute the sagitta (arc height) of a curved surface using radius of curvature and chord diameter. Perfect for suspension tuning, arch design, and construction geometry.
Sand Calculator
Free online sand calculator for construction and landscaping — estimate volume in m³, ft³, weight in kg and tonnes, and total material cost with charts.
Sealant Calculator
Free online sealant calculator — estimate silicone, polyurethane, and caulk volume for construction projects. Enter gap dimensions to get packages needed and total cost with charts.
Shiplap Calculator
Free online shiplap calculator — estimate boards needed, material cost, and installation cost for any wall project with instant results and charts.
Siding
Estimate siding materials needed for your wall project — calculate gross wall area subtract door and window openings and get total siding quantity and cost.
Size to Weight Rectangular Cuboid Calculator
Find the weight of any rectangular cuboid from length, width, height, and material density. Free size-to-weight calculator with 15 material presets and instant kg and lb results.
Snow Load Calculator
Free online snow load calculator — estimate the weight of snow on your roof using roof dimensions, pitch, snow thickness, and snow type. Get snow load in psf, total weight, and roof area instantly.
Sonotube Calculator
Calculate exact concrete volume in cubic yards, number of premix bags, total weight, and material cost for Sonotube round column projects using diameter and height inputs with charts.
Spindle Spacing Calculator
Spindle spacing calculator for railing balusters. Enter railing distance, spindle width, and max gap for exact spindle count, spacing, and end gaps with charts.
Spindle Speed Calculator
Free online spindle speed calculator — compute spindle RPM and feed rate for lathe, milling, and CNC machining using cutting speed, diameter, teeth count, and feed per tooth with charts.
Spiral Staircase
Design spiral stairs: compute steps, riser height, tread angle, inner/outer arcs, handrail, stringer length, stair angles, and headroom from diameter, rotation angle, and total rise.
Square Meter Calculator
Calculate the area of any rectangular space in square meters and square feet with this free online area calculator for construction, flooring, tiling, painting, and real estate projects with instant results and charts.
Square Yard Calculator
Calculate the area of any rectangular space in square yards, square feet, and square meters. Free online area calculator for construction, landscaping, flooring, and real estate.
Square Yards Calculator
Calculate the area of any rectangular space in square yards with instant conversions to sq ft and sq m plus material cost estimation. Free online square yards calculator for construction, landscaping, flooring, and real estate planning.
Stair Carpet Calculator
Calculate exact carpet length, area, and cost for any staircase. Enter number of steps, riser height, tread depth, and stair width for instant results with charts.
Steel Plate Weight Calculator
Calculate steel plate weight by dimensions, steel alloy type, and quantity. Get instant results in kg and lbs with volume, density breakdowns, and weight comparison charts for construction and fabrication.
Steel Weight Calculator
Calculate steel weight for round, square, hex bars, plates, pipes. Pick shape and alloy, enter dimensions for instant kg/lb weight with volume and density info.
Stone Weight Calculator
Calculate stone weight, volume, and cost for construction and landscaping. Pick rectangular or circular shapes with granite, marble, limestone, sandstone, gravel, concrete, or crushed stone materials.
Taper Calculator
Calculate taper per inch, taper per foot, and taper angle from major and minor diameters. Free taper calculator for machining & engineering with charts.
Metric Thread Dimensions Calculator
Calculate metric thread dimensions for ISO screw threads: pitch diameter, minor diameter, fundamental triangle height, and tolerance class limits for external threads by grade and position.
Thread Pitch Calculator
Calculate thread pitch in mm and inches from thread length and number of threads or from TPI. Free online thread pitch calculator for metric and imperial fasteners with charts.
True Position Calculator (GD&T)
Calculate true position deviation, position variation, bonus tolerance, and total tolerance for GD&T position tolerancing with MMC and LMC support. Free online engineering tool with offset summary and charts.
Vertical Curve Calculator
Compute vertical curve elevations for roadway design — PVI, EVC, K-value, crest/sag points, elevation at any distance, and grade comparison with charts.
Vinyl Fence
Calculate columns, panels, tie beams, and spans needed for a prefab vinyl fence project. Enter fence length, height, panel size, and column width for instant material estimates with charts.
Vinyl Fence Cost
Estimate total material cost for a prefab vinyl fence project. Enter fence dimensions, panel sizes, and unit prices to calculate columns, panels, and tie beams needed with cost breakdown.
Vinyl Siding
Estimate vinyl siding panels, J-channels, undersill, starter strips, and total project cost for any exterior wall. Enter wall dimensions, openings, panel sizes, waste factor, and trim prices for accurate material estimates.
Wainscoting Calculator
Plan wainscoting panel layout with this free tool. Get panel width, stile spacing, panel height, and material length for shadow box or recessed designs.
Welding Calculator
Calculate weld joint strength for fillet and butt welds: single, double transverse, parallel, U-shaped, and butt. Free online welding strength calculator.
Wood Beam Span Calculator
Calculate wood beam capacity using NDS design values. Check deflection, bending stress, and shear stress for any wood species, grade, and beam size under uniformly distributed loads with charts.
Wood Fence Calculator
Estimate posts, rails, pickets, and concrete needed for a wood privacy fence. Enter fence length, height, and picket dimensions for instant material quantities with charts.
AC Tonnage Calculator
Calculate the required AC tonnage and BTU/hr for any room using Quick Estimate or Manual J methods. Free online HVAC sizing tool with breakdown charts.
Decking Material Calculator
Estimate decking boards, fasteners, and total cost for your deck project. Free online deck material calculator with material estimates, cost breakdown, and charts.
Stairs
Free stair calculator for staircase design. Compute steps, riser height, tread depth, and stringer length from total rise. Choose standard or flush mount with comfort and IRC code analysis.
Tonnage Calculator — Construction Material Weight
Calculate the tonnage of construction aggregates like gravel, sand, and crushed stone from dimensions and material density. Free online weight estimator with breakdowns.
Trump's Wall Calculator — Border Wall Construction Cost
Estimate the total cost of building the US-Mexico border wall. Get detailed cost breakdowns for concrete manufacturing, transportation, assembly, guards, and maintenance with interactive charts.
Walls & Floors
4 calculatorsTile Calculator
Estimate the number of tiles needed for any floor or wall project with this free tile calculator. Enter dimensions, tile size, and waste percentage for precise material estimates with breakdown charts.
Floor Joist Calculator
Calculate floor joist count, end joists, and material cost for deck or floor framing. Supports 2x4 to 2x12 lumber sizes with on-center spacing, waste, and charts.
Thinset Calculator
Estimate the exact amount of thinset mortar for any tiling project. Enter area dimensions and tile size to get thinset volume, weight, bags needed, and total material cost with charts.
Wall Square Footage
Calculate wall area in square feet from length and height for painting, drywall, and construction. Free wall measurement calculator with paint coverage estimates.