Calculator collection · 69 distinct tools
Construction & DIY Calculators
Estimate area, concrete and tile quantities with visible assumptions and formulas.
Start with measured geometry, then use editable product coverage, package size, waste, density or material rates. MAXScanner avoids burying supplier-specific values inside the formula.
Open a real interactive tool instead of landing on a thin keyword page.
Formulas, units and assumptions stay visible beside the result.
Move between genuinely different calculations inside one collection.
Supplier, manufacturer, drawing and standards data remain authoritative where required.
Choose the calculation that matches the job
Each page owns a distinct input/output task. Reciprocal forms stay together when the underlying job is the same.
Calculator
Square Footage Calculator
Calculate square footage for rectangles, circles and triangles, convert the area to square meters and estimate cost from a price per square foot.
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Concrete Calculator — Slab and Cylinder Volume
Estimate concrete volume for a rectangular slab or cylindrical pour in cubic feet, cubic yards and cubic meters, with an optional waste allowance.
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Tile Calculator — Tiles, Boxes and Waste Allowance
Estimate tiles needed from room dimensions and tile size, add a waste allowance, then optionally calculate boxes and simple material cost.
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Feet and Inches Calculator
Add, subtract, multiply, divide or convert feet and inches, including decimal and fractional inch inputs, with decimal feet and metric equivalents.
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Scale Calculator — Drawings, Maps and Models
Convert real measurements to scaled drawing or model sizes, convert scaled sizes back to real dimensions, or find the 1:N scale ratio.
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Board Foot Calculator — Lumber Volume & Cost Basis
Calculate board feet from lumber thickness, width, length and quantity, then add an optional waste allowance for a project tally.
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Flooring Calculator — Square Feet, Waste & Boxes
Add up to three room areas, apply a user-selected waste allowance and estimate whole boxes from the exact coverage printed on the flooring package.
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Roof Pitch Calculator — Rise, Run, Angle & Slope
Convert roof rise and run into pitch per 12, angle in degrees, percent slope and slope factor, with an optional rafter-line geometry result.
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Gravel Calculator — Cubic Yards & Tons
Estimate gravel volume from length, width and depth, add a project allowance and convert cubic yards to tons using a density you can verify with the supplier.
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Paint Calculator — Walls, Ceiling, Coats & Containers
Estimate paint volume from room dimensions, exact opening area, separate wall and ceiling coats, product coverage, waste and optional container size and price.
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Paver Calculator — Pavers, Waste, Base & Bedding Volume
Estimate paver count from project and paver dimensions, apply a user-selected waste allowance and calculate base and bedding cubic yards from explicit layer depths.
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Stair Calculator — Riser Height, Tread Depth & Stringer Geometry
Calculate equal riser height, tread depth, tread count, stair angle and straight stringer length from total rise, total run and a chosen number of risers.
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Rectangle Diagonal Calculator — Square-Up & Pythagorean Check
Calculate the corner-to-corner diagonal of a rectangle from length and width, then optionally compare a field-measured diagonal with the theoretical value.
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Bend Allowance Calculator — K-Factor, Deduction & Flat Length
Calculate sheet-metal bend allowance, outside setback, bend deduction and single-bend flat length in mm or inches, with reverse K-factor calibration.
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Duct Weight Calculator — HVAC Sheet Metal kg/m & Total
Calculate rectangular or round HVAC duct sheet-metal weight per metre and total project mass from dimensions, thickness, density and fabrication allowance.
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Drywall Calculator — Sheets, Screws, Tape & Joint Compound
Estimate drywall sheets from room dimensions, openings, ceiling choice, panel size and waste, then add editable planning rates for screws, tape, compound and sheet price.
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Plywood Calculator — Sheets, Waste & Project Cost
Total up to three rectangular sections, apply an editable waste allowance and estimate whole plywood sheets from the exact sheet dimensions and optional price you enter.
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Carpet Calculator — Room Area, Waste, Square Yards & Cost
Add up to three rooms, convert square feet to square yards, apply an editable waste allowance and estimate material cost with an optional price per square foot or square yard.
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Wallpaper Calculator — Strips, Pattern Repeat & Rolls
Estimate wallpaper strips and whole rolls from wall width, height, roll dimensions, pattern repeat, waste and optional roll price, with the drop length shown explicitly.
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Fence Calculator — Posts, Panels, Rails & Pickets
Estimate fence posts, bays, panels, rails and pickets from a run length, gate openings, spacing and editable material rates instead of assuming one fence style.
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Post Hole Concrete Calculator — Volume, Bags & Cost
Calculate concrete volume for round post holes from diameter, depth and quantity, then round to whole bags using the bag yield and waste allowance you enter.
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Deck Board Calculator — Boards, Fasteners, Linear Feet & Cost
Estimate deck-board rows, linear feet, whole stock boards, board-to-joist intersections, fasteners and optional board cost from deck size, board width, gap, stock length and joist spacing.
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Rafter Length Calculator — Span, Pitch, Overhang & Rafter Count
Calculate common-rafter line length, roof rise, slope factor, angle, overhang extension and an optional rafter count from span, pitch, ridge thickness, building length and spacing.
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Paver Base Calculator — Gravel, Bedding Sand, Tons & Bags
Estimate paver sub-base and bedding-layer volume from project dimensions and explicit depths, then convert base volume to adjusted cubic yards, tons and bags using editable compaction, density and bag size.
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Polymeric Sand Calculator — Paver Joint Bags & Joint Volume
Estimate polymeric sand bags using product-label coverage or an explicit rectangular-paver joint-volume model with paver size, joint width, fill depth, bag yield, allowance and optional price.
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Concrete Footing Calculator — Round, Square & Rectangular Footings
Calculate concrete volume for round piers, square pads or rectangular/strip footings, multiply by quantity, add an editable allowance and round to whole premix bags from entered bag yield.
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Concrete Steps Calculator — Solid Stair Volume, Bags & Cost
Estimate concrete for a simple solid stair mass from step count, rise, tread and width using a stacked-prism model, with optional landing depth, allowance, bag yield and material cost.
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Brick Calculator — Bricks, Mortar, Cement, Sand & Cost
Estimate bricks for one or more walls after opening deductions, then calculate wet and dry mortar, cement bags, sand volume and optional material cost from actual brick dimensions and mortar-joint inputs.
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Concrete Block Calculator — CMU Blocks, Mortar, Grout, Pallets & Cost
Estimate concrete blocks for a wall after opening deductions, then plan mortar bags, pallets and optional core-fill grout from actual block-face dimensions and editable product coverage, void fraction and bag-yield inputs.
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Asphalt Calculator — Compacted Volume, Tons, Truckloads & Cost
Calculate compacted asphalt volume, base mass, order tonnage, optional loose-volume planning, truckloads and material cost from measured area, finished thickness, entered density and order allowance in imperial or metric units.
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Mulch Calculator — Cubic Yards, Bags, Coverage, Weight & Cost
Estimate mulch volume from rectangular, circular or known bed area, then calculate whole bags, bulk quantity, coverage, optional supplier-density weight and bag-versus-bulk material cost in imperial or metric units.
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Tank Volume Calculator — Capacity, Partial Fill, Gallons, Litres & Weight
Calculate total and partial-fill volume for rectangular, vertical-cylinder, horizontal-cylinder, horizontal-elliptical, horizontal-capsule and spherical tanks, with litres, US/Imperial gallons, remaining capacity, liquid weight and optional fill/drain time.
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Pipe Volume Calculator — Litres, Gallons, Partial Fill, Weight & Fill Time
Calculate pipe internal capacity from actual bore or outside diameter plus wall thickness, including partial horizontal fill, multiple runs, fittings-length allowance, litres/gallons, fluid weight, volume per metre and optional fill/drain time.
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Retaining Wall Calculator — Blocks, Base, Drainage, Pipe & Cost
Estimate retaining-wall blocks, courses, caps, base gravel, drainage rock, drain-pipe allowance, aggregate weight and editable material costs from project dimensions.
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Board and Batten Calculator — Equal Spacing, Layout Marks & Materials
Lay out board-and-batten walls by target spacing or fixed batten count, then calculate exact clear gaps, on-center spacing, mark positions, linear footage, stock boards, waste and optional cost.
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Cabinet Door Calculator — Overlay, Inset, Pair Gap & Shaker Cut List
Calculate finished cabinet door dimensions for inset or overlay openings, single or paired doors, then estimate Shaker rail, stile and panel cut sizes from your actual joinery allowances.
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Wainscoting Calculator — Equal Panel Spacing, Rails, Stiles & Cost
Design symmetrical wainscoting from wall width, height, stile width and target panel width, with exact panel spacing, vertical and horizontal trim footage, stock-board count, waste and optional cost.
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Concrete Block Fill Calculator — CMU Core Volume, Bags & Cost
Estimate CMU core-fill grout or concrete from block count, manufacturer fill volume, filled-cell percentage, placement allowance, bag yield and optional bag price without assuming one universal block void size.
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Rebar Calculator — Slab Grid Bars, Length, Stock Pieces, Weight & Cost
Build a two-direction slab rebar quantity from measured length, width, edge cover and spacing, then estimate total bar length, lap/waste allowance, stock pieces, optional weight and material cost.
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Deck Stain Calculator — Surface Area, Coats, Gallons, Containers & Cost
Estimate deck stain or paint from deck, railing and stair surface area, product coverage, coat count, waste allowance and container size, with whole-container rounding and optional cost.
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Asphalt Sealer Calculator — Driveway Gallons, Pails & Material Cost
Calculate driveway or parking-area sealcoat from pavement area, coats, product coverage, allowance and pail size, with label-driven coverage, whole-container rounding and optional cost.
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Siding Calculator — Net Wall Area, Squares, Panels, Waste & Cost
Estimate siding from up to three wall rectangles, openings, waste and actual product coverage, returning net area, siding squares, whole panels/cartons and optional material cost without assuming one panel format.
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Roofing Shingle Calculator — Roof Area, Squares, Bundles & Cost
Estimate asphalt shingles from measured roof area or building footprint plus pitch, then add waste, convert to roofing squares, round field-shingle bundles and optionally estimate material cost.
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Lumber Weight Calculator — Board Dimensions, Board Feet, Density & Load
Estimate lumber volume and weight from actual board dimensions or total board feet using an editable wood density, with quantity, cubic-foot conversion and optional cost per board foot.
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Topsoil Calculator — Cubic Yards, Tons, Bags & Cost
Calculate topsoil volume from area and depth, then compare cubic yards, editable density-based tons, whole bags, settling allowance and optional bag cost.
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Compost Calculator — Cubic Yards, Bags, Weight & Cost
Estimate compost for beds or topdressing with depth, repeated areas, allowance, bag volume, editable bulk density and optional bag cost.
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Sod Calculator — Lawn Area, Pieces, Pallets, Waste & Cost
Estimate net sod area after openings, add cutting allowance, and convert the order into supplier-specific pieces or pallets with optional pallet cost.
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Grass Seed Calculator — Pounds, Bags & Overseeding Rate
Convert lawn area and your chosen label seeding rate into pounds of seed, allowance-adjusted quantity, whole bags and optional cost.
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Lawn Fertilizer Calculator — Nitrogen Rate to Product Pounds
Convert a chosen pounds-of-nitrogen-per-1,000-ft² target and fertilizer N analysis into product weight, whole bags and optional material cost.
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Raised Bed Soil Calculator — Volume, Bags & Mix Split
Calculate raised-bed fill volume, partial-fill percentage, bag count and an editable compost-versus-base mix split.
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Pond Liner Calculator — Sheet Size, Area & Roll Length
Size a rectangular pond liner from pond length, width, maximum depth and edge overlap, then estimate sheet area and roll lanes from an entered roll width.
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Firewood Calculator — Stack Volume, Full Cords & Value
Convert measured stacked firewood dimensions into stacked cubic feet, full cords and optional value while keeping ambiguous face-cord terminology separate.
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Landscape Fabric Calculator — Square Feet, Roll Coverage & Cost
Turn measured landscape area into allowance-adjusted fabric square footage, whole rolls, purchased coverage and optional roll cost.
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Irrigation Runtime Calculator — Inches per Week to Minutes per Zone
Convert a chosen weekly water-depth target and measured sprinkler precipitation rate into weekly runtime and minutes per watering, with explicit efficiency adjustment.
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Water Tank Volume Calculator — Liters, Gallons & Fill Level
Calculate rectangular or vertical cylindrical tank capacity and filled volume from inside dimensions, with liters, cubic meters and US gallons.
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Deck Board Calculator — Rows, Pieces & Linear Length
Estimate deck-board rows, stock pieces and total linear decking from deck dimensions, actual board face width, gap and stock length. The result is before project-specific waste or layout cuts.
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Concrete Weight Calculator — Volume, Density & Total Mass
Calculate concrete volume and estimated weight from slab dimensions and an editable density instead of assuming one universal mix weight.
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Pipe Volume Calculator — Internal Capacity in Liters & Gallons
Calculate full internal pipe capacity from actual inside diameter, length and pipe count, with liters, cubic meters and US gallons.
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Cylinder Volume Calculator — Volume, Surface Area & Fill
Calculate solid cylinder volume, lateral area, total surface area and optional filled volume from radius or diameter and height.
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Mulch Calculator — Cubic Yards, Liters & Bags
Calculate mulch volume from bed length, width and depth, then estimate cubic yards, liters and whole bags with an explicit waste allowance.
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Drywall Calculator — Sheets, Area & Waste
Estimate drywall sheets from rectangular room wall dimensions with an optional ceiling, subtract openings, add waste and use the entered sheet coverage.
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Wallpaper Calculator — Rolls, Repeat & Waste
Estimate wallpaper rolls from wall dimensions, openings, roll coverage, pattern-repeat allowance and waste.
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Topsoil Calculator — Volume, Tonnes & Bags
Calculate topsoil volume from area and depth, then estimate cubic yards, cubic meters, mass from density and bag count.
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Sand Calculator — Volume, Weight & Bags
Estimate sand volume, mass and bags from length, width, depth, density and bag size with an optional waste allowance.
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Fence Calculator — Posts, Panels & Pickets
Estimate fence posts, bays, panels and pickets from run length, post spacing, panel width and picket coverage.
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Post Hole Concrete Calculator — Volume & Bags
Calculate concrete around round posts from hole diameter, post diameter, embedment depth and post count, then estimate bags.
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Roofing Material Calculator — Squares, Shingles & Underlayment
Turn footprint and roof pitch into sloped roof area, then estimate roofing squares, shingle bundles and underlayment rolls with explicit waste.
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Landscape Fabric Calculator — Rolls, Overlap & Staples
Estimate landscape-fabric strips, roll count, overlap allowance, seam length and ground staples for a rectangular bed or path.
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Lumber Cut Calculator — Pieces, Kerf & Board Length
Estimate how many equal-length pieces fit in stock boards while accounting for saw kerf, then calculate stock-board count and offcut.
Open calculatorUseful next calculations
Move to a different formula only when the next question actually changes.
Area Converter
Move between square-foot, square-meter, acre and hectare measurements.
Percentage Calculator
Check waste, markups and percentage changes with visible formulas.
Feet & Inches Calculator
Add and convert tape-measure dimensions before a takeoff.
Scale Calculator
Move between drawing dimensions and real-world dimensions.
Explore adjacent calculator collections
Cross-cluster links help you move from measurement to project quantity, electrical relationships, money, statistics or media planning without flattening everything into one giant list.
Measurement Calculators →
Work with tape-measure dimensions, drawing scales, area and unit conversions.
Electrical & Engineering Calculators →
Solve foundational voltage, current, resistance and power relationships without hiding the formulas.
Statistics Calculators →
Paste datasets or enter study assumptions to calculate descriptive statistics, spread, correlation, regression, sample size, margin of error and exact combinatorics with formulas and working kept visible.
Fraction Calculators →
Work with fractions, decimals, mixed numbers and practical inch fractions with the simplifying steps kept visible.
Geometry Calculators →
Solve common 2D area, right triangles, general triangles, circles, rectangles, perimeter, volume and slope from explicit dimensions and formulas.
Screen, Image & Video Calculators →
Plan pixel density, physical screen dimensions, aspect ratios, video bitrate and file size before resizing, converting or compressing media.
Money & Business Calculators →
Model debt payoff, debt-to-income ratios, investment fee drag, discounted cash flows, IRR and sales commission with assumptions and working exposed.
Everyday Planning Calculators →
Solve practical planning, weather, science, logistics and engineering jobs with editable assumptions and visible working.
Formula first, assumptions visible
MAXScanner keeps editable rates, units and dimensions next to the result, shows the working where it helps, and avoids turning reciprocal formulas into duplicate pages. Product documents, financial terms, study design, drawings and applicable standards remain authoritative where required.