Calculator collection · 31 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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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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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, math 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 to calculate descriptive statistics, sample/population spread and weighted averages with the formulas, conventions and row-level working kept visible.
Fraction Calculators →
Work with fractions, decimals, mixed numbers and practical inch fractions with the simplifying steps kept visible.
Geometry Calculators →
Solve 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.
Formula first, assumptions visible
MAXScanner keeps editable rates and dimensions next to the result, shows the working where it helps, and avoids turning reciprocal formulas into duplicate pages. For product, electrical or construction decisions, manufacturer data, drawings and applicable standards remain authoritative.