Public Formula Registry

Browse published formula IDs, versions, documented assumptions and source/review status used by Construclytic calculators.

• CONC-SLAB-001 · Concrete slab — Use finished slab dimensions and depth to estimate net volume, then apply a practical waste allowance before ready-mix purchase rounding.
• CONC-FOOT-001 · Concrete footing — Use finished continuous-footing dimensions to establish concrete volume, then apply a visible waste allowance before supplier purchase rounding.
• CONC-WALL-001 · Concrete wall — This calculator turns a straight wall's length, height and thickness into a transparent concrete volume with purchase rounding.
• CONC-COLUMN-001 · Concrete column — This calculator applies the cylinder-volume formula to identical round concrete columns, then shows a ready-mix order and bag-equivalent estimate after allowance.
• CONC-DRIVE-001 · Concrete driveway — Use finished driveway dimensions and specified thickness to estimate concrete volume before a ready-mix purchase allowance is applied.
• CONC-PATIO-001 · Concrete patio — Use finished patio dimensions and thickness to calculate net volume, allowance and ready-mix purchase quantity transparently.
• CONC-BAG-001 · Concrete bag calculator — This calculator converts a rectangular pour into whole bags using the actual yield published for the selected bagged-concrete product.
• CONC-COST-001 · Concrete cost calculator — This calculator turns a user-entered ready-mix quantity and supplier rate into a transparent preliminary material-cost estimate.
• ROOF-SHINGLE-002 · Roof shingle calculator — This calculator converts a measured horizontal roof footprint into sloped roof area, squares, type-specific shingle bundles and underlayment rolls with a visible allowance.
• ROOF-PITCH-001 · Roof pitch calculator — This calculator converts a rise-per-12 roof pitch into a transparent slope multiplier and angle for preliminary material takeoffs.
• ROOF-METAL-001 · Metal roofing calculator — This calculator applies roof pitch to horizontal dimensions, then divides the adjusted area by the selected panel's net coverage after a visible allowance.
• ROOF-UNDERLAY-001 · Roofing underlayment calculator — This calculator converts a pitched roof area into whole underlayment rolls using the selected product's net coverage after required laps.
• ROOF-FLASH-001 · Roof flashing calculator — This calculator turns a measured linear flashing run into whole pieces using stated usable coverage and a visible allowance for laps and transitions.
• ROOF-WASTE-001 · Roofing waste calculator — Use this calculator to document the additional roof area required by a chosen waste allowance before package or supplier rounding.
• ROOF-COST-001 · Roofing cost calculator — This calculator uses a stated roof area, visible allowance and user-entered local material rate to form a preliminary planning cost.
• FLOOR-PACK-001 · Flooring material — Flooring package quantity is calculated from room area, product-label package coverage, and an explicit cut or pattern waste allowance.
• FLOOR-TILE-001 · Tile calculator — This calculator divides finished floor area plus a visible cut allowance by the coverage stated on the selected tile package.
• FLOOR-LAMINATE-001 · Laminate flooring calculator — This calculator converts measured floor area and an explicit waste allowance into whole laminate-carton quantity using selected-carton coverage.
• FLOOR-VINYL-001 · Vinyl flooring calculator — This calculator turns a measured vinyl-floor area, product coverage and visible cutting allowance into whole purchase packages.
• FLOOR-CARPET-001 · Carpet calculator — This calculator divides finished carpet area plus seam and cut allowance by the selected roll or cut's stated net coverage.
• FLOOR-UNDERLAY-001 · Flooring underlayment calculator — This calculator converts a floor area into whole underlayment rolls using the selected product's net coverage and a visible lap allowance.
• FLOOR-COST-001 · Flooring cost calculator — This calculator uses measured floor area, an explicit waste allowance and a user-entered material rate to create a preliminary material-only planning cost.
• PAINT-INTERIOR-002 · Interior paint calculator — This calculator measures all four interior room walls, deducts editable door and window areas, then applies selected coats and product-label coverage before whole-gallon rounding.
• DRYWALL-ROOM-002 · Drywall material calculator — This calculator converts room walls and an optional ceiling into whole drywall sheets, then shows transparent screw, joint compound and tape planning quantities.
• PAINT-WALL-001 · Wall paint calculator — This calculator converts one rectangular wall, the selected number of coats, product-label coverage and a visible allowance into a whole-gallon paint purchase quantity.
• PAINT-CEILING-001 · Ceiling paint calculator — This calculator turns ceiling area, selected coats, product-label coverage and a documented allowance into a whole-gallon paint purchase quantity.
• PAINT-COST-001 · Paint cost calculator — This calculator applies an editable per-gallon planning rate and optional material allowance to a known paint quantity, keeping the material-only cost visible.
• DRYWALL-COST-001 · Drywall cost calculator — This calculator applies an editable per-sheet planning rate and optional material allowance to a known drywall-sheet quantity, keeping the material-only cost transparent.
• LAND-MULCH-001 · Mulch calculator — Use landscape bed length, average width and compressed depth to estimate bulk mulch volume and whole-bag purchase needs.
• LAND-SOIL-001 · Soil calculator — This calculator turns a landscape bed's finished dimensions into a transparent bulk-soil volume with a visible settling and grading allowance.
• LAND-GRAVEL-001 · Gravel calculator — This calculator converts a rectangular gravel area and compacted depth into bulk volume, then applies a documented allowance before delivery rounding and density-based weight estimation.
• LAND-SOD-001 · Sod calculator — This calculator turns lawn area, supplier roll coverage and a visible cutting allowance into a whole-roll sod order.
• LAND-PAVER-001 · Paver calculator — This calculator divides a rectangular patio area by the face coverage of one paver and rounds to a whole-paver purchase quantity after a stated allowance.
• LUM-BF-001 · Board foot calculator — This calculator applies the standard board-foot volume formula to stated lumber dimensions and piece count, keeping its purchase allowance visible.
• LUM-STUD-001 · Wall stud calculator — This preliminary calculator divides a wall run by stated on-center spacing, adds end studs and a visible opening allowance, then applies purchase waste.
• LUM-JOIST-001 · Floor joist calculator — This calculator turns a measured framing width and stated on-center spacing into a preliminary joist count and total linear footage.
• LUM-RAFTER-001 · Rafter calculator — This calculator uses roof width, rise-per-12 pitch and stated spacing to produce a preliminary paired-rafter count and sloped rafter length.
• LUM-LINEAR-001 · Linear lumber calculator — This calculator divides a measured total linear run plus allowance by the selected stock-board length and rounds up to whole boards.
• LUM-SHEET-001 · Plywood & sheet goods calculator — This calculator divides a rectangular coverage area plus a visible allowance by the selected sheet's actual coverage and rounds to whole sheets.
• GEN-WASTE-001 · Material waste calculator — Add a documented waste factor to any independently measured material quantity before purchasing.
• GEN-MARKUP-001 · Construction markup calculator — This calculator keeps the relationship between direct cost, markup amount and customer price visible for preliminary estimating.
• GEN-TAX-001 · Construction tax calculator — This calculator states a tax calculation separately so the taxable basis and rate are clear in an estimate.
• GEN-CONT-001 · Construction contingency calculator — This calculator adds a transparent planning contingency to a stated estimate cost without representing it as a final-price prediction.
• UTIL-AREA-VOLUME-002 · Area & volume calculator — This geometry hub calculates rectangular, circular or triangular plan area, perimeter and optional simple-prism volume in a transparent unit system.
• UTIL-LENGTH-CONVERT-001 · Length unit converter — This utility converts a stated length between feet, metres, inches and centimetres while also displaying canonical feet and metres equivalents for cross-checking.