Home & Construction Calculators & Material Takeoff Workbench

Calculate exact cubic yards, 60lb/80lb pre-mix bag counts, and ready-mix truck loads.

Compute cylindrical pier and continuous spread footing concrete volume.

Calculate standard 8x8x16 concrete masonry blocks and mortar mix bags.

Estimate rebar linear footage, grid mesh layout (#4/#5), and rebar chairs.

Estimate interlocking landscape retaining wall blocks, capstones, and geogrid.

Calculate compacted crushed stone, aggregate, and sand bedding in tons and yards.

Compute standard board feet (Thickness × Width × Length / 144) and lumber costs.

Calculate 2x4 and 2x6 studs (16" vs 24" on-center) plus top and bottom plates.

Determine joist spacing, span capacity, and subfloor dimensional lumber counts.

Estimate solid wood, LVL, and glulam beam load dimensions for window/door openings.

Calculate 4x8 tongue-and-groove OSB or CDX plywood sheathing sheets needed.

Compute stair rise, run, stringer length, and total tread counts to IRC code.

Calculate 4x8 and 4x12 drywall sheets, drywall screws, and corner beads.

Estimate taping mud, all-purpose compound buckets, and drywall joint tape.

Calculate attic and wall cavity insulation batts, rolls, and target R-values (R-13 to R-49).

Estimate acoustic MLV barrier, Green Glue, and damping channel spacing.

Estimate 2x2 and 2x4 suspended ceiling grid tracks, main tees, and acoustic tiles.

Calculate roofing squares (100 sq ft), 3-tab and architectural shingle bundles (3/sq).

Convert pitch (e.g. 4/12, 6/12, 8/12, 12/12) to exact surface area expansion factors.

Calculate rolls of synthetic roof underlayment, ice-and-water shield, and Tyvek vapor wrap.

Estimate siding squares, starter strips, J-channels, and exterior corner posts.

Calculate seamless gutter run linear footage, downspouts, and drainage pitch slope.

Compute total floor square footage with 10% cut-waste buffer and box packaging counts.

Calculate floor and shower tile counts, square footage, and thinset mortar bags.

Calculate sanded and unsanded grout pounds based on tile dimensions and joint width.

Estimate click-lock vinyl plank cartons, transitions, and perimeter expansion gaps.

Calculate 12ft and 15ft carpet rolls in square yards plus rebond foam padding.

Calculate paint gallons (350–400 sq ft/gal) with window/door deductions and coats.

Estimate drywall PVA primer and stain-blocking primer gallons for raw surfaces.

Calculate exterior latex acrylic paint volume for siding, fascia, and shutters.

Calculate penetrating oil stain and water-repellent sealant gallons for deck boards.

Estimate standard single/double wallpaper rolls with pattern repeat matching buffers.

Calculate exact room heating/cooling BTUs based on room volume, climate, and sun exposure.

Size central AC condensers and heat pumps (1 Ton = 12,000 BTU/h) for residential square footage.

Compute required airflow CFM and round/rectangular duct dimensions for balanced ventilation.

Estimate electric radiant floor heating cable wattage and mat square footage.

Calculate total circuit wattage, 15A/20A breaker sizing, and the 80% continuous load rule.

Determine copper/aluminum wire gauge to keep voltage drop under 3% over long distances.

Calculate EMT, PVC, and rigid conduit fill capacity to NEC Chapter 9 Table 1 standards.

Calculate required LED lumens and fixture counts for kitchens, workshops, and living spaces.

Calculate water velocity (ft/s) and Hazen-Williams friction head loss in PEX and copper pipes.

Estimate peak hot water flow rate (GPM) and temperature rise for continuous showers.

Calculate perforated pipe length, non-woven geotextile fabric, and drainage gravel tons.

Estimate required sump pump horsepower (1/3 HP vs 1/2 HP) and GPH flow rate against head height.

Compute cubic yards and 2 cu ft / 3 cu ft bags at 2" to 4" layer thickness.

Calculate paver unit counts, polymeric joint sand, and compacted gravel sub-base.

Calculate lawn overseeding pounds, new lawn seed, and 10 sq ft sod roll counts.

Estimate 5/4x6 decking boards, joists, ledger board fasteners, and 4" code baluster spacing.

Calculate 4x4 posts (6ft/8ft spacing), 2x4 rails, pickets, and concrete post mix bags.