18 CALCULATORS · CONSTRUCTION

Materials &
project math.

From the first dig to the final coat of paint — quick, free estimates for the materials, loads, and layouts you'll actually order. Formulas reviewed by licensed P.E.s.

✓ Waste factors built in ✓ Metric & imperial ✓ Updated quarterly
Concrete Calculator Popular ↗
Estimate the cubic yards, bags, and cost of concrete for slabs, footings, columns, and walls. Includes a 10% waste factor and side-by-side comparison of ready-mix versus bag pricing.
Concrete Slab Calculator ↗
Estimate the concrete volume, rebar grid layout, bar count, weight, and total cost for a reinforced concrete slab. Includes a 10% waste factor for concrete.
Mulch Calculator ↗
Estimate the cubic yards and bags of mulch needed for your landscaping project. Compare bulk delivery versus bagged pricing with a 10% waste factor.
Asphalt Calculator ↗
Estimate the tons of hot-mix asphalt needed for your paving project. Uses standard density of 145 lb/ft³ with a 10% waste factor.
Board Feet Calculator ↗
Calculate the board footage of lumber for your woodworking or construction project. Enter dimensions and quantity to estimate volume and cost.
Flooring Calculator Popular ↗
Estimate the square footage, number of boxes, and cost of flooring for any room. Includes a configurable waste factor for cuts and fitting.
Gravel Calculator ↗
Estimate the cubic yards and tons of gravel needed for your project. Converts volume to weight using standard gravel density with a 10% waste factor.
Deck Cost Calculator ↗
Estimate material, labor, and total cost for your new deck. Compare pressure-treated, cedar, and composite decking with optional railing.
Fence Cost Calculator ↗
Estimate the number of posts, panels, and total cost for your fence project. Compare wood, vinyl, chain-link, and aluminum options with gate pricing.
Paint Calculator Popular ↗
Estimate the gallons of paint needed for your room. Deducts door and window openings and accounts for multiple coats at 400 sq ft per gallon coverage.
Drywall Calculator ↗
Estimate the number of drywall sheets, joint compound, tape, and screws needed for your project. Covers walls and ceiling with full supply list and cost.
Insulation Calculator ↗
Estimate the rolls, bags, or kits of insulation needed for your project. Compare batt, blown-in, and spray foam options across R-values with cost estimates.
Tile Calculator ↗
Estimate the number of tiles, bags of grout, and total cost for your tiling project. Includes grout line allowance and a 15% waste factor for cuts and breakage.
Staircase Calculator ↗
Calculate the number of steps, rise and run per step, stringer length, and IRC code compliance for your staircase. Enter total rise and preferred tread depth.
Roof Replacement Calculator ↗
Estimate the roofing squares, shingle bundles, and total cost for your roof replacement. Adjusts for roof pitch and compares asphalt, metal, tile, and slate options.
Rebar Calculator ↗
Estimate the number of rebar bars, total linear feet, weight, and cost for a reinforced concrete slab. Supports #3 through #8 bar sizes at any spacing.
Gutter Calculator ↗
Estimate the linear feet of gutters, number of downspouts, and total cost for your home. Compare aluminum, vinyl, steel, and copper with material and labor breakdowns.
Paving Calculator ↗
Estimate the number of pavers, tons of base gravel, bedding sand, and total cost for your paving project. Includes a 10% waste factor for cuts and breakage.
7 GUIDES

How-tos & cost guides

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