Home & Construction Calculators

Work out cubic yards of concrete and how many 60 lb or 80 lb bags a slab, footing or pad needs.

Convert a roof footprint and pitch into roofing squares, shingle bundles and underlayment rolls.

Count decking boards, linear feet and board feet for a deck, including the gap between boards.

Work out how many gallons of paint a room needs from its dimensions, coats and openings.

Count drywall sheets for a room, plus screws, joint tape and compound.

Turn room dimensions into boxes of tile or flooring, including a waste allowance for cuts.

Find the R-value your climate zone calls for and how many inches of a given insulation reach it.

Work out riser height, tread count and total run from a total rise, with IRC code checks.

Count posts, rails, pickets and concrete bags for a run of fence at any post spacing.

Convert a bed area and depth into cubic yards, bags and approximate tons of mulch, gravel, sand or topsoil.

Count pavers for a patio or walkway and estimate the bedding sand and gravel base beneath.

Count studs for a wall at 16 or 24 inches on centre, including corners, openings and plates.

Work out gutter sections, hangers and how many downspouts a roof area needs.

Convert kitchen cabinet runs into linear feet, countertop square footage and a rough budget.

Work out linear feet of baseboard for a room and how many stock lengths to buy.

Work out carpet in square yards for up to three room sections, with a waste allowance and a roll-width seam check.

Work out carpet for a straight flight from the step count, tread, riser and stair width.

Boxes of plank flooring plus underlayment, transition strips, and a check on how wide the final row lands.

Build up a flooring project cost from area and your own rates for material, fitting and removal.