Construction Calculators

Estimate materials for concrete, gravel, paint, tile, roofing and brick projects. 8 tools.

All Construction calculators

Estimate the volume and weight of hot-mix asphalt for driveways and parking lots, in tons including waste.

Count the bricks and mortar bags needed for a wall or patio, based on brick size, joint width and waste.

Estimate the volume of concrete and number of bags needed for any slab, footing, column or wall.

Estimate the planks, boxes or carpet you need to cover a room, with waste allowances that match the material.

Estimate the gravel you need for driveways, paths and beds â€” volume, weight in tons, truck loads and bags.

Work out the paintable wall area of a room and the exact number of gallons or liters of paint to buy.

Convert your house footprint and roof pitch into roof area in squares and the exact number of shingle bundles.

Find the number of floor or wall tiles and boxes you need for any room, including a waste allowance for cuts.

Concrete Calculator · Gravel Calculator · Roofing Calculator . Each tool includes a formula, worked example, step-by-step calculation and FAQ.

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