Construction Calculators

Estimate materials for concrete, gravel, paint, tile, roofing and brick projects. 9 tools.

All Construction calculators

2D Guillotine Cutting Optimizer New

Plan sheet cutting with minimal waste: enter your sheet size, kerf, edge margin and parts — get an optimized layout, a cut-by-cut sequence and reusable remnants.

Asphalt Calculator

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

Brick Calculator

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

Concrete Calculator

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

Flooring Calculator

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

Gravel Calculator

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

Paint Calculator New

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

Roofing Calculator

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

Tile Calculator

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

Most popular construction calculators

2D Guillotine Cutting Optimizer · Concrete Calculator · Gravel Calculator . Each tool includes a formula, worked example, step-by-step calculation and FAQ.

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