BuildCalculate - Free Construction Calculators

Professional Construction Calculators

Free, accurate calculators for contractors and DIYers. Calculate materials instantly and save money.

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Calculate cubic yards of concrete needed for slabs, footings, and more

Estimate shingles, squares, and roofing materials for any pitch

Calculate sheets, mud, tape, and screws for drywall projects

Estimate paint and primer needed for any room or project

Calculate studs, plates, and lumber for wall framing

Convert to football fields, hot dogs, Big Macs & more

How many hot dogs for your cookout or tailgate?

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All calculators are free to use. No signup required.

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Industry-standard formulas used by professional contractors.

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Works perfectly on your phone, tablet, or desktop.

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Get material estimates in seconds, not hours.