Free roofing calculators

Free Roofing Calculators & Cost Estimation Tools

Use simple roofing calculators to estimate roofing squares, roof pitch, shingle bundles, and project materials before starting your roofing job.

Popular Roofing Tools

Fast, free, and easy tools for homeowners, contractors, and DIY roofing projects.

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Find out how many roofing squares you need from your roof area.

Calculate roof pitch using rise and run measurements.

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Estimate bundles of shingles for asphalt roofing projects.

Fast and easy without complicated forms.

Every calculator explains the formula behind the result.

Use the calculators anytime for planning and rough estimates.

BuildEstimateLab provides free roofing calculators for homeowners, contractors, and DIY roofing projects.