CalculatorConstruction
Roofing Area Calculator
Estimate sloped roof area from building footprint and roof pitch.
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Method
How it works
Change any input above and the result updates instantly. The formula or method used by this tool is shown below.
Roof area ≈ Length × Width ÷ cos(pitch angle)
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About this tool
What does the Roofing Area Calculator do?+
Estimate sloped roof area from building footprint and roof pitch.
How does this calculator calculate the result?+
It uses this method: Roof area ≈ Length × Width ÷ cos(pitch angle)
Are my inputs saved or sent to an account?+
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