Roofing Calculator

House Base Area
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Eaves Stick Out
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Pitch or Angle
Roof Pitch
Roof Angle
°
Price
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Roof Area
{{ settings.system === 'imperial' ? 'sqft' : 'sqm' }}
System
Roofing
The Roof Will Need
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Roofing Calculator: Estimate Cost, Time, and Labor for DIY or Contractors.

Whether you’re a DIY’er or a roofing contractor, you don’t want to buy more roofing material than you have to.

Roofing Calculator is a free roofing square footage calculator to determine your roof size and get the right amount of roofing shingles for your job.

Taking the time to measure a few things and run the numbers can save you hours of labor and hundreds of dollars and cut down on trips to supply stores.

Having a reliable roof size calculator can make short work of determining how many square feet of shingles you’ll need to pick up at the building supply store. Whether you’re a DIY’er, a roofing contractor, or hiring a contractor, a detailed roofing calculator is a must-have to get your project started on a smooth path.

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