Free Roof Square Footage Calculator
Calculate Total Roof Area & Roofing Squares
📋 How to Calculate Roof Area
- Footprint = L × W
- Apply Pitch Factor
- Apply Roof Type Factor
- Squares = Area ÷ 100
❓ Roof Area FAQ
How do you calculate roof square footage?
L×W × Pitch Factor × Type Factor. Gable: ×1.5, Hip: ×1.3. 1 square = 100 sq ft.
How many squares is a 2000 sq ft house?
2,000 sq ft + 6/12 gable = ~3,354 sq ft or 34 squares.
What is a roofing square?
1 square = 100 sq ft. 1 square needs ~3 bundles of shingles.
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