Satellite Roof Measurements: How They Work and Why Contractors Use Them
Satellite tools use aerial imagery and AI to calculate roof area, pitch, and complexity instantly.
The Technology Behind Satellite Roof Measurements
Satellite roof measurement tools combine high-resolution aerial photography, LiDAR elevation data, and computer vision algorithms trained on millions of buildings.
Google Solar API, which powers tools like ExactSquares, uses machine learning to identify individual roof segments. For each segment, the system calculates area, pitch, and orientation.
Accuracy: How Good Are Satellite Measurements?
Modern satellite measurements are typically within 5-8% of manual measurements for standard residential roofs. A 5% variance on a 25-square roof is 1.25 squares, well within the 10-15% waste factor.
Less reliable for: very new construction (imagery may be outdated), heavily tree-covered roofs, and flat commercial roofs.
Speed: The Real Competitive Advantage
A satellite measurement takes under 10 seconds. A manual measurement takes 30-60 minutes plus travel time. This changes the sales process completely.
A contractor using satellite measurements can quote during the initial phone call, send a proposal before the competition schedules a site visit, and measure 20 roofs in the time it takes to manually measure one.
What Satellite Tools Measure
A typical report includes: total roof area in squares and square feet, roof pitch, number of facets, material estimates with waste factor, and complexity scoring.
ExactSquares adds: live shingle pricing, customer-ready proposals with your company branding, shareable measurement links, and PDF reports.
Skip the math. Get instant measurements.
ExactSquares gives you roof squares, pitch, and material estimates in seconds using satellite imagery.
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