Free tool · Interactive measurement
Interactive roofline estimator.
Draw each roofline segment, correct the measurements, and receive estimated total footage and a preliminary permanent-lighting cost range.
1. Set the drawing scale
2. Draw the roofline
Click once to place the starting point, then continue clicking at each roofline corner. Each click creates a new segment.
3. Verify measurements
No segments yet. Start drawing above.
0 ftTotal estimated roofline
$0Preliminary low range
$0Preliminary high range
$0Planning midpoint
How to use the estimate
This browser-only tool provides a planning estimate. A contractor should verify field measurements, roof access, electrical readiness, system choice, controls, warranty, labor, and local installation conditions.