Solar Panel Roof Clearance Calculator

Calculate roof area available for solar after setback requirements.

Linear measurement in the specified unit.
ft
Horizontal measurement perpendicular to length.
ft
Enter the ridge setback value for this calculation.
ft
Enter the eave setback value for this calculation.
ft
Enter the side setbacks value for this calculation.
ft

Results

Gross Roof Area:
Calculated surface area.
-sq ft
Usable for Solar:
Calculated surface area.
-sq ft
Est. Panel Count (21 sq ft):
Number of items needed or calculated.
-panels
Est. System Size:
Recommended size based on calculations.
-kW
Reference: Industry Standards. Fire code setback requirements for solar installations.