Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Solar Energy
Solar Roof Analysis Calculator
Estimates the peak kilowatt capacity a rooftop can support based on available area, tilt, orientation, and shading. Use it before getting installer quotes to understand your roof's realistic solar potential.
Fill in the required fields to see your result.
Solar Energy
Solar Panel Roof Area Calculator
Estimates how many solar panels fit on a roof section and calculates expected power output, accounting for usable area, tilt, and shading. Ideal for homeowners planning a solar installation.
Fill in the required fields to see your result.
Key differences
| Solar Roof Analysis Calculator | Solar Panel Roof Area Calculator | |
|---|---|---|
| Category | Solar Energy | Solar Energy |
| Inputs required | 5 | 5 |
| Result | Maximum System Size (kW) | Estimated System Capacity (W) |
| What it does | Estimates the peak kilowatt capacity a rooftop can support based on available area, tilt, orientation, and shading. Use it before getting installer quotes to understand your roof's realistic solar potential. | Estimates how many solar panels fit on a roof section and calculates expected power output, accounting for usable area, tilt, and shading. Ideal for homeowners planning a solar installation. |