Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Solar Energy
Solar Panel Angle Optimizer Calculator
Find the optimal tilt and orientation for your solar panels to maximize annual energy output based on your latitude and roof direction. Ideal for homeowners and installers planning new solar installations.
Fill in the required fields to see your result.
Solar Energy
Solar Panel System Sizing Calculator
Find out exactly how many solar panels your home needs to cover its electricity usage. Enter your monthly consumption, local sun hours, panel wattage, and system efficiency to get a panel count.
Fill in the required fields to see your result.
Key differences
| Solar Panel Angle Optimizer Calculator | Solar Panel System Sizing Calculator | |
|---|---|---|
| Category | Solar Energy | Solar Energy |
| Inputs required | 3 | 4 |
| Result | Annual Energy Production (kWh) | Number of Panels Needed (panels) |
| What it does | Find the optimal tilt and orientation for your solar panels to maximize annual energy output based on your latitude and roof direction. Ideal for homeowners and installers planning new solar installations. | Find out exactly how many solar panels your home needs to cover its electricity usage. Enter your monthly consumption, local sun hours, panel wattage, and system efficiency to get a panel count. |