Roofs and solar panels vary in size. Our online calculator shows you just how many solar panels you can fit on your roof with a few basic measurements.
Solar Panel Area Calculator
How to Use
- Total roof area: the length and width of your roof in square metres (use our roof area calculator if unkown).
- Non-usable areas: parts of your roof that cannot be used for solar panels, such as areas covered by chimneys, vents, or heavy shading.
- Solar panel dimensions: the length and width of the solar panels you are considering for installation.
- Calculate: click the "Calculate" button to estimate how many solar panels can fit on your usable roof area.
Note: This calculator provides an estimate based on the dimensions and areas you enter. For detailed planning and installation always consult with a professional solar installer.
Calculator checked on By Jamie
Uses
- Home Improvement: estimate how many solar panels your roof can accommodate for DIY installation.
- Cost Estimation: get a rough idea of the overall cost of the number of solar panels needed.
- Energy Analysis: determine solar contribution to your energy needs.
- Environmental Impact: estimate the size of a solar panel system to understand its potential environmental benefits.
- Real Estate: assess properties for solar potential, adding value to properties with ample suitable roof space.
- Grid Independence: determine how much roof space is needed to generate sufficient power for complete grid independence.
- Renovation and Construction: integrate solar potential into your designs and plans from the outset.