Roof-Fit Calculator
    United States|Metric|5.2 hrs/day|$0.14/kWh
    12m8m
    ×m

    Select your panel

    Each model has different dimensions and efficiency ratings that affect how many fit on your roof.

    Estimates based on 5.2 peak sun hours per day and $0.14/kWh electricity rate. Actual results vary by location, roof orientation, shading, and installation specifics.