Solar & Electrical Calculators
Free calculators to help you plan, size and install your solar power system.
Solar Panel + Roof Square Footage Calculator
Calculate how many solar panels will fit on your roof based on available space.
Solar Panel Tilt Angle Calculator
Determine the optimal tilt angle for your solar panels based on your location.
Solar Load Calculator: How Much Solar Do I Need?
Calculate your energy needs and determine the appropriate solar system size.
Solar Panel Series and Parallel Calculator
Determine the best configuration for connecting your solar panels.
Amp Wire Gauge Calculator
Determine the appropriate wire size for your electrical circuits.
Amps, Watts, Volts Calculator
Convert between electrical units to plan your solar system components.
Watts to Amps Calculator
Convert power in watts to current in amps at a specific voltage.
Amps to Watts Calculator
Calculate power consumption from current draw at a specific voltage.
Watts to KVA Calculator
Convert real power to apparent power for sizing inverters and generators.
Solar Panel Maximum Voltage Calculator
Calculate the maximum voltage output of your solar panel array.
12V Battery Charger Calculator
Find the right solar panel size to efficiently charge your 12V battery.
Solar Panel Charge Time Calculator
Calculate how long it will take to charge your battery with a specific solar panel.
Amp Hours to Watt Hours Calculator
Convert battery capacity to energy storage capacity.
Solar Panel Depreciation Calculator
Understand the financial depreciation of your solar investment over time.