Professional Solar & Energy Calculators

Calculate average daily sun hours based on your location, season, and weather conditions.

Calculate voltage, current, resistance, and power using Ohm's Law.

Calculate CO₂ emissions saved by using solar energy instead of grid electricity.

Calculate monthly EMI payments for solar panel financing.

Calculate how many solar panels fit on your roof based on available area.

Convert between Celsius, Fahrenheit, and Kelvin.

Generate visual graphs of your solar energy production trends.

Determine the optimal tilt angle and orientation for maximum solar panel efficiency.

Convert between Watt, kWh, MWh, and other energy units.

Calculate your energy cost savings from solar panels over time.

Estimate the energy output of your solar panel system in kWh per day, month, or year.

Calculate the correct inverter size for your solar panel system.