Online Tools and Calculator

Solar Panel Calculator

Solar system size and number of panels you may need.

kWh
hours
W

Result

Fill in the fields and tap Calculate to see your result.

How to use the Solar Panel Calculator

  1. Enter monthly electricity use.
  2. Enter peak sun hours per day.
  3. Enter panel rating.
  4. Tap Calculate to see the result.
  5. Tap Reset to clear the fields and try again.

Last updated: 1 November 2026

Related tools

Subnet & CIDR CalculatorPSU Wattage CalculatorDew Point CalculatorHumidity CalculatorMolecular Weight CalculatorMolarity Calculator