Solar Calculators

Solar calculators for homes: system size, panels, batteries, inverter, charge controller and net billing, using real sun hours for cities in Pakistan.

• Inverter Size Calculator for Home Appliances

  Find the inverter or UPS size in watts and kVA for your appliances, including AC and motor starting surge. Can a UPS run a 1 ton AC?

• How Many Solar Panels Do I Need to Run an AC?

  Find the solar panels, inverter and battery to run a 1 or 1.5 ton inverter AC in Pakistan. Uses your city's sun hours and real AC watts.

• Solar Panel Calculator for 12V Battery

  What size solar panel charges a 100Ah or 200Ah 12V battery? Includes charge controller type, sun hours and charging losses.

• Solar System for 5 Marla House

  How many kW solar does a 5 marla house need? Typical load, panels, inverter, battery and cost, plus a calculator for your own bill.

• Net Billing Calculator

  Compare your bill under old net metering and the 2026 net billing rules. Enter solar kW, units used and exported; see savings in PKR.