Step 1: Add Your Appliances & Devices
Enter everything you plan to power—mini fridge, TV, CPAP machine, water pump, phone charger, etc.

Step 2: Total Daily Watt-Hours
The calculator multiplies wattage × hours to get total usage.

Step 3: Estimate Daily Use Time
How many hours a day do you run each device? Be realistic but thorough.

The Calculator with Do the Rest