All Tools

Electrical Panel Load Calculator

Calculates total residential or commercial electrical load per NEC Article 220 for panel sizing

The rated amperage of your electrical panel

Standard lighting and outlet circuits

Kitchen, bathroom, and garage outlet circuits

Dryer, air conditioning, and similar appliances

Range, oven, EV charger, and similar heavy loads

Total Connected Load

Sum of all circuit amperage ratings

Demand Load (80% Rule)

NEC 80% continuous load calculation

Panel Capacity Used

Percentage of panel capacity consumed by demand load

Remaining Capacity

Available amperage before reaching panel limit

Recommendation

Enter your circuits to see a recommendation