Electrical Panel Calculator
Size an electrical service panel from lighting, appliance, and HVAC loads with demand factor.
How to Use the Electrical Panel Calculator
- Enter total lighting wattage.
- Enter total appliance wattage.
- Enter HVAC wattage.
- Review recommended panel amperage.
Casos de Uso
- •Residential panel sizing
- •Service entrance design
- •Load scheduling
Fórmula
Demand = Total × 0.80; Amps = Demand / Voltage
Preguntas Frecuentes
How accurate is this calculator?
Results are based on standard engineering formulas and are suitable for preliminary estimates.
What units are used?
SI units (metres, kg, kPa) are used unless otherwise noted.
Is it free?
Yes, all calculators are completely free.