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Electrical Panel Load Calculator

Calculate your home's total electrical panel load and remaining capacity in volt-amperes, so you know whether your panel can support new appliances, an EV charger, or a home addition. Use it before calling an electrician for a panel upgrade assessment.

Panel Rating

General Lighting & Outlets (VA)

Appliance Loads (VA)

HVAC Loads (VA)

Demand Factor

Fill in the required fields to see your result.

Electrical Home

Electrical Panel Load Calculator

Estimate the minimum service amperage your home's electrical panel needs based on lighting, kitchen appliances, and HVAC loads. Use this before upgrading a panel or planning a new home build.

General Lighting & Outlets (watts)

Kitchen Appliances (watts)

HVAC Load (watts)

Fill in the required fields to see your result.

Key differences

	Electrical Panel Load Calculator	Electrical Panel Load Calculator
Category	Electrical Home	Electrical Home
Inputs required	5	3
Result	Available Panel Capacity (VA)	Panel Capacity Needed (amps)
What it does	Calculate your home's total electrical panel load and remaining capacity in volt-amperes, so you know whether your panel can support new appliances, an EV charger, or a home addition. Use it before calling an electrician for a panel upgrade assessment.	Estimate the minimum service amperage your home's electrical panel needs based on lighting, kitchen appliances, and HVAC loads. Use this before upgrading a panel or planning a new home build.