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Both calculators run independently — change the inputs on either side to compare results.

Electrical Panel Upgrade Calculator

Find out what amperage panel you need after adding new circuits, EV chargers, or major appliances. Use it before calling an electrician so you arrive at the conversation with a concrete upgrade target.

Existing Load (amps)

New Load to Add (amps)

Future Load (EV, etc.) (amps)

Safety Factor

Fill in the required fields to see your result.

Electrical Home

Electrical Outlet Circuit Calculator

Find out how many electrical outlets can safely share a single circuit, given the breaker size and any dedicated loads already on it. Use it when planning a room addition, workshop, or home office wiring layout.

Circuit Breaker Size

Outlet Type

Diversity Factor

Dedicated Loads on Circuit (amps)

Fill in the required fields to see your result.

Key differences

	Electrical Panel Upgrade Calculator	Electrical Outlet Circuit Calculator
Category	Electrical Home	Electrical Home
Inputs required	4	4
Result	Recommended Panel Size (amps)	Maximum Outlets (outlets)
What it does	Find out what amperage panel you need after adding new circuits, EV chargers, or major appliances. Use it before calling an electrician so you arrive at the conversation with a concrete upgrade target.	Find out how many electrical outlets can safely share a single circuit, given the breaker size and any dedicated loads already on it. Use it when planning a room addition, workshop, or home office wiring layout.