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Home Electrical Load Estimator

Estimate total home load and check it against service size.

Inputs

Inputs and assumptions

Largest heating or cooling load.

Electric tank is usually 4.5 kW.

Electric dryer is usually around 5 kW.

Electric range is usually around 8 kW.

Lighting, outlets, and small appliances together.

US homes are usually 240V split-phase.

Main breaker size: 100 or 200 in most homes.

Result

Service headroom
Waiting for calculation.
Headroom vs service
Waiting for calculation.
Load current
Waiting for calculation.
Estimated connected load
Waiting for calculation.
This calculator is a first-pass screening tool. Verify your utility tariff, metered usage, equipment specifications, and installer quotes before making a decision.

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