Free Electrical Tool

Electrical Load Calculator — Total Load and Panel Size

Enter appliances and circuits to calculate total electrical load in amps and required panel size.

Load Selection

Used for lighting/outlet base load

Results

Total connected load

6,000 W

NEC demand load

After NEC demand factors

6,000 W

Service amps (240V)

25A

Recommended panel

100A panel

How to Use the Electrical Load Calculator

Enter appliances and circuits to calculate total electrical load in amps and required panel size.

This free online electrical load calculator is designed for electricians and field technicians who need fast, accurate results on the job or during the estimating process. No account required — enter your values and get results instantly.

When to Use This Tool

  • 1.During new construction estimates and material takeoffs
  • 2.When verifying calculations in the field before ordering materials
  • 3.For proposal and quote preparation — give clients accurate numbers
  • 4.As a cross-check against manual calculations or software output
  • 5.For training new technicians on correct sizing procedures

Important Notes

Results from this electrical load calculator are estimates based on standard industry formulas and typical conditions. Always verify critical calculations with manufacturer specifications, local codes, and a licensed electrician before proceeding with installation or ordering materials. Actual requirements may vary based on local building codes, site conditions, and project-specific factors.

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