Complete residential load, generator, EV-management, and available fault-current calculations from your phone or computer—with the calculation steps organized for review.
The Standard Method Dwelling Calculator is free. No login or credit card required.
Use the complete Standard Method Dwelling Calculator free. When you need generator load management or available fault-current calculations, choose a professional calculator.
Complete an NEC 2023 dwelling Standard Method calculation and produce a professional printable report.
Calculate the dwelling service load and generator load separately while accounting for the loads that will be managed.
Calculate available fault current at the service and downstream locations using a point-to-point conductor calculation.
Spend less time organizing calculations and more time reviewing the electrical design.
Each calculator follows the workflow appropriate to that calculation instead of forcing unrelated tools into one form.
Enter the project information, make the required selections, and see the calculated results update as you work.
Print a clear calculation breakdown or save it as a PDF for your project records and review process.
LoadCalcPro X is built for electricians, contractors, inspectors, engineers, and designers who need calculations that are efficient to prepare and clear to review. Always verify results against the locally adopted code, equipment information, project conditions, and AHJ requirements.
Sign in with the email address and password connected to your LoadCalcPro X membership. Promotional users can return with the same email address and promotional code used to activate their trial.