Electric Load Calculator

Experience a quicker and easier way to do electrical load calculations. Use our free tool to get accurate results with an instant PDF report that helps finish residential inspections and close customers faster. Kopperfield’s load calculator is:

* Easy-to-use: pre-loaded with common appliances and their standard output values
* Precise and accurate: utilizes default values from Section 220.83 of the 2023 NEC Code
* Inspection-ready: instantly generates a downloadable PDF printout of your electrical load calculation to attach to inspection reports

Includes the following features:

* Smart property data: enter the property address and we’ll pull in the square footage to start your home electrical load calculation
* Common appliance defaults: includes a pre-loaded list of common appliances and standard output values that you can adjust to match what you see on the property
* EV charger inputs: unlike older load calculators, we’ve included an area to input EV charger values, essential for modern homes
* Free PDF download: input your preparer’s information and we’ll generate a free one-page PDF that you can attach to your residential inspection report