This professional-grade electrical calculator assists EV charger installers and electricians with accurate, NEC-compliant calculations. It offers multiple specialized calculators for load analysis, wire sizing, voltage drop, and more, all accessible offline.
1.0
March 18, 2026
EV Calc Pro includes calculators for EV charger load, EV site load, wire sizing, voltage drop, breaker sizing, transformer sizing, conduit fill, grounding conductor, ampacity derating, box fill, and power conversion.
Yes, EV Calc Pro is 100% offline, meaning it does not require an internet connection to function. This makes it ideal for use on job sites.
No, EV Calc Pro is ad-free. It is a free application with no advertisements to interrupt your workflow.
EV Calc Pro is currently supported on iPhone and iPod devices. It is designed for mobile use in the field.
EV Calc Pro was last updated on March 18, 2026, with version 1.0. Future updates will likely align with NEC code changes and user feedback.
Yes, you can export and share your calculation results via text, email, or any other compatible application directly from EV Calc Pro.
EV Calc Pro has an age rating of 4+, making it suitable for users of all ages who require its professional functionality.
No, EV Calc Pro is completely free to use and does not require any subscription or in-app purchases. It is part of the Charge Rigs family of tools.
