Excellent
Great resource to have at your fingertips. Good job guys.
$14.99
About
This app provides electricians and engineers with instant, code-compliant calculations for wire sizing, conduit capacities, fusing, and bonding based on the 2026 National Electrical Code. It offers advanced tools for motors, transformers, voltage drop, and box fill, along with on-site utilities like panel legends and torque settings.
✓NEC 2026 compliant calculations
✓Wire sizing and ampacity
✓Conduit fill and expansion
✓Motor and transformer calculations
✓Voltage drop and box fill
✓Panel legends and torque settings
✓Integrated unit converter and Ohm's Law
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What's New in E
1.2.0
April 3, 2026
- Updated to the 2026 NEC.
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FAQ
What is E-Calc USA?
E-Calc USA is a paid utility app designed for electricians and engineers. It provides instant, accurate calculations based on the 2026 National Electrical Code (NEC) for tasks like wire sizing, conduit fill, and motor loads.
What electrical calculations does E-Calc USA perform?
E-Calc USA performs a wide range of calculations including motor and transformer loads, wire ampacity and derating, conduit fill, voltage drop, and box fill. It also offers on-site utilities like panel legends and torque settings.
Is E-Calc USA compatible with my devices?
Yes, E-Calc USA is designed for universal access. You can run it on your iPhone, iPad, and Mac after a one-time purchase.
How often is E-Calc USA updated?
The latest version, 1.2.0, was released on April 3, 2026. Updates are provided to ensure the app remains current with electrical codes and features.
What is the price of E-Calc USA?
E-Calc USA is available for a one-time purchase of $14.99. This grants you access to all features on your supported Apple devices.
Does E-Calc USA have ads?
No, E-Calc USA does not contain advertisements. It is a paid application that offers an ad-free experience for its users.
Can I share my calculations from E-Calc USA?
Yes, every calculation performed within E-Calc USA can be saved and then printed or shared directly with your team or inspectors.
What is the age rating for E-Calc USA?
E-Calc USA has an age rating of 4+. This indicates it is suitable for a broad audience, though its professional utility is targeted towards adults in the electrical trades.
