233+ iOS apps curated and reviewed
Looking for free electrical load calculator nec apps? 17 of our 233+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | $0.99 | 3.0★ (4) | No | Yes | Aug 2026 |
| 2 |  | Free | — | No | Yes | Jul 2026 |
| 3 |  | Free | 4.6★ (197) | No | No | Aug 2026 |
| 4 |  | Free was $29.99 | 4.9★ (354) | No | Yes | Aug 2026 |
| 5 |  | Free | 5.0★ (1) | No | Yes | Aug 2026 |
| 6 |  | Free | — | No | Yes | Aug 2026 |
| 7 |  | Free | 5.0★ (1) | No | Yes | Aug 2026 |
| 8 |  | Free | — | Yes | Yes | May 2026 |
Calculate residential electrical service sizes accurately using NEC standards. This tool provides step-by-step breakdowns, references official articles, and supports multiple NEC editions for electricians and engineers.
This app provides essential calculations for electricians, inspectors, contractors, and engineers. It helps determine conductor sizing, circuit protection, race sizing, and grounding conductor sizes for various electrical equipment and services.
This app provides electricians and electrical professionals with a powerful tool for performing complex calculations based on the latest National Electrical Code (NEC). It offers solutions for wire sizing, voltage drop, conduit sizing, and motor calculations, saving time and ensuring code compliance.
This app performs electrical load calculations based on the NEC 2023 code. It offers modules for residential, commercial, motor, and branch circuit calculations, along with panel scheduling and PDF export. Designed for licensed electricians and contractors.
This app provides a comprehensive suite of electrical calculation tools for design and engineering challenges. It offers hundreds of conversion and calculation options, with features to save, print, and email results. Easily access frequently used and recently accessed formulas, with all calculations automatically stored.
This app assists electricians with complex calculations for pipe bending, conduit fill, ampacity, voltage drop, and box fill. It also offers a professional subscription for expert electrical advice and troubleshooting.
This app provides a suite of electrical calculation tools for professionals, offering NEC-compliant solutions for wire sizing, voltage drop, and more. It works offline and allows for PDF export of results with custom branding.
This app provides electricians with fast, reliable electrical calculations for the jobsite. It offers practical tools for conduit fill, ampacity, voltage drop, and more, ensuring consistent results quickly. Designed for professionals who need dependable tools without unnecessary features.
This professional tool provides electricians with accurate, code-based electrical calculations for wire sizing, voltage drop, circuit breakers, and more. It includes NEC® code references and specialized calculations for various systems. Save time and ensure accuracy in the field or during planning.
Calculate voltage drop and wire size using both NEC and IEC standards. Supports various load types, conductor materials, and system configurations. Generates detailed reports for electricians, engineers, and contractors.
This app provides electricians and apprentices with essential tools for on-the-job tracking and NEC-aligned calculations. It helps with circuit analysis, load calculations, conduit fill, motor and transformer computations, and voltage drop assessments for field use and exam preparation.
Prepare for electrician certification exams with over 8,000 practice questions and detailed explanations. Access a comprehensive quick reference guide and 20 professional NEC calculators for on-the-job use. Track work hours with a built-in log for state board submissions.
This app provides electricians and electrical professionals with up-to-date digital information based on the National Electrical Code. It includes formulas, wiring diagrams, conduit bending guides, and calculators for various electrical calculations. The app is designed for on-the-job reference and works offline.
This app serves as a comprehensive NEC code calculator for electrical professionals. It helps electricians, contractors, and inspectors quickly and accurately solve common electrical calculations based on National Electric Codes, with support for multiple code versions and in-app purchases for updates.
Calculate electrical box and conduit fill accurately according to the NEC. This app provides instant, reliable calculations for electricians, contractors, and students, saving time on job sites. It offers support for various box and conduit types, conductor sizes, and includes wire volume data.