Electrician Field Calculator

Conduit, Wire & Voltage Tools

Only for iPhone

Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.

iPhone

NEC-based wire, conduit, voltage, box fill, grounding, motor, and job report tools for US electrical field work. Electrician Field Calculator is a field calculation toolkit for US electricians, contractors, apprentices, and inspectors who need fast jobsite math on iPhone. Run 13 practical tools: • Voltage drop • Wire size candidates • Conduit fill with 2D cross-section • Conduit bending marks • Box fill • Ampacity derating • Grounding conductor sizing • Breaker sizing • Raceway size • Transformer calc • Motor circuit calc • Panel schedule • Material takeoff Every result is built for field review: • NEC 2020 / 2023 / 2026 reference basis • Inputs and assumptions shown with the result • Formula steps • Review notes and warnings • Saved jobs • US Letter PDF reports • Offline workflow • One-time Pro unlock, no subscription Designed for quick decisions on site: see the final answer first, then review the math, references, warnings, and job record when you need to document the calculation. Electrician Field Calculator is a field calculation aid. Verify all outputs against local code, project specifications, manufacturer instructions, equipment labels, and AHJ requirements before installation.

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Reset any calculator to its default inputs with one tap. Saved jobs, history, and NEC settings remain unchanged.

The developer, 正权 谢, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Seller
    正权 谢
    Size
    3.7 MB
    Category
    Utilities
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    English
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    © 2026 Paradoxie