Mike Holt's Electrical Toolbox

Electrical Power Calculator

Free · Designed for iPad

Mike Holt, the industry leader in the electrical industry (MikeHolt.com) has created an amazing, practical and useful app for the electrician, inspector, instructor, contractor and engineer. The app contains conductor sizing (including voltage drop limitations), circuit protection sizing, race sizing, equipment grounding conductor sizing for electric heating equipment (commercial and Residential), air-conditioning equipment (commercial and Residential), motors (commercial and Residential), Transformers (commercial) , and dwelling-unit service calculations and sizing.

  • 4.6
    out of 5
    198 Ratings

Bug fixes and performance improvements.

The developer, Mike Holt Enterprises, 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
      • Mike Holt Enterprises Inc.
    • Size
      • 39.3 MB
    • Category
      • Utilities
    • Compatibility
      Requires iOS 11.0 or later.
      • iPhone
        Requires iOS 11.0 or later.
      • iPad
        Requires iPadOS 11.0 or later.
      • iPod touch
        Requires iOS 11.0 or later.
      • Mac
        Requires macOS 11.0 or later and a Mac with Apple M1 chip or later.
      • Apple Vision
        Requires visionOS 1.0 or later.
    • Languages
      • English
    • Age Rating
      4+
    • Copyright
      • © 2025 Mike Holt Enterprise, Inc.