Best Southwire® Conversion Calc alternatives: apps like Southwire® Conversion Calc

10+ similar apps compared and reviewed

4.5 avg rating
10 free apps
Updated November 2026

Southwire® Conversion Calc is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to Southwire® Conversion Calc

AWG Calculator: Wire Size#1
4.7(70 ratings)
FreeIn-App Purchases
AWG Calculator: Wire Size screenshot 1
AWG Calculator: Wire Size screenshot 2
AWG Calculator: Wire Size screenshot 3
AWG Calculator: Wire Size screenshot 4
AWG Calculator: Wire Size screenshot 5
AWG Calculator: Wire Size screenshot 6

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.

Voltage Drop Calculator.#2

Voltage Drop Calculator. by V PUGAZHENTHI

Wire Size, NEC & IEC Tools
Strong Contender
🔧 Utilities
4.6(413 ratings)
FreeAdsIn-App Purchases
Voltage Drop Calculator. screenshot 1
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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.

Mike Holt's Electrical Toolbox#3

Mike Holt's Electrical Toolbox by Mike Holt Enterprises

Electrical Power Calculator
Worth Considering
🔧 Utilities
4.6😐(198 ratings)
Free
Mike Holt's Electrical Toolbox screenshot 1
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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.

What We Love

  • 👍 Great app for electricians
  • 💡 Provides code article references
  • 👍 Useful for on-the-spot reference
  • 👍 Excellent for verifying calculations
  • 👍 Helpful for exam preparation
  • 👍 Simplifies the trade
  • 👍 Great jobsite resource
  • 👍 Handy tool for electricians
  • 👍 Teaches code in an advanced way
  • 👍 Free app with needed features
  • 👍 Helps size A/C circuits correctly
  • 👍 American made

Room to Improve

  • 🐛 Emailing results not working
  • 🐛 Outdated information
  • 🐛 Load calc a little clunky
  • 🐛 Content setup needs overhaul
  • 🐛 Video series lacks completion system
  • 🐛 Bug with widescreen video exit
  • 🐛 Not user-friendly
  • 🐛 Outdated app needs refinement
  • 🐛 Previous calculation data not erased
  • 🐛 App is straight garbage (paid)

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4
ElectriCalc Pro
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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.

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Transformer Calculator.
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Kopperfield
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Kopperfield
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Streamline electrical design and permit preparation with tools for load calculations, single-line diagrams, and panel schedules. Quickly reference the National Electrical Code with an AI-powered chatbot and generate PDF reports for inspectors.

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NEC Box & Conduit Calc
NEC Box & Conduit Calc
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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.

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Fault Current Calculator
Fault Current Calculator
Fault Current Calculator
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This tool helps contractors, engineers, and electricians quickly calculate available fault current on single and three-phase electrical systems. It also assists in sizing fuses and conductors for various circuits and can generate labels for service equipment.

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Ohms Law Calc.
Ohms Law Calc.
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This app provides a comprehensive suite of electrical calculations, including Ohm's Law, voltage drop, wire sizing, and impedance. It also offers numerous converters for various electrical units and parameters, aiding in circuit design and analysis.

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