Best Southwire® Voltage Drop Calc alternatives: apps like Southwire® Voltage Drop Calc

10+ similar apps compared and reviewed

4.3 avg rating
10 free apps
Updated October 2026

Whether you want more options like Southwire® Voltage Drop Calc or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to Southwire® Voltage Drop Calc

Mike Holt's Electrical Toolbox#1

Mike Holt's Electrical Toolbox by Mike Holt Enterprises

Electrical Power Calculator
Editor's Choice
🔧 Utilities
4.6😐(197 ratings)
Free
Mike Holt's Electrical Toolbox screenshot 1
Mike Holt's Electrical Toolbox screenshot 2
Mike Holt's Electrical Toolbox screenshot 3
Mike Holt's Electrical Toolbox screenshot 4

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  • 🐛 Outdated information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  • 🐛 Outdated app needs refinement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)
3.0(27 ratings)
FreeIn-App Purchases
Fault Current Calculator screenshot 1
Fault Current Calculator screenshot 2
Fault Current Calculator screenshot 3
Fault Current Calculator screenshot 4
Fault Current Calculator screenshot 5
Fault Current Calculator screenshot 6

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.

Ohms Law Calc.#3

Ohms Law Calc. by V PUGAZHENTHI

Wire Size & Voltage Drop
Worth Considering
🔧 Utilities
4.7😊(1.3K ratings)
FreeAdsIn-App Purchases
Ohms Law Calc. screenshot 1
Ohms Law Calc. screenshot 2
Ohms Law Calc. screenshot 3
Ohms Law Calc. screenshot 4
Ohms Law Calc. screenshot 5
Ohms Law Calc. screenshot 6

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.

What We Love

  • 🚀 Great value
  • 🚀 Works perfectly
  • 🚀 Fantastic app
  • 👍 Best thing since sliced bread
  • 🚀 Useful for electrical work
  • 👍 Clean and pleasing interface
  • 🚀 Terrific app

Room to Improve

  • 👎 Have to pay again for an app already purchased
  • 👎 Not easy to use
  • 🐛 Paid but not unlocked, no response from developer
  • 👎 Annoying pop-ups
  • 🐛 Keeps shutting down
  • 👎 Worst Ohms calculator ever
  • 👎 Needs more work
  • 👎 Incorrect Ohm's law formulas

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4
Electrical Calculator lite
Electrical Calculator lite
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This comprehensive tool offers over 60 calculators and 16 converters for electrical engineering, wiring, and circuit analysis. It supports engineers, electricians, students, and hobbyists with calculations ranging from basic Ohm's Law to complex RLC circuits and power conversions.

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Voltage Drop Calculator.
Voltage Drop Calculator.
Voltage Drop Calculator.
Wire Size, NEC & IEC Tools
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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.

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6
AWG Calculator: Wire Size
AWG Calculator: Wire Size
AWG Calculator: Wire Size
NEC, Conduit, Voltage Drop
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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.

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Generac Field Pro
Generac Field Pro
Generac Field Pro
by Generac Power Systems, Inc.
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Streamline the installation, servicing, and registration of energy systems. Features guided workflows, smart firmware updates, and comprehensive diagnostics for efficient system management.

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ElectriCalc Pro
ElectriCalc Pro
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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Concrete Calculator Plus
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This app provides 15 calculators for estimating concrete, blocks, mortar, rebar, and gravel. It supports various shapes and units, offering material cost estimations for construction projects.

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Feet and Inches Calculator
Feet and Inches Calculator
Feet and Inches Calculator
Perfect Construction Calc!
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A powerful construction calculator designed for tradespeople. It offers a wide range of tools for estimating, layout, framing, and jobsite calculations, helping to save time and improve accuracy. Supports both imperial and metric units.

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