Best apps like Southwire® Voltage Drop Calc

10+ similar apps compared and reviewed

4.4 avg rating
8 free apps
Updated July 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

Ohms Law Calc.#1

Ohms Law Calc. by V PUGAZHENTHI

Wire Size & Voltage Drop
Editor's Choice
🔧 Utilities
4.7😊(1.3K ratings)
FreeAdsIn-App Purchases
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Ohms Law Calc. screenshot 5
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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.

What We Love

  • 🚀 Great value
  • 🚀 Works perfectly
  • 🚀 Fantastic app
  • 👍 Best thing since sliced bread

Room to Improve

  • 👎 Have to pay again for an app already purchased
  • 👎 Not easy to use
  • 🐛 Paid but not unlocked, no response from developer
Mike Holt's Electrical Toolbox#2

Mike Holt's Electrical Toolbox by Mike Holt Enterprises

Electrical Power Calculator
Strong Contender
🔧 Utilities
4.6(197 ratings)
Free
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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.

Voltage Drop Calculator.#3

Voltage Drop Calculator. by V PUGAZHENTHI

Wire Size, NEC & IEC Tools
Worth Considering
🔧 Utilities
4.6(412 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.

More apps like Southwire® Voltage Drop Calc

4
Fault Current Calculator
Fault Current Calculator
Fault Current Calculator
by Cooper Bussmann, LLC
Free

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.

Calculate available fault currentSize fuses and conductorsGenerate service equipment labels
🔧 Utilities
(23)
freemium
5
Pipe Guide Calculator
Pipe Guide Calculator
Pipe Guide Calculator
by IT Welding Sweden AB
Free

This utility app provides essential calculations for pipe fitting, eliminating the need for reference tables. Designed by a welder for welders, it aims to save time and streamline work processes.

All necessary computations in one placeUseful calculations for pipe fittingEliminates the need for tables
🔧 Utilities
(4)
free
6
Electrical Calc Elite
Electrical Calc Elite
Electrical Calc Elite
NEC Code Calculator
$19.99

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.

NEC Code CalculationsWire SizingVoltage Drop
🔧 Utilities
(124)
free with in-app purchases
7
WARDFLEX Jobsite Assistant
WARDFLEX Jobsite Assistant
WARDFLEX Jobsite Assistant
by Ward Manufacturing LLC
Free

This app helps installers quickly determine the correct size of WARDFLEX® tubing needed for gas installations. By inputting gas type, supply pressure, pressure drop, and run length, it calculates the required flow capacity for different tubing sizes.

Sizing charts for WARDFLEX® tubingCalculate flow capacityInput gas type, pressure, and length
🔧 Utilities
(1)
free
8
Resistor color code calc
Resistor color code calc
Resistor color code calc
Resistor color code Calculator
Free

This utility helps you determine the resistance value of resistors by interpreting their colored bands. It supports 3, 4, 5, and 6 band resistors, visually displaying your selections and the calculated resistance and tolerance.

Calculates resistance for 3-6 band resistorsVisual band color selectionDisplays resistance and tolerance
🔧 Utilities
(5)
ad-supported
9
Electrical Calculator
Electrical Calculator
Electrical Calculator
Ohm's Law, Voltage Drop, Wire
$3.99

This app provides over 65 essential electrical calculation tools and formulas for engineers, students, and professionals. It supports both USCS and SI units and includes features like resistor color code conversion and upgraded voltage drop calculations aligned with industry standards.

Over 65 electrical calculation toolsResistor color code calculatorsUpgraded voltage drop calculations
🔧 Utilities
(462)
free
10
Electrical Calculator Plus
Electrical Calculator Plus
Electrical Calculator Plus
by Inch Calculator
Free

This app offers a comprehensive suite of 26 electrical and electronics calculators and converters. It helps users compute various electrical properties, including Ohm's Law, current, power, voltage, and resistance. It also features tools for wire ampacity, voltage drop, and LED resistor calculations.

26 electrical calculatorsOhm's Law calculatorCurrent and power calculators (DC/AC)
🔧 Utilities
(15)
ad-supported