Best apps like Southwire® Conversion Calc

10+ similar apps compared and reviewed

4.5 avg rating
9 free apps
Updated October 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

ElectriCalc Pro#3

ElectriCalc Pro by Calculated Industries

Electrician NEC Calculator
Worth Considering
🔧 Utilities
4.9(354 ratings)
FreeIn-App Purchases
ElectriCalc Pro screenshot 1
ElectriCalc Pro screenshot 2
ElectriCalc Pro screenshot 3
ElectriCalc Pro screenshot 4
ElectriCalc Pro screenshot 5
ElectriCalc Pro screenshot 6

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.

More apps like Southwire® Conversion Calc

4
Mike Holt's Electrical Toolbox
Mike Holt's Electrical Toolbox
Mike Holt's Electrical Toolbox
Electrical Power Calculator
Free

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.

Conductor sizingVoltage drop limitationsCircuit protection sizing
🔧 Utilities
(197)
free
5
Kopperfield
Kopperfield
Kopperfield
Load calcs, NEC help, and more
Free

Streamline electrical design and permitting with powerful tools for load calculations, panel schedules, and single-line diagrams. Quickly reference the National Electrical Code with an AI-powered chatbot and generate instant PDF reports for inspectors and clients.

Load calculator with NEC standardsSingle line diagram toolPanel schedule creation
🔧 Utilities
(9)
ad-supported
6
Transformer Calculator.
Transformer Calculator.
Transformer Calculator.
primary / secondary
Free

This app simplifies transformer calculations for engineers and students. It accurately computes primary and secondary currents, turns ratios, and secondary voltages based on user inputs for transformer ratings and winding turns.

Primary and secondary current calculationsTurns ratio determinationTransformer type identification
🔧 Utilities
(48)
free with in-app purchases
7
NEC Box & Conduit Calc
NEC Box & Conduit Calc
NEC Box & Conduit Calc
NEC Tools for Electricians
Free

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.

Box fill calculationsConduit fill calculationsWire volume data
🔧 Utilities
(19)
free with in-app purchases
8
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
9
Ohms Law Calc.
Ohms Law Calc.
Ohms Law Calc.
Wire Size & Voltage Drop
Free

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.

Ohm's Law calculationsVoltage drop calculatorWire size calculator
🔧 Utilities
(1.3K)
free with in-app purchases
10
Conduit Bender Elite - Calc
Conduit Bender Elite - Calc
Conduit Bender Elite - Calc
Electrician Bending Calculator
$8.99

This app is a specialized calculator for electricians to simplify conduit bending calculations. It offers detailed diagrams and step-by-step guidance for various bend types, helping users save time and focus on installation. Users can customize settings for different conduit sizes and units of measurement.

Conduit bending calculationsDiagrams and step-by-step helpMultiple bend types supported
🔧 Utilities
(1.7K)
free with in-app purchases