Best apps like WireSizer - DC Voltage Drop

9+ similar apps compared and reviewed

4.5 avg rating
6 free apps
Updated July 2026

Whether you want more options like WireSizer or a completely different take on the same concept, our curated list of 9+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to WireSizer

Voltage Drop Calculator.#1

Voltage Drop Calculator. by V PUGAZHENTHI

Wire Size, NEC & IEC Tools
Editor's Choice
🔧 Utilities
4.6(412 ratings)
FreeAdsIn-App Purchases
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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.

Wire Gauge & Size Calculator#2

Wire Gauge & Size Calculator by V PUGAZHENTHI

Min Wire Gauge for Vdrop %
Strong Contender
🔧 Utilities
4.9(9 ratings)
FreeAds
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This utility app calculates the minimum wire size needed for electrical installations based on voltage, current, distance, and allowable voltage drop. It supports various units and wire materials, ensuring safe and efficient power distribution for diverse applications.

Electrical Calc Elite#3

Electrical Calc Elite by Cyberprodigy LLC

NEC Code Calculator
Worth Considering
🔧 Utilities
4.7(124 ratings)
$19.99In-App Purchases
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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.

More apps like WireSizer

4
E-Calc USA
E-Calc USA
E-Calc USA
by Snappy Appz Inc.
$14.99

This app provides electricians and engineers with instant, code-compliant calculations for wire sizing, conduit capacities, fusing, and bonding based on the 2026 National Electrical Code. It offers advanced tools for motors, transformers, voltage drop, and box fill, along with on-site utilities like panel legends and torque settings.

NEC 2026 compliant calculationsWire sizing and ampacityConduit fill and expansion
🔧 Utilities
(1)
paid
5
Ohm's Law: Circuit Calculator
Ohm's Law: Circuit Calculator
Ohm's Law: Circuit Calculator
Electrical Calculator & Solver
Free

This app simplifies electrical calculations by accurately computing voltage, current, resistance, and power. It offers a user-friendly interface and step-by-step explanations, making it ideal for students, engineers, and electricians to solve circuit problems efficiently.

Voltage calculationCurrent calculationResistance calculation
🔧 Utilities
(1)
ad-supported
6
AWG Calculator: Wire Size
AWG Calculator: Wire Size
AWG Calculator: Wire Size
Electrician Wire Tool
Free

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.

Wire size (AWG) calculationsVoltage drop calculationCircuit breaker sizing
🔧 Utilities
(67)
free with in-app purchases
7
Amateur Radio Toolkit 2025
Amateur Radio Toolkit 2025
Amateur Radio Toolkit 2025
Amateur Radio Tools
Free

This app provides ham radio enthusiasts with a comprehensive suite of calculators and tools for designing and building radios and antennas. It includes features for code references, coordinate conversions, unit conversions, and various antenna and technical calculations.

Q Code, 92 Code, and RST Code referencesCoordinate and Grid Square calculatorsAntenna length calculators (Dipole, Vertical, Quad, etc.)
🔧 Utilities
(10)
free with in-app purchases
8
Southwire® Voltage Drop Calc
Southwire® Voltage Drop Calc
Southwire® Voltage Drop Calc
Southwire Calculator
Free

Calculate the appropriate wire size for electrical circuits. This tool helps determine wire size based on voltage drop and current carrying capacity, ensuring compliance with NEC ampacity limits.

Determine wire size for voltage dropCalculate voltage drop for conductor runsLimit wire size by voltage drop
🔧 Utilities
(1.5K)
free
9
Duct Calculator
Duct Calculator
Duct Calculator
Ductulator & Duct Sizer
$19.99

This app allows HVAC professionals to quickly and accurately size new ducts or calculate the performance of existing ones. It supports both round and rectangular ductwork, offering precise calculations through direct entry or intuitive sliders. The tool provides live updates and outputs key performance metrics.

Size round and rectangular ductworkAdjust airflow, diameter, width, and heightDirect number entry for precision
🔧 Utilities
(179)
free