Best Southwire Voltage Drop Apps

149+ iOS apps curated and reviewed

4.3 avg rating
18 free apps
Updated June 2026

Out of 149+ southwire voltage drop apps on iOS, 18 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for Southwire Voltage Drop

Southwire® Voltage Drop Calc#1

Southwire® Voltage Drop Calc by Southwire Company

Southwire Calculator
Editor's Choice
🔧 Utilities
4.6😐(1.5K ratings)
Free
Southwire® Voltage Drop Calc screenshot 1
Southwire® Voltage Drop Calc screenshot 2
Southwire® Voltage Drop Calc screenshot 3
Southwire® Voltage Drop Calc screenshot 4
Southwire® Voltage Drop Calc screenshot 5
Southwire® Voltage Drop Calc screenshot 6

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.

What We Love

  • 🚀 Quick and useful
  • 🚀 Great Quick Reference
  • 👍 A must have app for electricians
  • 👍 Love These

Room to Improve

  • 🐛 Motor starting Voltage drop
  • 🐛 Useless!
  • 🐛 Won't work
Prysmian Group Voltage Drop#2

Prysmian Group Voltage Drop by Prysmian Group

Strong Contender
📊 Productivity
5.0(6 ratings)
Free
Prysmian Group Voltage Drop screenshot 1
Prysmian Group Voltage Drop screenshot 2
Prysmian Group Voltage Drop screenshot 3
Prysmian Group Voltage Drop screenshot 4
Prysmian Group Voltage Drop screenshot 5

Calculate maximum circuit distance and minimum conductor size for required voltage drop. Designed for electrical professionals, it provides detailed information on conductor size, voltage loss, and amperage based on NEC standards.

Southwire® Conversion Calc#3

Southwire® Conversion Calc by Southwire Company

Southwire
Worth Considering
🔧 Utilities
4.2(5 ratings)
Free
Southwire® Conversion Calc screenshot 1
Southwire® Conversion Calc screenshot 2
Southwire® Conversion Calc screenshot 3
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Southwire® Conversion Calc screenshot 5

This utility app facilitates conversions between copper and aluminum electrical wiring. It allows users to calculate pricing, unit of measure, conversion factors, and weight based on product length. The app comes preloaded with numerous cable types for easy calculation.

More Southwire Voltage Drop apps to explore

4
Southwire® Conduit Fill Calc
Southwire® Conduit Fill Calc
Southwire® Conduit Fill Calc
by Southwire Company
Free

This tool assists electricians, engineers, and contractors in determining the correct conduit size based on NEC guidelines. It calculates conduit fill percentages and jam probability, saving time compared to manual calculations.

Conduit size calculationNEC fill percentagesJam probability
🔧 Utilities
(746)
free
5
Voltage Drop Calculator.
Voltage Drop Calculator.
Voltage Drop Calculator.
Wire Size, NEC & IEC Tools
Free

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.

NEC and IEC dual standardsVoltage drop and wire sizing calculationsSupport for continuous load and corrections
🔧 Utilities
(411)
free with in-app purchases
6
SIMpull 600V Calculator
SIMpull 600V Calculator
SIMpull 600V Calculator
Southwire Calculator
Free

This app offers multiple calculators for electrical calculations, all linked by wire pull characteristics. It generates NEC® compliant answers for voltage drop, ground wire sizing, ampacity adjustments, and more. Results can be easily emailed.

Voltage Drop CalculatorGround Wire SizingAmpacity Adjustments
🔍 Reference
(57)
free
7
Ugly's Electrical References
Ugly's Electrical References
Ugly's Electrical References
by Informed Publishing
$12.99

This app provides electricians and electrical professionals with up-to-date digital information based on the National Electrical Code. It includes formulas, wiring diagrams, conduit bending guides, and calculators for various electrical calculations. The app is designed for on-the-job reference and works offline.

NEC 2026 updatesMathematical formulas and calculatorsConduit bending guide with videos
📊 Productivity
(1.5K)
paid
8
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
9
Electrical Code-A-Day
Electrical Code-A-Day
Electrical Code-A-Day
Quiz for Electricians
Free

Test your electrical knowledge daily with a new question based on the US electrical code. Perfect for apprentices, journeymen, and masters seeking to learn or refresh their understanding of electrical concepts and regulations.

Daily electrical code questionsQuestions written by a real electricianCovers a wide range of electrical topics
📊 Productivity
(8.6K)
free
10
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
11
Partial Reel Calculator
Partial Reel Calculator
Partial Reel Calculator
Southwire
Free

This utility app helps estimate the remaining wire or cable footage on a reel. It comes preloaded with common cables and reels, and allows users to create custom favorites for quick access.

Estimates wire/cable footage on reelsPreloaded with common cables and reelsCreate custom favorite cables and reels
🔧 Utilities
(11)
free
12
Electrician Handbook — Basics
Electrician Handbook — Basics
Electrician Handbook — Basics
Electric circuit, voltage, ohm
Free
$5.99 | 100% OFF

This app provides electricians, students, and installers with essential electrical theory, interactive diagrams, and practical calculators. It includes a community forum for users to share knowledge and seek advice, all accessible offline without ads or subscriptions.

Electrical theory topicsInteractive circuit diagramsCalculators and formulas
🔍 Reference
(965)
free
13
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
14
Electrician Handy Tool
Electrician Handy Tool
Electrician Handy Tool
All in one electricians tools
Free

This app provides electricians with essential tools for conduit bending, calculations, and quick reference. It simplifies electrical work with features like voltage drop calculation and a user-friendly fraction calculator.

Voltage drop calculatorConduit bending calculatorFraction calculator
📊 Productivity
(21)
free with in-app purchases
15
RunPayroll for Employees
RunPayroll for Employees
RunPayroll for Employees
by SurePayroll, Inc
Free

Securely access your paycheck, deduction, and benefit details from your mobile device. View past paystubs, track vacation time, and verify your information anytime, anywhere. This app is exclusively for employees of existing RunPayroll customers.

View paycheck detailsTrack vacation, sick, and personal timeAccess past pay stubs
💰 Finance
(1K)
free
16
Circuit Wizard
Circuit Wizard
Circuit Wizard
by Blue Sea Systems, Inc.
Free

This app assists electricians and enthusiasts in calculating wire sizes for installations based on ABYC and Blue Sea Systems specifications. It also helps find suitable protective products for circuits. The application functions completely offline.

Wire sizing calculationABYC and Blue Sea Systems specificationsProduct search for circuit protection
🔍 Reference
(19)
free
17
WCW Voltage Drop Calculator
WCW Voltage Drop Calculator
WCW Voltage Drop Calculator
Windy City Wire
Free

Calculate electrical circuit voltage drop quickly and accurately. Input circuit details like conductor material, wire size, voltage, phase, length, and load to determine voltage drop, percentage drop, and end-circuit voltage for efficient and safe installations.

Calculate voltage dropDetermine percentage voltage dropCalculate voltage at end of circuit
🔧 Utilities
(2)
free
18
WireSizer - DC Voltage Drop
WireSizer - DC Voltage Drop
WireSizer - DC Voltage Drop
DC Wire Size Calculator
$4.99

This app quickly calculates the correct DC wire gauge needed for any circuit. Simply input voltage, current, and length to determine the optimal wire size, considering voltage drop and ampacity limits. It's suitable for various DC systems up to 60 VDC.

Instant DC wire size calculationVoltage drop percentage selectionAmpacity limit checks
🔧 Utilities
(224)
paid
19
Voltage Drop & Wire Size
Voltage Drop & Wire Size
Voltage Drop & Wire Size
NEC, Metric & Ampacity
Free
🔧 Utilities
(0)
20
Electrician's Sidekick
Electrician's Sidekick
Electrician's Sidekick
by IDEAL INDUSTRIES, INC
Free

This free tool consolidates essential electrical calculations and reference guides into a single app. It offers precise tools for conduit bending, wire sizing, voltage drop, and conduit fill, designed to enhance fieldwork efficiency and accuracy for professionals. The app functions offline, ensuring constant access to critical information.

Conduit bending calculatorWire sizing and voltage drop calculatorConduit fill calculator
📊 Productivity
(16)
free

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