Best Voltage Drop Pro Apps

110+ iOS apps curated and reviewed

4.3 avg rating
15 free apps
Updated May 2026

Looking for free voltage drop pro apps? 15 of our 110+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for Voltage Drop Pro

Southwire® Voltage Drop Calc#2

Southwire® Voltage Drop Calc by Southwire Company

Southwire Calculator
Strong Contender
🔧 Utilities
4.6😐(1.4K 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 right wire size for your electrical circuit with this voltage drop calculator. Ensure proper conductivity while meeting specific voltage drop limits and NEC ampacity standards. Perfect for AWG and KCMIL sizes in various applications.

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#3

Prysmian Group Voltage Drop by Prysmian Group

Worth Considering
📊 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

This tool helps electrical professionals quickly calculate maximum circuit distance and minimum conductor size for a required voltage drop, providing essential details like actual voltage loss and maximum amps. Try it out to easily determine conductor sizes and circuit distances based on NEC codes and conductor types.

More Voltage Drop Pro apps to explore

4
FieldCalc - Voltage Drop Pro
FieldCalc - Voltage Drop Pro
FieldCalc - Voltage Drop Pro
by XLWonder Solutions INC.
$3.99
🔧 Utilities
(0)
5
Voltage Drop Calculator.
Voltage Drop Calculator.
Voltage Drop Calculator.
Wire Size, NEC & IEC Tools
Free
🔧 Utilities
(411)
6
WCW Voltage Drop Calculator
WCW Voltage Drop Calculator
WCW Voltage Drop Calculator
Windy City Wire
Free
🔧 Utilities
(2)
7
WireSizer - DC Voltage Drop
WireSizer - DC Voltage Drop
WireSizer - DC Voltage Drop
DC Wire Size Calculator
$4.99

This DC Voltage Drop Calculator makes it easy to choose the right wire size for low-voltage DC systems, providing fast, accurate, and intuitive calculations for professionals and DIY enthusiasts alike. Simply input your circuit details and instantly see the correct wire gauge for your desired voltage drop, ensuring safe and efficient electrical connections.

🔧 Utilities
(224)
8
Ohms Law Calc.
Ohms Law Calc.
Ohms Law Calc.
Wire Size & Voltage Drop
Free

Ohms Law Calc. is a comprehensive app featuring 62 electrical calculators and formulas for various calculations such as voltage, current, resistance, and power. Explore a wide range of tools including voltage drop, power factor, transformer calculator, and more!

🔧 Utilities
(1.3K)
9
FieldCalc - Voltage Drop Lite
FieldCalc - Voltage Drop Lite
FieldCalc - Voltage Drop Lite
Electrician Voltage Calculator
Free
🔧 Utilities
(0)
10
VDrop
VDrop
VDrop
600V and Less
Free

This voltage drop calculator helps users perform due diligence and develop confidence in their results by providing detailed calculations for voltages 600V and less. Users can input custom voltages within this range to get accurate outputs.

🔧 Utilities
(3)
11
ElectriCalc Pro
ElectriCalc Pro
ElectriCalc Pro
Electrician NEC Calculator
Free
$29.99 | 100% OFF

This electrical code calculator app helps electrical contractors, designers, and specialists solve complex calculations in seconds, ensuring conformance with the latest National Electrical Code (NEC). Try it for free before buying, and discover a comprehensive electrical reference tool that saves time, trouble, and money.

🔧 Utilities
(256)
12
The Voltage Drop Calc
The Voltage Drop Calc
The Voltage Drop Calc
Voltage Drop Calulator & Tools
Free
🔍 Reference
(0)
13
AWG Calculator: Wire Size
AWG Calculator: Wire Size
AWG Calculator: Wire Size
Electrician Wire Tool
Free

This electrical calculation tool simplifies wire size and other calculations following NEC standards, making it ideal for professionals and DIYers. Download now and try it for free for a month to streamline your electrical design and installation work.

🔧 Utilities
(67)
14
Voltage Drop Calculators
Voltage Drop Calculators
Voltage Drop Calculators
Voltage Drop Calculations
$3.99
📊 Productivity
(2)
15
Voltage Divider
Voltage Divider
Voltage Divider
by Ditty Labs, LLC
$1.99

This engineering utility solves for voltages or resistor values in a voltage divider circuit by entering three terms and automatically calculating the fourth. It helps users quickly select resistor values and calculate voltages, currents, and power, making it a time-saving tool for circuit design.

🔧 Utilities
(3)
16
Victron Toolkit
Victron Toolkit
Victron Toolkit
by Victron Energy
Free

This application enables users to optimize their system's performance with precise diagnostics and user-friendly tools, allowing for easy device status checks, voltage drop calculations, and inverter/charger performance monitoring. By using this tool, users can ensure a reliable system and make informed decisions with confidence.

💼 Business
(11)
17
Mike Holt's Electrical Toolbox
Mike Holt's Electrical Toolbox
Mike Holt's Electrical Toolbox
Electrical Power Calculator
Free

An industry-leading electrical power calculator app designed by Mike Holt for electricians, inspectors, contractors, and engineers. Perform conductor sizing, circuit protection, race sizing, and more with this practical and useful tool.

🔧 Utilities
(198)
18
Southwire® Conduit Fill Calc
Southwire® Conduit Fill Calc
Southwire® Conduit Fill Calc
by Southwire Company
Free

This application helps electricians, engineers, and contractors quickly determine the proper conduit size to use based on NEC guidelines, including fill percentages and jam probability. Simply input conduit type, size, and conductors, and the app will calculate the conduit fill percentage for you.

🔧 Utilities
(679)
19
Electrician Handy Tool
Electrician Handy Tool
Electrician Handy Tool
All in one electricians tools
Free

This all-in-one tool helps electricians with their daily work by providing calculators for voltage drop, conduit bending, and fractions, making electrical work easier and more efficient. Try it out to streamline your tasks and get the job done quickly and easily.

📊 Productivity
(21)
20
Voltage Regulator
Voltage Regulator
Voltage Regulator
by Siu Yuen Ho
Free

This voltage regulator calculator app helps electronics hobbyists and professionals find combinations of resistors for desired output voltages and calculate resistor values. It offers features such as exporting results to CSV files, sharing via AirDrop or iCloud Drive, and additional advanced features for users who upgrade to the PRO version.

📚 Education
(4)