Best Cable Sizing Apps

DC Wire Sizer

Easy Wire Sizing Calculator!

$2.99

This application is a fast and safe wire sizing calculator designed for DC wiring projects, helping users determine the correct wire size, voltage drop, and ampacity for various applications. It offers a range of features, including the ability to save, edit, and export wire runs, making it a valuable tool for professionals and DIYers to ensure safe and efficient electrical planning.

DC Power Cable Size Calc

DC Power System Cable Size

$2.99

This electrical calculator determines the approximate wire gauge/size for DC power systems based on wire length, voltage, and current. It provides instant calculations, copyable results, and reference formulas to help users safely size cables for applications like solar panels, wind turbines, and low-voltage systems.

Cable Calc+

by Megger LTD

Free

This free iPhone app provides electrical contractors with a comprehensive cable selection and volt drop calculator tool, as well as a guide to electrical test instruments and additional resources. Download the app to access tools for cable calculations and learn more about electrical testing with videos and expert guidance.

CableCalc BS7671 Lite

by Castline Systems

Free

This mobile app calculates electrical cable requirements for various circuits, including checks on current carrying capacity, volt drop, and operating temperature. It provides a detailed summary of calculations, making it a useful tool for electrical professionals, download it now to try its features.

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.

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!

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.

Circuit Wizard

by Blue Sea Systems, Inc.

Free

This application helps electricians and enthusiasts determine wire sizing for installations based on specific parameters, and then find compatible products to protect the circuit. Try it out to easily calculate wire sizes and find suitable products offline.

Pockethernet

by Poket Hardware GmbH

Free

This application is a tool for computer network professionals, allowing them to analyze and test Ethernet networks using a smartphone-connected device. It enables users to perform various tests, generate reports, and remotely control the device's functions to facilitate installation and maintenance tasks.

Cable Calc

Cable Size Calculator

$14.99

This cable size calculator uses BS 7671 standards to determine the minimum required cable size for single and three phase circuits, allowing users to print or save results. Simply input design criteria, installation details, and optional client and circuit information to get accurate calculations.

ElectricalWiringPro

by Intineo LLC

Free

This application provides electrical code and design calculators for professionals working with wiring systems, including electricians, engineers, and others. It offers a range of calculations and tools, such as ampacity and wire size calculators, box and conduit fill calculators, and more, to help users with their daily work.

Partial Reel Calculator

Southwire

Free

This application estimates the footage of wire or cable left on a reel, offering preloaded options and the ability to create custom favorites for convenience. Download it now to easily calculate partial reel measurements on your iPad or iPhone.