Best Wire Size Apps

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.

AWG Calculator: Wire Size

NEC, Conduit, Voltage Drop

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.

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.

Electrical Calculations

Cable sizing & capacity

Free

This app provides a comprehensive suite of electrical calculations for professionals. It supports various international standards and offers detailed reports in PDF format. The tool covers wiring, power, motor, and electronic calculations, along with extensive conversion tables and resources.

Red Hill Car Wash

by Total Web Solutions Inc.

Free

Pay for car wash services without coins. Receive special offers and bonuses on purchases. Buy vending and detailing products directly through the app.

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.

DC Wire Sizer

Easy Wire Sizing Calculator!

$2.99

Calculate appropriate DC wire sizes for electrical projects, preventing equipment damage and fires. Save, edit, and export wire run details for electrical plans and material purchases. Features a wizard for easy sizing for all users.

WireSizer - DC Voltage Drop

Wire Gauge & 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.

Voltage Drop & Wire Size

NEC, Metric & Ampacity

Free

Calculate voltage drop and size wires for electrical projects. Evaluate existing conductors or find the optimal size for your needs. Supports various electrical systems and international standards.

Building Wire Selector

Southwire Calculator

Free

This tool helps determine the correct conductor size and wire type for electrical installations. It adheres to the National Electrical Code® wiring methods, ensuring compliance and safety.

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.

Wire Gauge Charts - Size tables for AWG, SWG, BWG

by Chewy Applications

$0.99

Access comprehensive wire gauge charts for AWG, SWG, and BWG. Quickly find diameter, area, resistance, and weight values for various wire types with easy scrolling or a search bar. Includes comparison tables and specific data for aluminum and copper wires.