Best Cable Sizing Apps

Cable sizing, voltage drop

paid

HAK Cable Size Estimator

Ampacity-based cable sizingVoltage drop calculation (R-only or R+X)Support for single and three-phase systems

This utility app assists engineers in accurately calculating power cable sizes based on ampacity and voltage drop. It supports various system types, materials, and includes features for parallel runs and motor current estimation. Calculations are performed offline and results are presented with a concise math trace.

Size the cable in seconds

🎨 Graphics & Design

by Unique Computer Systems LLC

Cable Size Calculator

Offline operationVoltage drop calculationSupports copper and aluminum cables

This tool helps electrical professionals quickly determine the correct cable sizes for electric circuits. It calculates voltage drop and supports various cable types, working offline for convenience on job sites.

Voltage Drop & Conduit Fill

(2)

free

WireCalc - Wire Sizing

$7.99

🔧 Utilities

DC Power System Cable Size

DC Power Cable Size Calc

$2.99

This utility calculates the appropriate wire gauge for DC power systems based on length, voltage, and current. It helps prevent voltage drops, overheating, and wasted energy by ensuring correct cable sizing for applications like solar panels and battery systems.

Instant wire gauge calculationCopyable resultsIncludes reference formulas

by FINOLEX CABLES LIMITED

💼 Business

CableCalc BS7671 Lite

by Castline Systems

Ring, radial, and lighting circuit calculationsCurrent carrying capacity checksVolt drop calculations

This app calculates electrical circuits, including current carrying capacity, volt drop, and correction factors for PVC cable. It provides a detailed summary of checks for ring, radial, and lighting circuits.

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.

Calculates wire size, voltage drop, and ampacitySupports custom DC voltages up to 500 ampsSave, edit, and export wire run details

🔧 Utilities

(23)

paid

Wire Gauge Calculator: Cable

12V Electric System Planner

Electric Master: NEC Panel

Wire Size, Box Fill & Schedule

NEC-compliant electrical calculatorsOffline functionalityVoltage drop calculations

This app provides a suite of electrical calculation tools for professionals, offering NEC-compliant solutions for wire sizing, voltage drop, and more. It works offline and allows for PDF export of results with custom branding.

free with in-app purchases

(5)

Building Wire Reliability Calc

This tool helps determine the maximum allowable lengths for twisted-pair copper patch and horizontal cables in compliant Category 5e, 6, or 6A channels. It allows users to define cables, create multi-cable channels, and validates configurations, providing guidance on length adjustments.

Define cable type, category, gauge, and lengthCreate single or multi-cable channelsValidate channel configurations

This tool assists professionals in selecting the optimal cabling solution for their projects. It calculates the best cross-section, offers money and CO2 saving advice, and provides access to technical documentation and industry news.

Optimal cross-section calculationMoney and CO2 saving adviceAccess to technical documentation

Electrical Calculations

Cable sizing & capacity

Wire size and voltage drop calculationsPower, current, and resistance calculationsMotor performance and connection diagrams

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.

free with in-app purchases

(126)

Pump Cable Calculator

Southwire®