Best Electrical Conduit Fill Apps

Calculate maximum cable capacitySelect conduit sizeChoose fill ratio

Easily determine the maximum number of data cables that can fit within a conduit of a specific size. Input your conduit dimensions and desired fill ratio to get an instant calculation.

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Electrical Toolkit by HCP

Conduit + load calcs for pros

Conduit bending calculationsNEC-compliant conduit fillResidential load calculations

This comprehensive mobile toolkit provides electricians and professionals with essential calculations, NEC-compliant tools, and field utilities. It offers features for conduit bending, fill calculations, load analysis, and various electrical calculators, all designed for speed and clarity.

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Southwire® Voltage Drop Calc

Southwire Calculator

Determine wire size for voltage dropCalculate voltage drop for conductor runsLimit wire size by voltage drop

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.

(1.5K)

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

(1.5K)

Mike Holt's Electrical Toolbox

Electrical Power Calculator

Conductor sizingVoltage drop limitationsCircuit protection sizing

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.

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Prysmian Group Conduit Fill

Electrical Conduit Fill

NEC code selection (2011, 2014, 2017)Metric or standard conductorsAllowable fill rates

This tool quickly calculates the minimum conduit size required for electrical projects based on National Electrical Code standards. It supports various conductor types, insulation, and conduit options, providing essential fill data for professionals.

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Electrician's Sidekick

by IDEAL INDUSTRIES, INC

Conduit bending calculatorWire sizing and voltage drop calculatorConduit fill calculator

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.

quickly calculate conduit fill

$4.99

This app helps electricians quickly calculate conduit fill based on the latest NEC or CEC codes. Easily add various wire types and quantities to determine the minimum required conduit size.

NEC and CEC code calculationsSupport for up to 1000 wiresSelect from different wire types

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Fill and Derating Calculator

Derated: Conduit Fill

$1.99

This app simplifies complex electrical calculations for electricians. It allows real-time calculation of conduit fill and wire ampacity derating, adhering to NEC guidelines. Results are accurate and easily shareable for collaboration or client communication.

Real-time conduit fill calculationSimultaneous wire ampacity deratingAdheres to NEC guidelines

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Conduit Fill: NEC Calculator

Voltage Drop, Wire & Box Fill

16 NEC calculatorsNEC year-aware (2017-2026)Inspector citations on results

This professional calculator helps licensed electricians perform complex NEC code calculations for conduit fill, voltage drop, wire sizing, and more. It offers multiple NEC code years and provides inspector-ready PDF exports with project management features. Designed for offline use in the field.

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Electrical Code-A-Day

Quiz for Electricians

Daily electrical code questionsQuestions written by a real electricianCovers a wide range of electrical topics

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.

The electrician's helper

Conduit fill calculationsConduit sizing calculationsSupports US, Canadian, and UK codes

This app assists electrical tradespeople with conduit fill and sizing calculations for various wire gauges. It supports US, Canadian, and UK electrical codes, offering a 7-day free trial before a monthly or yearly subscription.

Electrical circuit colors

Global country-specific wire color codesExtensive circuit database (up to 1000 circuits)Quick search for phase colors

This app helps electricians and DIYers identify electrical wire colors globally. It offers country-specific codes, a large circuit database, and quick search functionality. Customize colors for your projects and enjoy a user-friendly interface for efficient electrical panel wiring.

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Master Electrician Ref. Lite

A handbook for electricians

Motor and wiring informationAmpacity tablesConduit fill and grounding sizes

This electronic pocket reference guide provides essential information for electrical professionals. It offers calculations, code tables, and detailed sections on motors, ampacities, grounding, and more, all accessible on your mobile device.

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Conduit Bender Elite - Calc

Calculator for Electricians

$7.99

This app is a specialized calculator for electricians to simplify conduit bending calculations. It offers detailed diagrams and step-by-step guidance for various bend types, helping users save time and focus on installation. Users can customize settings for different conduit sizes and units of measurement.

Conduit bending calculationsDiagrams and step-by-step helpMultiple bend types supported

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Electrical Wiring Pro 2017

Calcs, Refs - Electrical Pros

2017 Electrical Code supportAmpacity and wire sizingBox fill and wire bending space

This app provides electrical calculations and references based on the 2017 Electrical Code. It supports multiple code versions and offers features for wire sizing, box fill, conduit fill, residential load calculations, and voltage drop.

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BendCalc: Conduit Bending

Offset, saddle & fill calc

Precise bend mark calculationsMultiple calculator types (stub-up, offset, saddle)Supports various hand benders with presets

This app provides precise calculations for various conduit bends, eliminating guesswork and material waste. It offers multiple calculator types, supports different benders, and works offline. A free version offers basic calculators, with a one-time purchase unlocking all features.

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