Best NEC Load Calculator alternatives: apps like NEC Load Calculator

10+ similar apps compared and reviewed

4.3 avg rating
9 free apps
Updated November 2026

Whether you want more options like NEC Load Calculator or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to NEC Load Calculator

Electrical Load Calc NEC#2

Electrical Load Calc NEC by Rizvan Adzhoian

NEC Art.220 Residential Load
Strong Contender
🔧 Utilities
3.4(5 ratings)
$0.99In-App Purchases
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Calculate residential electrical service sizes accurately using NEC standards. This tool provides step-by-step breakdowns, references official articles, and supports multiple NEC editions for electricians and engineers.

Kopperfield#3

Kopperfield by Kopperfield

Load calcs, NEC help, and more
Worth Considering
🔧 Utilities
4.1(14 ratings)
Free
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Streamline electrical design and permit preparation with tools for load calculations, single-line diagrams, and panel schedules. Quickly reference the National Electrical Code with an AI-powered chatbot and generate PDF reports for inspectors.

More apps like NEC Load Calculator

4
MasterElec - NEC Code Guide
MasterElec - NEC Code Guide
MasterElec - NEC Code Guide
Electrical Voice Assistant
Free

A voice-powered assistant for electricians that provides offline access to NEC references and professional calculators. Quickly get answers to code questions and perform calculations without needing an internet connection.

Voice-first interface for queries100% offline functionalityNEC reference access
🔧 Utilities
(9)
freemium
5
ElectriCalc Pro
ElectriCalc Pro
ElectriCalc Pro
Electrician NEC Calculator
Free

This app provides electricians and electrical professionals with a powerful tool for performing complex calculations based on the latest National Electrical Code (NEC). It offers solutions for wire sizing, voltage drop, conduit sizing, and motor calculations, saving time and ensuring code compliance.

NEC compliant calculationsWire and conduit sizingVoltage drop calculations
🔧 Utilities
(368)
free with in-app purchases
6
AWG Calculator: Wire Size
AWG Calculator: Wire Size
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.

Wire size (AWG) calculationsVoltage drop calculationCircuit breaker sizing
🔧 Utilities
(70)
free with in-app purchases
7
Mike Holt's Electrical Toolbox
Mike Holt's Electrical Toolbox
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.

Conductor sizingVoltage drop limitationsCircuit protection sizing
🔧 Utilities
(198)
free
8
Southwire® Voltage Drop Calc
Southwire® Voltage Drop Calc
Southwire® Voltage Drop Calc
Southwire Calculator
Free

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.

Determine wire size for voltage dropCalculate voltage drop for conductor runsLimit wire size by voltage drop
🔧 Utilities
(1.5K)
free
9
Southwire® Conduit Fill Calc
Southwire® Conduit Fill Calc
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.

Conduit size calculationNEC fill percentagesJam probability
🔧 Utilities
(773)
free
10
Fault Current Calculator
Fault Current Calculator
Fault Current Calculator
by Cooper Bussmann, LLC
Free

This tool helps contractors, engineers, and electricians quickly calculate available fault current on single and three-phase electrical systems. It also assists in sizing fuses and conductors for various circuits and can generate labels for service equipment.

Calculate available fault currentSize fuses and conductorsGenerate service equipment labels
🔧 Utilities
(27)
freemium