Best WireCalc alternatives: apps like WireCalc - Wire Sizing

10+ similar apps compared and reviewed

4.6 avg rating
8 free apps
Updated November 2026

Whether you want more options like WireCalc 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 WireCalc

Wire Size Calc#1

Wire Size Calc by Rizvan Adzhoian

NEC Ampacity & Derating
Editor's Choice
πŸ”§ Utilities
5.0(1 ratings)
$0.99In-App Purchases
Wire Size Calc screenshot 1
Wire Size Calc screenshot 2
Wire Size Calc screenshot 3
Wire Size Calc screenshot 4

Calculate the correct wire gauge for electrical circuits using official NEC ampacity tables and derating factors. Supports various load types, conductor materials, insulation, and installation methods. Works entirely offline for on-site use.

More apps like WireCalc

4
Calculation Transformers
Calculation Transformers
Calculation Transformers
Transformer Math Tool
Free

This electrical engineering tool simplifies complex transformer calculations for students and professionals. It offers fast, accurate results in an easy-to-understand format, aiding in design, maintenance, and analysis.

Fast transformer calculationsClear input structureAccurate results
πŸ”§ Utilities
(1)
free with in-app purchases
5
Wire & Load
Wire & Load
Wire & Load
Wire size, breaker, drop
Free
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(0)
6
μ‚Άκ³Ό 운λͺ…
μ‚Άκ³Ό 운λͺ…
μ‚Άκ³Ό 운λͺ…
by Youngsang Hwang
Free
πŸ”§ Utilities
(0)
7
Lead Wire Ampacity
Lead Wire Ampacity
Lead Wire Ampacity
Southwire Calculator
Free
πŸ”§ Utilities
(0)
8
NEC Box & Conduit Calc
NEC Box & Conduit Calc
NEC Box & Conduit Calc
NEC Tools for Electricians
Free

Calculate electrical box and conduit fill accurately according to the NEC. This app provides instant, reliable calculations for electricians, contractors, and students, saving time on job sites. It offers support for various box and conduit types, conductor sizes, and includes wire volume data.

Box fill calculationsConduit fill calculationsWire volume data
πŸ”§ Utilities
(20)
free with in-app purchases
9
National Electricians Calc
National Electricians Calc
National Electricians Calc
#1 Electrical Calculator
Free

This app provides electricians with fast, reliable electrical calculations for the jobsite. It offers practical tools for conduit fill, ampacity, voltage drop, and more, ensuring consistent results quickly. Designed for professionals who need dependable tools without unnecessary features.

Conduit fill calculationsAmpacity calculationsVoltage drop calculations
πŸ”§ Utilities
(2)
freemium
10
NEC Load Calculator
NEC Load Calculator
NEC Load Calculator
Residential, Commercial, Panel
Free

This app performs electrical load calculations based on the NEC 2023 code. It offers modules for residential, commercial, motor, and branch circuit calculations, along with panel scheduling and PDF export. Designed for licensed electricians and contractors.

NEC 2023 load calculationsResidential, commercial, motor, branch circuit modulesPanel schedule editor
πŸ”§ Utilities
(3)
free