Best The Ohms Law Calc Apps

187+ iOS apps curated and reviewed

4.4 avg rating
13 free apps
Updated June 2026

Out of 187+ the ohms law calc apps on iOS, 13 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for The Ohms Law Calc

Ohm's Law Calculator#3

Ohm's Law Calculator by Phan Nhat Đang

Power, Volts, Amps, Ohm : Calc
Worth Considering
🔧 Utilities
5.0(2 ratings)
FreeAdsIn-App Purchases
Ohm's Law Calculator screenshot 1
Ohm's Law Calculator screenshot 2

This app helps you calculate voltage, current, resistance, and power by simply entering any two values, and it supports various units of calculation. Download the app to easily compute the remaining values and streamline your electrical calculations.

More The Ohms Law Calc apps to explore

4
Ohm Law Calculator
Ohm Law Calculator
Ohm Law Calculator
Amps Ohms Watts Volts Calc
$2.99

This application allows users to calculate current, voltage, resistance, and power using Ohm's Law by inputting just two known values. With real-time results, users can efficiently plan circuits, troubleshoot, or design electrical systems, making it a valuable tool for both electrical enthusiasts and professionals.

🔧 Utilities
(4)
5
Ohms Law Calc.
Ohms Law Calc.
Ohms Law Calc.
Wire Size & Voltage Drop
Free

Ohms Law Calc. is a comprehensive app featuring 62 electrical calculators and formulas for various calculations such as voltage, current, resistance, and power. Explore a wide range of tools including voltage drop, power factor, transformer calculator, and more!

🔧 Utilities
(1.3K)
6
Resistance Calculator: In Ohms
Resistance Calculator: In Ohms
Resistance Calculator: In Ohms
Resistor bands, Watt & Ohm Law
Free

This electronics utility app helps users quickly calculate resistance using standard resistor color codes and includes a built-in Ohm's Law and Watt's Law calculator for voltage, current, resistance, and power calculations. Download the app to simplify resistor identification and circuit calculations, saving time and reducing errors.

🔧 Utilities
(10)
7
Ugly's Electrical References
Ugly's Electrical References
Ugly's Electrical References
by Informed Publishing
$12.99

This app is a comprehensive electrical reference guide that has been updated to align with the 2020 National Electrical Code. It offers a range of features such as calculators, interactive tools, and in-depth information for electricians, making it a valuable on-the-job resource.

📊 Productivity
(1.4K)
8
Ohmulator
Ohmulator
Ohmulator
Ohm's Law Calculator
$0.99

This electric circuit calculator simplifies Ohm's Law calculations, allowing users to find unknown variables by entering two known values and selecting preferred units. With the ability to calculate effective resistance and power, it's a must-have tool for anyone working with electronics.

🔧 Utilities
(74)
9
Ohm's Law: Circuit Calculator
Ohm's Law: Circuit Calculator
Ohm's Law: Circuit Calculator
Electrical Calculator & Solver
Free
🔧 Utilities
(1)
10
ElectriCalc Pro
ElectriCalc Pro
ElectriCalc Pro
Electrician NEC Calculator
Free
$29.99 | 100% OFF

This electrical code calculator app helps electrical contractors, designers, and specialists solve complex calculations in seconds, ensuring conformance with the latest National Electrical Code (NEC). Try it for free before buying, and discover a comprehensive electrical reference tool that saves time, trouble, and money.

🔧 Utilities
(256)
11
Electronics docs & calcs
Electronics docs & calcs
Electronics docs & calcs
Electronics lab in your pocket
Free

This application is an electronics lab in your pocket, providing a comprehensive reference and calculation tool for electronic engineers and hobbyists to design and analyze electronic circuits. It offers a wide range of features, including component references, circuit calculations, and tools for filter design, amplifier analysis, and more, making it easier to work with electronic circuits.

📚 Education
(13)
12
Ohm & Watt Law Electrical Calc
Ohm & Watt Law Electrical Calc
Ohm & Watt Law Electrical Calc
Volt,Current,Power,Resistance
Free

This electrical calculator helps users find missing variables of electricity, such as power, voltage, current, and resistance, by simply inputting two known values. Try it out to easily solve your electrical calculations and get accurate results.

🔧 Utilities
(49)
13
PIER: Ohm's Law Calculator
PIER: Ohm's Law Calculator
PIER: Ohm's Law Calculator
Electrical Reference App
$1.99

This electrical reference app provides a quick and accurate calculator for finding voltage, current, resistance, and power using Ohm's Law. Interact with the intuitive wheel to learn and calculate formulas, and easily copy and paste simplified or precise values into other applications.

🔧 Utilities
(3)
14
Electrical Code-A-Day
Electrical Code-A-Day
Electrical Code-A-Day
Quiz for Electricians
Free

Put your electrical knowledge to the test with this daily quiz app for electricians! Answer a new question each day or binge-answer them all at once. Perfect for apprentices, journeymen, and masters looking to sharpen their skills or refresh their knowledge. Lightning-fast learning on all things electrical!

📊 Productivity
(8.6K)
15
OHMs Law Calc
OHMs Law Calc
OHMs Law Calc
by Jonathan Mellen
$1.99

This application calculates electrical values using OHM's Law for single and three-phase systems, allowing users to easily determine watts, volts, amps, or ohms. Simply select a value from the OHM's law circle and calculate, with the option to also back-calculate load resistance and support for widgets.

🔍 Reference
(3)
16
Audiofile Calc
Audiofile Calc
Audiofile Calc
by Audiofile Engineering, LLC
Free

This musical calculator app is a comprehensive tool for music professionals and students, offering 23 easy-to-use calculators for tasks such as tempo, pitch, timecode, and acoustic calculations. Download the app to access a range of useful tools to power your music and engineering work.

🎵 Music
(13)
17
ibOhm's Law - Calculator
ibOhm's Law - Calculator
ibOhm's Law - Calculator
Electric Power Finder
Free
🔧 Utilities
(0)
18
Simple Circuit Builder
Simple Circuit Builder
Simple Circuit Builder
Electrical Learning Tool
Free

This interactive electrical learning tool provides a virtual lab to learn about resistors and circuit resistance, allowing users to build and experiment with simple circuits, measure voltages and currents, and understand series and parallel resistors. With a user-friendly interface, it offers a hands-on experience to explore circuit behavior, making it easy to learn and understand electrical concepts.

🔧 Utilities
(28)
19
Electrician's Helper
Electrician's Helper
Electrician's Helper
by Sam Virgillo
$12.99

This application simplifies electrical installations by providing a range of calculators and lookup tools for tasks such as circuit calculations, conductor sizing, and code compliance. With it, users can quickly and easily perform complex calculations and find relevant information to ensure accurate and safe electrical installations, try it now.

📊 Productivity
(13)
20
Fault Current Calculator
Fault Current Calculator
Fault Current Calculator
by Cooper Bussmann, LLC
Free

This innovative tool helps contractors, engineers, electricians, and inspectors calculate available fault current on single and three-phase systems, size fuses and conductors, and create labels for service equipment. Try it out to easily determine fault current and ensure compliance with electrical safety standards.

🔧 Utilities
(23)

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