Best The Ohms Law Calculator Apps

200+ iOS apps curated and reviewed

4.5 avg rating
13 free apps
Updated June 2026

Looking for free the ohms law calculator apps? 13 of our 200+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for The Ohms Law Calculator

Calculator·#2

Calculator· by Tim O's Studios, LLC

Big Basic Calculator
Strong Contender
🔧 Utilities
4.9😊(33K ratings)
FreeAdsIn-App Purchases
Calculator· screenshot 1
Calculator· screenshot 2
Calculator· screenshot 3
Calculator· screenshot 4
Calculator· screenshot 5

A simple and intuitive calculator app with essential functions like addition, subtraction, multiplication, and more. Customize with multiple color schemes, copy results easily, and use additional functions on iPad. Experience the perfect balance of features and simplicity today!

What We Love

  • 👍 Simple and easy to use
  • 🚀 Quick and responsive
  • 💡 Percentage function works well
  • 👍 Large, clear buttons

Room to Improve

  • 🔋 Frequent ads can be distracting
  • 🐛 Occasional crashes or freezes
  • 🔒 Lack of customization options

More The Ohms Law Calculator apps to explore

4
Calculator with History +
Calculator with History +
Calculator with History +
No ads & Scientific calculator
Free

A calculator app with a built-in history feature that keeps track of your calculations without any ads. Calculate effortlessly and access your past computations instantly.

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5
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.

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6
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.

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7
The Ohms Law Calc
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8
Ohm's Law Calculator
Ohm's Law Calculator
Ohm's Law Calculator
Power, Volts, Amps, Ohm : Calc
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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.

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9
ibOhm's Law - Calculator
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10
Desmos Scientific Calculator
Desmos Scientific Calculator
Desmos Scientific Calculator
by Desmos, Inc.
Free

Explore a powerful scientific calculator with functions beyond basic arithmetic - trigonometry, statistics, and combinatorics. Create and evaluate custom functions, work offline, view multiple expressions at once, and enjoy a seamless user experience - all for free.

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11
Calculator - Simple & Basic
Calculator - Simple & Basic
Calculator - Simple & Basic
by The App Tower Inc.
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Access a user-friendly calculator offering more than 80 customizable themes. Crunch numbers effortlessly with style.

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12
Graphing Calculator X84
Graphing Calculator X84
Graphing Calculator X84
Designed for use with Ti-84
Free

A powerful graphing calculator app designed for all users, offering both basic and advanced mathematical functions with a user-friendly interface. Equipped with a robust math core and support features for engineers and math students. Explore built-in documents and tutorials for a comprehensive mathematical experience.

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13
Ugly's Electrical References
Ugly's Electrical References
Ugly's Electrical References
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$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.

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14
Ohmulator
Ohmulator
Ohmulator
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$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.

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15
GraphNCalc83
GraphNCalc83
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Graphing calculator
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The app is a comprehensive graphing calculator that features algebraic entry, math functions, graph plotting, statistics, matrix operations, unit conversion, BASIC programming, chemistry tools, geometry calculations, finance functions, and a built-in user guide for easy reference. It offers a colorful, fast, and fluid experience on iPhone and iPad with advanced features like touch input, high-resolution graph outputs, and fast computation speeds. Explore its diverse functionality to enhance your mathematical tasks.

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17
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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.

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19
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.

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20
Resistor Code Calculator
Resistor Code Calculator
Resistor Code Calculator
by Vivid Planet Software
Free

This handy reference app calculates resistor color codes, supporting 4 and 5-band resistors, and is useful for makers, engineers, students, and electronics enthusiasts. Download the app to easily identify resistance values using the industry standard color-code.

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