Best Resistor Color Band Calculator Apps

213+ iOS apps curated and reviewed

4.7 avg rating
15 free apps
Updated June 2026

Out of 213+ resistor color band calculator apps on iOS, 15 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 Resistor Color Band Calculator

Resistor Color Band Calculator#1

Resistor Color Band Calculator by Aryaman Sharda

Resistance + Tolerance + Temp
Editor's Choice
🔧 Utilities
4.6(22 ratings)
FreeIn-App Purchases
Resistor Color Band Calculator screenshot 1
Resistor Color Band Calculator screenshot 2
Resistor Color Band Calculator screenshot 3
Resistor Color Band Calculator screenshot 4
Resistor Color Band Calculator screenshot 5

This tool helps engineers, hobbyists, and students calculate the precise resistance, tolerance, and temperature coefficients of resistors by selecting color bands from an intuitive interface. With its comprehensive color band chart and user-friendly design, it streamlines resistance calculations, making it an essential asset for anyone working with resistors.

Resistor color code calc#2

Resistor color code calc by Seong Eon Kim

Resistor color code Calculator
Strong Contender
🔧 Utilities
5.0(5 ratings)
FreeAds
Resistor color code calc screenshot 1
Resistor color code calc screenshot 2
Resistor color code calc screenshot 3
Resistor color code calc screenshot 4
Resistor color code calc screenshot 5

This application helps determine the resistance value of resistors based on their colored bands, supporting 3, 4, 5, and 6 band resistors. Simply select the number of bands and click on the color chart to get the corresponding resistance value and tolerance, making it easy to configure your electronics.

More Resistor Color Band Calculator apps to explore

4
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)
5
Calculator·
Calculator·
Calculator·
Big Basic Calculator
Free

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!

🔧 Utilities
(33K)
6
SJ Resistor Calculator
SJ Resistor Calculator
SJ Resistor Calculator
Resistor calculations
Free
🔧 Utilities
(1)
7
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.

🔍 Reference
(27)
8
resistor code calculator+
resistor code calculator+
resistor code calculator+
by 佳 黄
Free
🔧 Utilities
(0)
9
Resistor Color Code Calc Lite
Resistor Color Code Calc Lite
Resistor Color Code Calc Lite
Resistor Color Code Calculator
$2.99
$6.99 | 57% OFF
🔧 Utilities
(0)
10
Color Calculator-smart&cute
Color Calculator-smart&cute
Color Calculator-smart&cute
Cute calculator app with theme
Free

A color calculator app that helps users find complementary color schemes for design projects. Simply input a base color and let the app generate harmonious color combinations for your projects. Try it now to elevate your design choices!

🔧 Utilities
(15K)
11
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.

💰 Finance
(23K)
12
Calculator!
Calculator!
Calculator!
by 7th Gear
$0.99

Calculator! is a versatile calculator app for iPad and iPhone with standard and scientific functions. Customize the look, take notes, view history, and perform complex calculations with ease. Perfect for math students and professionals.

🔧 Utilities
(4.2K)
13
Resistor Colors Calculator
Resistor Colors Calculator
Resistor Colors Calculator
Results for 4, 5 or 6 bands
$0.99
🔧 Utilities
(0)
14
Sci:Pro Calculator
Sci:Pro Calculator
Sci:Pro Calculator
by Jerry Montgomery
Free

A versatile calculator app with Basic, Scientific, and Programmer modes for iPhone, iPad, and iPod Touch. Easily view history and share results via email or copy. Get precise calculations on-the-go!

🔧 Utilities
(3.6K)
15
Resistor Plus
Resistor Plus
Resistor Plus
Resistor Calculator
$2.99

This resistor calculator app helps determine resistor values in ohms and their tolerance based on color-coded bands, making it easy to select and calculate resistor colors. Simply tap and select color values, and the result is displayed immediately, allowing you to copy or take a screenshot for future reference.

📚 Education
(0)
16
Calculator⁼
Calculator⁼
Calculator⁼
Fraction, Scientific Calc +
Free

A handy math assistant for solving basic and scientific calculations intuitively and quickly. Become a math master with this free app!

🔧 Utilities
(357K)
17
Resistor-Converter
Resistor-Converter
Resistor-Converter
Color Resistor, SMD Resistor
Free

This application allows users to easily convert resistor colors to resistance values and vice versa, supporting 4, 5, or 6 ring resistors, as well as SMD resistors. Simply select or enter the relevant information to get the calculated resistance value, try it now!

🔧 Utilities
(16)
18
GraphNCalc83
GraphNCalc83
GraphNCalc83
Graphing calculator
$12.99

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.

📚 Education
(3.8K)
19
Color Identifier: Color Picker
Color Identifier: Color Picker
Color Identifier: Color Picker
Color Detector & Name Finder
Free

An app that identifies colors by analyzing images from your device's camera or gallery. Simply point the camera at an object to find out its color. Try it now and explore the world in vibrant hues!

🎨 Graphics & Design
(1.7K)
20
Calculator with History Tape
Calculator with History Tape
Calculator with History Tape
No Ads Calculator with Memory
Free

Access a user-friendly calculator app with a built-in archive of your calculations for easy reference. Enjoy an ad-free experience with customizable features for seamless calculations. Try it now for straightforward and efficient math operations.

📊 Productivity
(3.2K)