200+ iOS apps curated and reviewed
Out of 200+ smd resistor calculator apps on iOS, 18 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
Quickly calculate resistor values from color bands or SMD codes, and vice versa. This tool is ideal for electronics enthusiasts, students, and DIYers working with 4, 5, or 6-band resistors and various SMD codes. It functions offline and requires no registration.
Easily determine the resistance value of electronic components using their color bands. This reference tool supports both 4 and 5-band resistors, making it ideal for makers, engineers, and students working with electronics projects.
This app offers both basic and scientific calculation modes with over 30 scientific operations. It allows for customization of the app's appearance and includes features for note-taking, drawing, and viewing calculation history. It supports high accuracy calculations and nested parentheses.
Easily determine the resistance value of electronic components. Simply select the number of color bands on your resistor and input the colors one by one to instantly get the resistance and tolerance. This tool simplifies a common electronics task.
This app is a powerful scientific calculator with graphing capabilities, a formula library, and a unit converter. It offers natural display input, advanced math functions for algebra, calculus, and statistics, and supports various number bases and formats.
This utility helps you determine the resistance value of resistors by interpreting their colored bands. It supports 3, 4, 5, and 6 band resistors, visually displaying your selections and the calculated resistance and tolerance.
This app offers a versatile calculator with three distinct modes: Basic, Scientific, and Programmer. It provides a history view, sharing capabilities, and supports various input and output formats. The app is designed for iPhone, iPad, and iPod Touch.
This advanced calculator app offers a powerful math core and algebra engine for basic to complex calculations. It includes features like step-by-step solutions, handwriting recognition, and 2D graphing, making it suitable for students, engineers, and programmers.
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.
This app calculates the correct fusion pressure for HDPE and Polypropylene pipe jobs. It simplifies the process by selecting your fusion machine and entering pipe details to determine the recommended theoretical gauge pressure.
This app functions as a scientific calculator, enabling users to input and edit complex formulas with ease. It supports formula history, variable memory, and various number system conversions for accurate calculations.
This app calculates electrical parameters based on Ohm's and power laws. Input any two values (voltage, current, resistance, or power) and the app will automatically compute the remaining two. It allows for continuous "what-if" scenarios by locking one parameter and recalculating others.
This app offers a clean and intuitive interface for both basic arithmetic and advanced scientific calculations. It includes a history tape to review past computations and supports various mathematical operations, making it suitable for everyday use and complex problem-solving.
A powerful construction calculator designed for tradespeople. It offers a wide range of tools for estimating, layout, framing, and jobsite calculations, helping to save time and improve accuracy. Supports both imperial and metric units.
Instantly calculate resistor resistance values from color codes (3-6 bands). Includes Ohm's Law and Watt's Law calculators for voltage, current, and power. Ideal for electronics enthusiasts and professionals.
Instantly decode resistor color bands, calculate exact values, and convert SMD resistor markings. This app provides essential tools for electronics students, technicians, and hobbyists with a clean interface and fast processing.