ResistorGo
Fast resistor calculator
Instantly identify resistors with ResistorGo. This is a fast and practical tool for every engineer, student, and hobbyist.
Color Code Keyboard
An intuitive keypad for 3, 4, 5, and 6-band resistors.
SMD Resistor Calculator
Instantly decode 3-digit, 4-digit, and EIA-96 SMD resistors.
Reverse Color Calculator
Find the color code for any resistor value.
Reverse SMD Calculator
Quickly find all possible SMD codes for a given resistance.
Calculation History
Access your previous calculations in a flash.
Ad-Free Customization
Personalize your app and work without interruptions.