Resistor Color Code Calculator

Decode 4-band & 5-band resistor color codes instantly. Quick & easy to use.

Decode the value of any resistor in seconds by selecting its color bands.

Whether you work with Arduino, Raspberry Pi, breadboard projects, or repair electronics, this app gives you a fast and reliable way to read resistor color codes - no calculation, no lookup tables, no guesswork.

Perfect for makers, hobbyists, electronics engineers, technicians, and students learning electronics for the first time.

Key Features

- Supports 4-band and 5-band resistors

- Tap the color rings to instantly see the resistance value in ohms

- Includes tolerance values

- Clean, distraction-free interface

- Works completely offline

- Based on the industry-standard EIA color code

Whether you're building a circuit, debugging a project, or studying for an exam, the Resistor Color Code Calculator makes reading resistor values effortless.

Download now and keep a complete color code reference in your pocket.