Resistor Color Code – Calculator (PRO) 1.1 Apk for Android

The description of Resistor Color Code - Calculator

The application is an easy-to-use color code calculator designed for calculating the resistance of a resistor. It supports color codes for 3, 4, 5, and 6-band resistors.

What is a Resistor?

A resistor is a fundamental component used in electrical circuits to limit the flow of current. The resistance of a resistor is measured in Ohms (Ω). According to Ohm's Law, when a current (I) of one Ampere passes through a resistor with a voltage drop (U) of one Volt, the resistance (R) is equal to one Ohm. This relationship can be expressed as:

R = U ÷ I

Understanding Color Codes

The color codes on a resistor indicate its resistance, tolerance, and/or temperature coefficient. Resistors can have variations with 3, 4, 5, or 6 color bands. Below is a breakdown of the meaning of each band for different types of resistors:

3-Band Resistor

1. The first band represents the first digit of the resistance value.


2. The second band represents the second digit of the resistance value.


3. The third band represents the multiplication factor of the resistance value.

4-Band Resistor

1. The first band represents the first digit of the resistance value.


2. The second band represents the second digit of the resistance value.


3. The third band represents the multiplication factor of the resistance value.


4. The fourth band indicates the tolerance in percentage of the resistance value.

5-Band Resistor

1. The first band represents the first digit of the resistance value.


2. The second band represents the second digit of the resistance value.


3. The third band represents the third digit of the resistance value.


4. The fourth band represents the multiplication factor of the resistance value.


5. The fifth band indicates the tolerance in percentage of the resistance value.

6-Band Resistor

1. The first band represents the first digit of the resistance value.


2. The second band represents the second digit of the resistance value.


3. The third band represents the third digit of the resistance value.


4. The fourth band represents the multiplication factor of the resistance value.


5. The fifth band indicates the tolerance in percentage of the resistance value.


6. The sixth band represents the temperature coefficient of the resistance value.

Color Chart

In total, there are 12 different colors used in resistor color coding:

The resistance of a resistor is determined by the colors of its bands, making the understanding of these codes essential for anyone working with electronic components.

What's news

Small bug fixes.

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