Resistor Color Code Calculator
Decode 4-band resistor color codes to instantly find the resistance value and tolerance.
Last Updated: July 31, 2024
Resistor Color Code Calculator
Select the colors for a 4-band resistor to determine its value.
Resistance Value
10 kΩ ±5%
About the Resistor Color Code Calculator
The Resistor Color Code Calculator helps you figure out the value of a resistor by reading its colored bands. This is a key tool for anyone working with electronics. It lets you find a resistor's resistance value without needing to use a multimeter. This calculator is for common 4-band resistors.
How to Use the Calculator
- Hold the resistor with the gold or silver band (the tolerance band) on the right side. Read the colors from left to right.
- Select the color for each of the four bands from the dropdown menus.
The calculator will instantly show the resistor's value in Ohms (Ω) and its tolerance.
Frequently Asked Questions (FAQs)
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