Resistor Color Code Calculator

This calculator helps you determine the resistance value of a resistor based on its color bands. It supports 4-band, 5-band, and 6-band resistors.

Resistor Color Code Chart

Color Value Multiplier Tolerance Temp. Coeff.

Frequently Asked Questions

How to read resistor color codes?

For a 4-band resistor, the first two bands represent the significant digits, the third is the multiplier, and the fourth is the tolerance. For 5 and 6-band resistors, the first three bands are significant digits.