Resistor Color Code Calculator

Decode resistor values instantly with our visual color code calculator. Perfect for electronics enthusiasts, students, and professionals.

Resistor Color Code Calculator

Color Code Reference

Color Values

Black
Value: 0
Brown
Value: 1
Red
Value: 2
Orange
Value: 3
Yellow
Value: 4
Green
Value: 5
Blue
Value: 6
Violet
Value: 7
Gray
Value: 8
White
Value: 9
Gold
Value: N/A
Silver
Value: N/A

How to Read

1

4-Band Resistors

1st & 2nd bands = value, 3rd = multiplier, 4th = tolerance

2

5-Band Resistors

1st, 2nd & 3rd bands = value, 4th = multiplier, 5th = tolerance

3

Multiplier Examples

Black = ×1, Brown = ×10, Red = ×100, etc.

4

Tolerance Values

Gold = ±5%, Silver = ±10%, Brown = ±1%, Red = ±2%