Resistor Calculator

Decode resistor color codes and calculate series/parallel resistance.

Resistor Calculator

Band 1 (1st digit)

Band 2 (2nd digit)

Band 3 (Multiplier)

Band 4 (Tolerance)

Color Code Reference

black

0

brown

1

red

2

orange

3

yellow

4

green

5

blue

6

violet

7

gray

8

white

9

Resistance Value

Resistance1.00 kΩ

Tolerance±5%

Visual