resistor color code

Color Value Multiplier Tolerance
4-band resistor bands 1 & 2 band 3 band 4
5-band resistor bands 1, 2 & 3 band 4 band 5
black 0 × 1 ±20%
brown 1 × 10 ±1%
red 2 × 100 ±2%
orange 3 × 1,000 ±3%
yellow 4 × 10,000 − 0, + 100%
green 5 × 100,000 ±0.5%
blue 6 × 1,000,000 ±0.25%
violet 7 × 10,000,000 ±0.10%
gray 8 × 100,000,000 ±0.05%
white 9 × 1,000,000,000 ±10%
silver × 0.01 ±10%
gold × 0.1 ±5%
none ±20%
Four Band Calculator

Use the menus below to find 4-band resistor values interactively. Choose the colors with your mouse. As you look at the resistor, the band that is separated from the others should be to the right.


 Abbreviated value, as in parts lists:
 Value written out in full:

         

 

Five Band Calculator

Use the menus below to find 5-band resistor values interactively. Choose the colors with your mouse. As you look at the resistor, the band that is separated from the others should be to the right.

         
 Abbreviated value, as in parts lists:
 Value written out in full:

           

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