Resistor Color Code Calculator Select colors from select box, click on calculate button and result will be displayed.

Enter Value:

Result:

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 Color bands are used to signify the resistance value with each color signifying a number and these color bands are closer to one end of the resistor than the other.
```
Black 0   Brown 1   Red    2   Orange 3   Yellow 4
Green 5   Blue  6   Violet 7   Gray   8   White  9
```

This holds true for the first 2 color bands.

The third color band is the multiplier of the first 2 bands where Black=1; Brown=10; Red=100; Orange=1,000 and so on.

The third band (the multiplier) is based on the number 10 raised to the power of the color code. For example, red in the third band is 10² or 100.

This third band (the multiplier) also has 2 new colors where gold = .1 and silver = .01.

The 4th band is the tolerance of the resistor. It shows how precisely the resistor was manufactured. Gold = 5% , silver = 10% and no band whatsoever = 20%.