Online Resistor Color Code Calculator

Calculate Resistor Values from Color Codes (using four color rings).
The first and second rings mean the first and second digits, third ring is the decimal multiplier, the fourth ring indicates tolerance.

First Band	Second Band	Third Band	Fourth Band
Black 0	Black 0	Black 1
Brown 1	Brown 1	Brown 10	Brown 1%
Red 2	Red 2	Red 100	Red 2%
Orange 3	Orange 3	Orange 1 Kilohm	No Color 20%
Yellow 4	Yellow 4	Yellow 10 Kilohms
Green 5	Green 5	Green 100 Kilohms	Green 0.5%
Blue 6	Blue 6	Blue 1 Megohm	Blue 0.25%
Violet 7	Violet 7	Violet 10 Megohms	Violet 0.1%
Gray 8	Gray 8	Gray 100 Megohms	Gray 0.05%
White 9	White 9	White 1 Gigaohm
		Gold 0,1	Gold 5%
		Silver 0,01	Silver 10%

 

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