Resistor Code Calculator
RESISTOR COLOR CODE CALCULATOR Resistor Color Code Calculator BAND ONE BLACK BROWN RED ORANGE YELLOW GREEN BLUE VIOLET GRAY WHITE BAND TWO BLACK BROWN RED ORANGE YELLOW GREEN BLUE VIOLET GRAY WHITE BAND THREE BLACK BROWN RED ORANGE YELLOW GREEN BLUE VIOLET GOLD SILVER TOLERANCE NONE SILVER GOLD WHITE BLACK Resistors are measured in ohms. Color "bands" are used to specify each band. There are three bands and sometimes four. The fourth band is the tolerance (Gold or Silver) if there is no band the tolerance is 20%. The first three bands are colored: Black = 0 Brown = 1 Red = 2 Orange = 3 Yellow = 4 Green = 5 Blue = 6 Violet = 7 Gray = 8 White = 9 The fourth band (if any) is colored: Gold = 5%, ...