Resistor Colour Codes

Resistors with wire leads usually have their value marked as colour coded bands.

The chart below shows examples of 4, 5 & 6 band versions.

Be aware that the third digit is not used when reading the 4 band resistor.

[[Image:Resistor_colour_codes.gif]]

There are also interactive tables available on-line. Here's a couple:

Resistor Colour Code Table And Calculator Decodes 4 band colour codes.

Resistor Colour Code Calculator Shows the colour bands for a given value.

LED Series Resistors