Resistor Color Code Calculator

A handy App for reading resistor color code values

Are you having trouble reading resistor color codes? If your answer is yes, then this app is specifically designed for you! Our Resistor Color Code Calculator is a handy app for reading carbon-composition resistors whether it's a 4-band, 5-band or 6-band type.

To use this app, simply click on a particular color and number and watch how the actual bands on the resistor illustration change. The resistance value is displayed on the field below together with the tolerance and the temperature coefficient.