Online Color Coded Resistor Calculator

Note: With a 4-band resistor, the 4th band is the tolerance, so set it to silver or gold. With a 5 or 6-band resistor, the 4th band is the multiplier, so set to one of the colors below silver and gold.

It would be extremely time consuming to thoroughly test this application with every possible resistor color code. So, I make no claims as to its accuracy and take no responsibility for its use. Use it at your own risk. Before using this calculator, read My Web Site User Agreement.

If you find an error, I thank you to contact me using the Contact Form on this website.

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