Uploaded November 2012 | Updated September 2026, 2 weeks ago

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A SIMPLE explanation of how to read and calculate a resistor color code. Understand how to read a resistor color code – including 5 band, 4 band, and 3 band resistor color codes. If you’re looking for a resistance color code chart and calculator, read out full article at: electrical4u.com/what-is-resistor

Resistor color coding can be hard to understand at first. But once you understand the resistor color code charts and formula – it’s easy to calculate the resistance of 3 band, 4 band, and 5 band resistor color code.

Check out our resistor color code calculator at: electrical4u.com/resistor-color-coding

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