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Calculators » Miscellaneous » Resistor Color Code

Our online tools will provide quick answers to your calculation and conversion needs. On this page, you can calculate resistor color code or resistance color bands of 4-band resistors.

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A 4-band resistor has two significant digit bands, one multiplier band and a optional fourth band for tolerance from left to right. To distinguish left from right there is a gap between the third and fourth color bands. The full color code chart can be found here.

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