Resistor Color Code Calculator

Decode the resistance value from 4-band, 5-band, or 6-band resistor color codes.

Band Type

Band 1 (1st Digit)

Band 2 (2nd Digit)

Band 3 (3rd Digit)

Multiplier Band

Tolerance Band

Temperature Coefficient

Resistance Value

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Tolerance

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Temperature Coefficient

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Resistance Range

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How It Works

Resistor color codes follow a standard where each color represents a digit (0-9) or multiplier (10^n). 4-band: digit-digit-multiplier-tolerance. 5-band: digit-digit-digit-multiplier-tolerance. 6-band adds temperature coefficient.

About this Calculator

The Resistor Color Code Calculator is a free, easy-to-use tool for color code, band, ohm. Simply enter your values and get instant, accurate results — no signup, no ads, no tracking. All calculations run locally in your browser, so your data stays completely private.

Privacy Note: All calculations are performed locally in your browser. No data is ever sent to a server or third party.