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Electrical & Electronics

Resistor Color Code Calculator

Decode 4-band and 5-band resistor color codes to find resistance values. Visual color band selector.

Decode Resistor Bands

Select band colors to find the resistance value, or enter a value to find the color code.

Color Code Reference

ColorValueMultiplierTolerance
⬛ Black0Ɨ1—
🟫 Brown1Ɨ10±1%
🟄 Red2Ɨ100±2%
🟧 Orange3Ɨ1K—
🟨 Yellow4Ɨ10K—
🟩 Green5Ɨ100K±0.5%
🟦 Blue6Ɨ1M±0.25%
🟪 Violet7—±0.1%
Gold—×0.1±5%
Silver—×0.01±10%

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