Go back Resistor value calculator Given the colors of a resistor, this page calculates the value and the tolerance. First band: 0 (black) 1 (brown) 2 (red) 3 (orange) 4 (yellow) 5 (green) 6 (blue) 7 (violet) 8 (gray) 9 (white) Second band: 0 1 2 3 4 5 6 7 8 9 Multiplier: x1 x10 x100 x1k x10k x100k x1m x10m x100m x1000m Tolerance: 5% (gold) 10% (silver) 20% (black - empty) R: Tolerance: Comments Please enable JavaScript to view the comments powered by Disqus. comments powered by Disqus
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