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Resistor Calculator
💡 Resistor Calculator
Determine resistor values from color bands or resistance codes.
Band 1
Black
Brown
Red
Orange
Yellow
Green
Blue
Violet
Gray
White
Band 2
Black
Brown
Red
Orange
Yellow
Green
Blue
Violet
Gray
White
Multiplier
Black x1
Brown x10
Red x100
Orange x1k
Yellow x10k
Green x100k
Blue x1M
Gold x0.1
Silver x0.01
Tolerance
Brown ±1%
Red ±2%
Gold ±5%
Silver ±10%
Calculate Resistor Value
📊 Resistor Value
Resistance:
Ω
Tolerance:
%