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Technical Resource
Conversion Calculators
Resistor Color Code Calculator
Conversion Calculations
Volume Calculator
Pressure Calculator
Length Calculator
Power Calculator
Weight Calculator
Temperature Calculator
Time Constant
LED Series Resistor
Battery Life Calculator
Resistor Color Code Calculator
Calculate resistor-capacitor (RC) time constant of a resistor-capacitor circuit by entering the voltage, capacitance, and load resistance values.
Resistor Color Code Calculators
Use this resistor color code calculator to determine the resistance and tolerance values of through-hole resistors accurately and efficiently.
1st Band
Strip 1
Black
Brown
Red
Orange
Yellow
Green
Blue
Violet
Gray
White
2nd Band
Strip 2
Black
Brown
Red
Orange
Yellow
Green
Blue
Violet
Gray
White
Multiple
Strip 3
Black
Brown
Red
Orange
Yellow
Green
Blue
Violet
Gold
Silver
Tolerance
Tolerance
None
Silver
Gold
Brown
Red
Green
Blue
Violet