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Charts Color Value Multiplier Tolerance

Black 0 1

Brown 1 10 ±1 %

Red 2 100 ±2 %
Series Resistance Math:
    RT = R1 + R2 + R3
Parallel Resistance Math:
    1/RT = 1/R1 + 1/R2 + 1/R3

Orange 3 1,000 ±3 %

Yellow 4 10,000 ±4 %

Green 5 100,000

Blue 6 1,000,000

Violet 7 10,000,000

Grey 8 100,000,000

White 9


Gold
0.1

Silver
0.01 ±10 %
none


±20 %
P = Power (Watts)     I = Current (Amperes)    R = Resistance (Ohms)
E = Voltage (Volts)    Z = Impedance (Ohms) ( For AC circuits, substitute Z for R )