Tools Category

Resistor Color Code Calculator

This resistor color code calculator is used to calculate resistance values and tolerances for 4, 5, and 6 band resistors. Select the number of band and colors to determine the value and tolerance of the resistors.

Output

Resistance :

Tolerance :

Number of Bands

Resistor Parameters

1st Band of Color

Select a Color

Black0
Brown1
Red2
Orange3
Yellow4
Green5
Blue6
Violet7
Grey8
White9

2nd Band of Color

Select a Color

Black0
Brown1
Red2
Orange3
Yellow4
Green5
Blue6
Violet7
Grey8
White9

3rd Band of Color Multiplier

Select a Color

Black×1 Ω
Brown×10 Ω
Red×100 Ω
Orange×1 kΩ
Yellow×10 kΩ
Green×100 kΩ
Blue×1 MΩ
Violet×10 MΩ
Grey×100 MΩ
White×1 GΩ
Gold×0.1 Ω
Silver×0.01 Ω

Tolerance

Select a Color

Brown± 1%
Red± 2%
Green± 0.5%
Blue± 0.25%
Violet± 0.1%
Grey± 0.05%
Gold± 5%
Silver± 10%

PPM