Resistor Plus

Resistor Color Code Calculator helps you determine resistor values in ohms and their tolerance based on color-coded bands.

Follow these steps:
- Tap and select resistor color values from the color codes: black, brown, red, orange, yellow, green, blue, violet, gray, and white.
- Select the resistor band.
- Tap the resistor band and choose the color value.
- The result is displayed immediately after setting the color value.
- The result can be copied.
- Take a screenshot of the resistor for future reference.

Resistor Parameters:
Band Digit
Black - 0
Brown - 1
Red - 2
Orange - 3
Yellow - 4
Green - 5
Blue - 6
Violet - 7
Grey - 8
White - 9

Band Multiplier
Black × 1 Ω
Brown × 10 Ω
Red × 100 Ω
Orange × 1 kΩ
Yellow × 10 kΩ
Green × 100 kΩ
Blue × 1 MΩ
Violet × 10 MΩ
Gold × 0.1 Ω
Silver × 0.01 Ω

Band Tolerance
Brown - 1%
Red - 2%
Gold - 5%
Silver - 10%

A resistor is a passive two-terminal electrical component that implements electrical resistance as a circuit element. In electronic circuits, resistors are used to reduce current flow, adjust signal levels, divide voltages, bias active elements, and terminate transmission lines, among other uses. A resistor opposes the flow of electrical current; the higher the value of the resistor, the more it opposes the current flow. Values are given in ohms.

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