Resistor Color Code Calculator

Instantly calculate resistor values or decode color bands. Supports 4, 5, and 6 band resistors with tolerance and PPM.

4 Band 5 Band 6 Band
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How to Use

  • Select resistor band type
  • Choose colors or enter resistance
  • Get instant resistance value

Resistor Band Explanation

4 Band: Digits + multiplier + tolerance

5 Band: 3 digits + multiplier + tolerance

6 Band: Adds temperature coefficient (PPM)

Color Code Chart

Color Digit Multiplier Tolerance
Black 0 x1 -
Brown 1 x10 ±1%
Red 2 x100 ±2%
Orange 3 x1k -
Yellow 4 x10k -
Green 5 x100k ±0.5%
Blue 6 x1M ±0.25%
Violet 7 x10M ±0.1%
Gold - x0.1 ±5%
Silver - x0.01 ±10%

FAQs

What is resistor color code?
It represents resistance using colored bands.

What is tolerance?
Variation from actual value.

What is PPM?
Temperature coefficient.

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