Resistor color code

Read 4-band and 5-band resistors — colors to ohms and tolerance.

Bands

Decoded in this browser. Nothing is sent anywhere.

Reads standard 4/5-band codes only — 6-band temperature coefficients and non-standard markings are not covered. Color identification on a faded resistor is on you.

How to use

  1. Choose the band count.
  2. Pick each band's color.
  3. Read the resistance and tolerance.

What it supports

Standard 4/5-band codes only — 6-band temperature coefficients and non-standard markings are not covered.

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