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Resistor Color Code Calculator

Calculate resistance value from color bands or vice versa. Supports 4-band stand

📊 Result Chart

About Resistor Color Code Calculator

Resistor Color Code Calculator is a free online tool. Calculate resistance value from color bands or vice versa. Supports 4-band standard. Works on mobile and desktop, all calculations run locally in your browser for privacy.

Resistor Color Code Calculator in 3 steps

  1. Enter the first parameter
  2. Enter the second parameter
  3. Click "Calculate" to see the result

Is this tool accurate?

Results are computed with standard, industry-accepted formulas for Band 1 and Band 2 calculations.

Do I need to download anything?

No, it runs entirely in your browser. No downloads needed.