Resistor Color Code Calculator

Identify resistor values by selecting color bands.

Resistance: 1 kΩ
Tolerance: ± 5%

Instructions

How to Use:

  • Select 4 Bands or 5 Bands mode.
  • Click the colors in the grid to match your resistor's bands.
  • The Resistance and Tolerance will update automatically.
  • The visual preview helps you confirm your selection.

Tip: The gold or silver band is usually the tolerance band at the end.