Resistor Color Code Calculator

Calculate resistor values instantly! Support for 4, 5 & 6 band resistors with real-time visual display. Easy color selection, tolerance & accuracy.

Resistor Color Code Calculator

Visual Representation

Calculated Values

Resistance

1.00 kΩ

Tolerance

±5%

How to use:

  • Select the number of color bands on your resistor (4, 5, or 6)
  • Choose the colors for each band from left to right
  • The calculator will display the resistance value and tolerance