Resistor Calculator

Resistor Color Code & Value Calculator (3/4/5‑band)

Color Bands ➜ Numerical Value

Band count:

3-band 4-band 5-band

Band 1 (1st digit)

Band 2 (2nd digit)

Multiplier

Tolerance

Numerical Value ➜ Color Bands

Resistance

Enter the numeric resistance. Units optional.

Band count:

3-band 4-band 5-band

Tolerance