Inductor Color Code Calculator

Calculate inductance values from color-coded bands

4-Band Inductor Format (Most Common):

• Band 1: First significant digit

• Band 2: Second significant digit

• Band 3: Multiplier (power of 10)

• Band 4: Tolerance

• Formula: (Band1 × 10 + Band2) × 10^Band3 = Inductance in μH

Select Band Colors

Common Values: