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Inductor Code Calculator - Value to Colours

This calculator converts inductor values to colour codes. Enter the inductance and multiplier, press 'calculate' and read the colours from the boxes below. The colours will be shown on the picture of the inductor. Note that these colour codes are for the normal specification - military specification components have a different code for the multiplier and tolerance. The colour code gives the inductance in Microhenrys.

Enter Inductance:     Select Tolerance:    

The Colour Code is:     

If you found this calulator useful you should try Electronics Assistant!

Electronics Assistant
  • All the online calculators and more in a stand-alone application
  • Converts Resistor & Inductor colour codes, calculates LED series resistors, capacitance units, series / parallel resistors & capacitors, frequency, reactance & more
  • Calculation of nearest preferred resistor values with a choice of 5 series from E12 to E192
  • Print & save calculation results