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Capacitor Code Converter

Convert capacitor codes (3-digit markings) to farads, microfarads, nanofarads, and picofarads.
Enter a code or value for instant conversion.

Enter a 3-digit capacitor code or a value in any unit.

Capacitor codes use a 3-digit system similar to resistor color codes.

Reading the code:

  • First two digits = significant figures
  • Third digit = number of zeros (multiplier in picofarads)
  • Example: 104 = 10 + 0000 = 100,000 pF = 100 nF = 0.1 uF

Common capacitor codes:

Code pF nF uF
101 100 0.1 0.0001
102 1,000 1 0.001
103 10,000 10 0.01
104 100,000 100 0.1
105 1,000,000 1,000 1.0
220 22 0.022 0.000022
471 470 0.47 0.00047
472 4,700 4.7 0.0047
473 47,000 47 0.047

Unit conversions:

  • 1 F = 1,000,000 uF = 1,000,000,000 nF = 1,000,000,000,000 pF
  • 1 uF = 1,000 nF = 1,000,000 pF
  • 1 nF = 1,000 pF

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