Capacitance Calculator

Your details

Stored charge in coulombs. 1 µC = 0.000001 C.
C
V
Result
500 nF
Capacitance (farads)0.0000005F
Charge stored (Q)0.000006C
Energy stored (E)0.000036J
Capacitance (F)0.0000005
Energy (J)0.000036

The capacitance is 500 nF.

  • Capacitance, charge, and voltage are tied together by C = Q / V, fix any two and the third is determined.
  • At this voltage the capacitor stores about 0.000036 J of energy (E = ½·C·V²).
  • One farad is a very large unit: real capacitors are usually rated in microfarads (µF), nanofarads (nF), or picofarads (pF).

Next stepDoubling the voltage quadruples the stored energy, check that your capacitor voltage rating leaves headroom.

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