Capacitor Energy Calculator

Enter the capacity (C) and the Voltage (V) of a capacitor to calculate the energy (E) and charge (Q) stored in that capacitor. A capacitor is an electronic instrument usd to store an electrical charge.

  • Capacitance Calculator
  • Electric Field Calculator

Capacitor Energy Formula

The following equation is used to calculate the total store energy in a capacitor.

E = 1/2 * C * V²

  • Where E is the energy
  • C is the capacitance
  • and V is the voltage.

This calculator also determines the charge of the capacitor, which is typically calculated through the following formula:

Q = C*V

  • Where Q is the charge
  • C is the capacitance
  • V is the voltage

The units this calculator uses are Farads (F) for capacity, volts (V) for voltage, coulumbs (C) for charge, and Joules (J) for Energy. It’s important that the units entered in the calculate above match these, otherwise the resulting calculation will be incorrect.

Another aspect of calculating the energy stored in a capacitor is the type of capacitor. This could be either parallel plate, or spherical capacitors. In each case however, these plates carry charged particles which are made up of a certain amount of energy. This energy in turn creates an electric field, which is a type of potential energy.

Capacitor Energy Calculator
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