Capacitor Energy Calculator

Calculate the energy stored in a capacitor (E = 0.5 * C * V²).

Configuration

Capacitance (C) (μF)

Voltage (V) (V)

Stored Energy

Overview

The energy stored in a capacitor is potential energy stored in the electric field created between the plates.

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Pro Tips

Fun Facts

"Defibrillators use large capacitors to release a massive burst of energy to restart a heart."
"Railguns use massive capacitor banks to accelerate projectiles to hypersonic speeds."
"A typical capacitor in a smartphone flash stores only a few Joules of energy."

Formula: E = ½ * C * V²

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