Capacitor Energy Calculator

Calculate energy stored in capacitors, charge, and discharge time for power supply and energy storage applications.

Capacitance value.
μF
Voltage across the capacitor.
V
Resistance of discharge path (for time calculation).
Ω

Results

Stored Energy-J
Stored Charge-mC
Discharge Time Constant-ms
Safe Discharge Time (5τ)-seconds
Peak Discharge Current-A
References: IEEE Std 18 — Shunt Capacitors; Hayt — Circuit Analysis