Capacitor Energy Calculator
Free calculate energy stored in capacitors from capacitance and voltage using e = ½cv². Get instant, accurate results with our easy-to-use calculator.
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Results
Enter parameters to calculate stored energy
Capacitor Energy Formula
Energy Stored
E = ½ × C × V²
Where C is capacitance, V is voltage
Key Points
- • Energy proportional to voltage squared
- • Energy proportional to capacitance
- • Measured in Joules
- • Can be discharged quickly