Capacitor Energy Calculator
Find energy, charge, and required capacitance.
CALCULATE
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Formulas
E = ½ × C × V²Energy in Joules
Q = C × VCharge in Coulombs
Capacitor Energy
Doubling voltage quadruples energy. A 1000μF cap at 50V stores 1.25J. A supercapacitor (1F, 2.7V) stores 3.65J. A AA battery stores ~10,000J.
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