Capacitor Calculator

Free calculate capacitor charge, energy storage, time constant, and discharge characteristics for dc and rc circuits.

Input Parameters

For time constant calculation

Results

Enter parameters to calculate capacitor properties

Capacitor Formulas

Charge

Q = C × V

Where Q is charge, C is capacitance, V is voltage

Energy

E = ½ × C × V²

Energy stored in capacitor

Time Constant

τ = R × C

RC time constant

Related Physics Calculators

Explore more calculators in this category:

Browse all Physics Calculators →