Capacitor Stored Energy
Energy stored in an ideal capacitor grows with the square of voltage.
Capacitor Stored Energy
Capacitors · 2 inputs
How to use this calculator
- Enter capacitance in µF.
- Enter voltage in V.
- Select Calculate and keep the output unit with the answer.
Before you use the answer
Check the component connections and unit prefixes before copying a result into a circuit notebook. These tools describe ideal, introductory circuits. They do not replace datasheets, thermal checks, isolation requirements or qualified design work, and they are not intended for mains installation decisions.
Stored charge can remain after power is removed. This calculation does not describe safe handling.
Does it save my inputs?
No calculation history is stored by this website. The calculator works locally in your browser. See the privacy policy for hosting and contact details.
Why might a result be approximate?
Measurement uncertainty, ideal-model assumptions and floating-point rounding can all matter. Displaying more digits does not improve the original measurement.
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