๐ Capacitor Charge & Energy Calculator
Charge1.2 mC
Energy7.2 mJ
Enter a capacitorโs capacitance and voltage to calculate the electric charge it stores (Q=CV) and the energy stored in its electric field (E=ยฝCVยฒ).
How to use
- Enter the capacitance value and select its unit (pF, nF, ยตF, mF, F).
- Enter the voltage (V).
- The charge and energy are calculated automatically.
FAQ
What formulas does this use?
It uses the fundamental capacitor formulas: charge Q = C ร V, and stored energy E = ยฝ ร C ร Vยฒ.
How is the unit of the result chosen?
Results are based on coulombs (C) for charge and joules (J) for energy, with the n (nano), ยต (micro), or m (milli) prefix chosen automatically based on the magnitude of the value.
Which capacitance unit should I choose?
Common electrolytic capacitors are usually rated in ยตF (microfarads), while ceramic capacitors are often in the pF to nF range. Match the unit to whatโs printed on your component.