OhMyCalc

Capacitance Calculator

Calculate capacitance using C = Q/V. Enter charge and voltage to find capacitance and stored energy.

How to Use the Capacitance Calculator

  1. Enter the stored charge in coulombs.
  2. Enter the voltage across the capacitor in volts.
  3. Click Calculate to see capacitance and stored energy.

Schnellreferenz

VonNach
1 C at 1 V1 F
0.001 C at 5 V200 μF
Typical electrolytic1–10,000 μF
Typical ceramic1 pF – 100 μF
Supercapacitor1–3,000 F

Anwendungsfälle

Formel

C = Q / V, where C is capacitance (F), Q is charge (C), and V is voltage (V). Energy = ½QV.

Häufig gestellte Fragen

What is capacitance?
Capacitance measures a component's ability to store electric charge. It is the ratio of charge to voltage, measured in farads.
What is a farad?
One farad is extremely large; most practical capacitors are measured in microfarads (μF), nanofarads (nF), or picofarads (pF).
Is this calculator free?
Yes, all OhMyCalc calculators are completely free.