Calculateur de capacité électrique
Capacité à partir de la charge et de la tension, C = Q/V.
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Introduction
Capacitance Calculator — Capacitance from charge and voltage, C = Q/V. Enter Charge (C), Voltage (V) to get an instant, accurate result.
Formule
Capacitance is calculated as C = Q / V, where Q is the electric charge stored and V is the voltage across the capacitor.
Étape par étape
- Enter the Charge (C).
- Enter the Voltage (V).
- Click Calculate to see your result instantly.
Exemple concret
Example: With Charge (C) = 0.002, Voltage (V) = 5, the Capacitance Calculator gives Capacitance F: 0.0004.
Questions Fréquentes
What does capacitance measure?
Capacitance measures a component's ability to store electric charge per unit of voltage, measured in farads (F). One farad stores one coulomb of charge per volt.
What units does this calculator use?
Enter charge in coulombs (C) and voltage in volts (V) to get capacitance in farads (F). Because a farad is large, results are often expressed in microfarads (µF) or picofarads (pF).
What factors affect a capacitor's capacitance?
Physical capacitance depends on plate area, the distance between plates, and the dielectric material between them — this calculator instead derives capacitance from measured charge and voltage.
What inputs does the Capacitance Calculator need?
You'll need to provide: Charge (C), Voltage (V). All fields use sensible defaults, so you can see a working example immediately and then adjust the values to match your own numbers.
How accurate is the Capacitance Calculator?
The Capacitance Calculator applies the formula exactly as calculated — Capacitance is calculated as C = Q / V, where Q is the electric charge stored and V is the voltage across the capacitor. — so results are precise for the inputs you provide. Accuracy depends on entering correct, realistic input values.
Is the Capacitance Calculator free to use?
Yes, the Capacitance Calculator is completely free, requires no signup, and runs instantly in your browser.
À propos de Calculateur de capacité électrique
The Capacitance Calculator uses a real, verifiable formula — Capacitance is calculated as C = Q / V, where Q is the electric charge stored and V is the voltage across the capacitor. — so results are accurate every time, not an approximation.