Physics
Capacitance Calculator
Capacitance from charge and voltage: C = Q/V.
Free to use — no sign-up or login.
C (F)
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This free Capacitance Calculator covers Capacitance from charge and voltage: C = Q/V.
Capacitance relates stored charge to voltage. Related physics tools sit beside How it works, with no account required.
Using the Capacitance Calculator
Capacitance from charge and voltage: C = Q/V. Typical inputs are Charge Q (C) and Voltage V. How it works beside the form states the identity the Capacitance Calculator applies.
FAQ
How do I use the Capacitance Calculator?
Open the Capacitance Calculator, fill Charge Q (C) and Voltage V, and read the result. Enter Charge Q (C) and Voltage V for the Capacitance Calculator; use finite values in the indicated domain. The calculator reports C (F): Capacitance relates stored charge to voltage. Voltage must be nonzero when deriving capacitance from charge.
What formula does the Capacitance Calculator use?
The Capacitance Calculator uses the identity in How it works. In words: Enter Charge Q (C) and Voltage V for the Capacitance Calculator; use finite values in the indicated domain. The calculator reports C (F): Capacitance relates stored charge to voltage. Voltage must be nonzero when deriving capacitance from charge.