# Capacitor Energy (E) and RC Time Constant Calculator

Online capacitor energy (E) and RC time constant calculator to calculate the energy (E) and time constant (RC) in a capacitor for the given voltage across it. You can determine two different values from the capacitor energy and time constant calculator, **time constant (T)** can be determined from the values of capacitance (C) and load resistance (R) and **energy stored in a capacitor (E)** can be determined by giving all three inputs: voltage (V), capacitance and load resistance.

## Capacitor Energy and Time Constant Calculator

Online capacitor energy (E) and RC time constant calculator to calculate the energy (E) and time constant (RC) in a capacitor for the given voltage across it. You can determine two different values from the capacitor energy and time constant calculator, **time constant (T)** can be determined from the values of capacitance (C) and load resistance (R) and **energy stored in a capacitor (E)** can be determined by giving all three inputs: voltage (V), capacitance and load resistance.

Code to add this calci to your website

#### Formula:

E = (V² x C) / 2
T = R x C
** Where,**
E =Stored Energy (Joules),
T = Time Constant (S),
V = Volatge (V) ,
C = Capacitance (uF),
R = Load Resistance (Ohms).
### Example:

Calculate the stored energy and the time constant in the capacitor in which its voltage across capacitor be 50 V, capacitance of 25 μF, and load resistance be 15 ohms.

#### Solution:

E = (50² x 25) / 2

= 0.03125 Joules

T = 15 x 25

= 0.000375 seconds