Calculate electric power using voltage, current, and resistance with this easy-to-use calculator
Electric power is the rate at which electrical energy is transferred by an electric circuit. The SI unit of power is the watt (W). It is a crucial concept in electrical engineering and is used to determine the energy consumption of electrical devices.
The formula to calculate electric power is P = V × I, where P is the power in watts, V is the voltage in volts, and I is the current in amperes. Alternatively, power can be calculated using the formula P = V² / R or P = I² × R, where R is the resistance in ohms.
Our Electric Power Calculator simplifies these calculations, allowing you to determine power, voltage, current, or resistance with ease. Simply input the known values, and the calculator will compute the unknown quantity.
| Parameter | Value |
|---|---|
| Voltage (V) | 12 V |
| Current (I) | 2 A |
| Power (P) | 24 W |