# Average Power Calculator

## About Average Power Calculator (Formula)

The Average Power formula is used to calculate the amount of power being used in an electrical circuit. It is represented by the letter “P” and is measured in watts (W).

The formula is P = Irms^2 * R

where P is the average power, Irms is the root mean square current in amperes (A), and R is the resistance in ohms (Ω).

The root means the square current is the equivalent of the direct current that would produce the same heating effect as the alternating current in the circuit.

The resistance is the opposition to the flow of current in the circuit.

The formula is used by engineers and technicians in the electrical industry to determine the power consumption of a device or circuit.

It is also used to verify that the power consumption of a device is within its rated capacity.

Knowing the average power consumption of a device can help identify potential issues, such as power supply failures or overloading, that can cause damage or reduce the efficiency of the device.