Watts Formula

The following formula can be used to calculate the total power in watts of an appliance or system.

watts formula

Watts Definition

Watts is a unit for electrical power. It’s described as the amount of power consumed or made in terms of Joules per second.

Example Problem

The following is an example of calculating the watts or power consumption or production of a appliance or system.

  1. First, determine the total current being drawn by the system. This is typically measure in amps. For this example we will say this value is 25 amps.
  2. Next, determine the voltage. For this example we will assume this value to be 10 volts.
  3. Finally, multiply the values above as dictated by the equation to determine the watts. So, 25*10 = 250 watts.

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