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

## 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.

- 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.
- Next, determine the voltage. For this example we will assume this value to be 10 volts.
- Finally, multiply the values above as dictated by the equation to determine the watts. So, 25*10 = 250 watts.

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