Enter the input voltage (volts), the current (amps), and the power factor of the system into the calculator to determine the Single Phase Power.

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## Single Phase Power Formula

The following formula is used to calculate the Single Phase Power.

P-1 = V*A*PF

- Where P-1 is the Single Phase Power (watts)
- V is the input voltage (volts)
- A is the current (amps)
- PF is the power factor of the system

To calculate the single phase power, multiply the voltage by the current, then by the power factor.

## How to Calculate Single Phase Power?

The following example problems outline how to calculate Single Phase Power.

**Example Problem #1**

- First, determine the input voltage (volts). In this example, the input voltage (volts) is determined to be 16 .
- Next, determine the current (amps). For this problem, the current (amps) is measured to be 75 .
- Next, determine the power factor of the system. In this case, the power factor of the system is found to be 4.
- Finally, calculate the Single Phase Power using the formula above:

P-1 = V*A*PF

Inserting the values from above and solving yields:

P-1 = 16*75*4 = 4800 (watts)

**Example Problem #2**

Using the same method as above, determine the variables required by the formula. For this example problem, these are:

input voltage (volts) = 98

current (amps) = 73

power factor of the system = 5

Enter these given values into the calculator or above yields:

P-1 = 98*73*5 = 35,770** **(watts)