Enter the source voltage (volts), the number of primary windings, and the number of secondary windings into the calculator to determine the Transformer Voltage.

## Transformer Voltage Formula

The following formula is used to calculate the Transformer Voltage.

Vt = Vs * (P/S)

• Where Vt is the Transformer Voltage (volts)
• Vs is the source voltage (volts)
• P is the number of primary windings
• S is the number of secondary windings

## How to Calculate Transformer Voltage?

The following example problems outline how to calculate the Transformer Voltage.

Example Problem #1

1. First, determine the source voltage (volts). In this example, the source voltage (volts) is determined to be 60 .
2. Next, determine the number of primary windings. For this problem, the number of primary windings is measured to be 10 .
3. Next, determine the number of secondary windings. In this case, the number of secondary windings is found to be 5.
4. Finally, calculate the Transformer Voltage using the formula above:

Vt = Vs * (P/S)

Inserting the values from above into the equation gives:

Vt = 60 * (10/5) = 120 (volts)

Example Problem #2

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

source voltage (volts) = 100

number of primary windings = 20

number of secondary windings = 2

Entering these given values into the calculator above yields:

Vt = 100 * (20/2) = 1000 (volts)