Firearm Power Factor Calculator

Calculate Power Factor



Formula

To calculate the power factor (PF):

\[ \text{PF} = \frac{\text{W} \times \text{V}}{1000} \]

Where:

What is Power Factor?

The power factor is a measure of the momentum of a bullet, calculated by multiplying the bullet weight by its velocity and then dividing by 1000. It is commonly used in shooting sports to ensure fair competition by standardizing the impact energy of different ammunition.

Example Calculation 1

Let's assume the following values:

Using the formula:

\[ \text{PF} = \frac{200 \times 900}{1000} = 180 \]

The Power Factor is 180 gr-fps.

Example Calculation 2

Let's assume the following values:

Using the formula:

\[ \text{PF} = \frac{150 \times 1200}{1000} = 180 \]

The Power Factor is 180 gr-fps.