Enter the total muzzle energy and the mass of the bullet into the calculator to determine the muzzle velocity.

Muzzle Velocity Formula

The following equation is used to calculate the .

V = SQRT (2*KE/(M/7000))

  • Where V is the muzzle velocity (ft/s)
  • KE is the muzzle energy (lbf-foot)
  • M is the mass of the bullet (grains)

What is a Muzzle Velocity?


A muzzle velocity is a measure of the total speed of the muzzle after the firing of a bullet.

How to Calculate Muzzle Velocity?

Example Problem:

The following example outlines the steps and information needed to calculate Muzzle Velocity.

First, determine the muzzle energy. In this example, the muzzle energy is found to be 10 lbf-ft.

Next, determine the mass of the bullet. For this problem, the mass of the bullet is found to be 20 grains.

Finally, calculate the Muzzle Velocity using the formula above:

V = SQRT (2*KE/(M/7000))

V = SQRT (2*10/(20/7000))

V = 83.66 ft/s