Bullet Energy Calculator

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Enter the weight of your bullet and the velocity of the round below to calculate the energy and power factor of the round.

Many manufacturer provided velocities may or may not be over/under stated, different based on your gun and your shooting conditions. We recommend using a reading from your own chronograph if possible

You can enter data for up to 3 rounds at a time for comparison purposes

Bullet Weight (grains) Velocity (feet/sec) Energy (ft-lbs) Power Factor*

*Power Factor is another measure of bullet power using the formula: weight*velocity/1000. The power factor is used by several competitive shooting organizations to determine scoring and classification.

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