Air Gun Calculating Tools

Feet Per Second (FPS) to Energy Calculator

Input your rifle's velocity (fps), and the weight of the pellet used to determine the overall foot pounds of energy produced.
Enter Pellet Weight in Grains
Enter Velocity -Feet per Second
Calculated Energy in ft.lbs

Standard Deviation Calculator

Input a 10 shot FPS number string separated by comma's (ie. 755, 752, 753), then press calculate to determine standard deviation.

Enter FPS String:


Standard Deviation


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