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Handy tools designed by airgunners for airgunners!


Energy calculated from velocity and pellet weight at a given distance.

Pellet Velocity: (in fps)
Pellet Weight: (in grains)


Velocity calculated from a known energy rating and pellet weight.

Muzzle Energy: (in ft/lbs)
Pellet Weight: (in grains)


Ballistic Coefficient calculated from retained velocity measurements at two distances.
Courtesy of Steve_in_NC

Velocity at Near Distance: (in fps)
Velocity at Far Distance: (in fps)
Nearest Distance: (in yards)
Farthest Distance: (in yards)


Retained velocity at point of impact calculated from BC, range to target, and muzzle velocity.
Courtesy of Steve_in_NC

Muzzle Velocity: (in fps)
Range to Target: (in yards)
Ballistic Coefficient:


Wound Channel Depth / Penetration Calculator
Courtesy of Steve_in_NC

Pellet Weight: (in grains)
Pellet Velocity at Point of Impact: (in fps)
Pellet Caliber: (in inches, ie. .177 or .22)


Inclined Shooting Correction Calculator
Courtesy of Steve_in_NC

Inclination Angle: (0 degrees = horizontal shot, 90 degrees = pure vertical)
Line-of-Sight Range To Target: (in yards)
Ballistic Coefficient:
Muzzle Velocity: (in fps)

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