0item(s)

You have no items in your shopping cart.

Product was successfully added to your shopping cart.

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)