20 Gauge Trajectory Calculator

See how 20 Gauge stacks up in our full caliber comparison chart — energy, drop and recoil for every rifle caliber side by side.

Unit System

Imperial (yards, fps, inches) Metric (meters, m/s, centimeters)

Drag function Ballistic coefficient Initial Velocity (ft/s)

Sight Height (inches) Shooting Angle (degrees) Zero Range (yards)

Wind Speed (mph) Wind Angle (degrees) Bullet Weight (grains)

Max Range (yards)

Step Size (yards)

Use atmospheric correction