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Ballistic Trajectory Calculator

Use this ballistic calculator in order to calculate the flight path of a bullet given the shooting parameters that meet your conditions. This calculator will produce a ballistic trajectory chart that shows the bullet drop, bullet energy, windage, and velocity. It will a produce a line graph showing the bullet drop and flight path of the bullet. By adding trajectories to the panel on the right you may produce charts and graphs that show the different trajectories side by side. This can be useful in comparing cartridges or loads.

Single Trajectory Graph & Chart
Drag Function: [?]
Ballistic Coefficient:[?]
Bullet Weight: [?] (gr)
Initial Velocity: [?] (fps)
Zero Range: [?] (yd)
Sight Height: [?] (in)
Shooting Angle: [?] (deg)
Wind Speed: [?] (mph)
Wind Angle: [?] (deg)
Correct for Atmosphere: [?]
Altitude: [?] (ft)
Temperature: [?] (F)
Barometric Pressure:[?] (hg)
Relative Humidity: [?] (%)
Show Sound Barrier: [?]
Chart Range: [?] (yd)
Chart Step Size: [?] (yd)
Multiple Trajectory Graph
Trajectories
Width: (px)
Height: (px)
Range: (yd)
Chart Step Size: (yd)
Label:
Chart Column Customization

Create Column
Data:
Units:
Color: #

Chart Columns
308 Win 150 grain Ballistic Trajectory Chart
Drag Function: G1
Ballistic Coefficient: .40
Bullet Weight: 150 gr
Initial Velocity: 2900 fps
Sight Height : 1.5 in
Shooting Angle: 0°		 Wind Speed: 10 mph
Wind Angle: 90°
Zero Range: 100 yd
Chart Range: 200 yd
Maximum Range: 5290 yd
Step Size: 25 yd
 International Standard Atmosphere
Altitude: Sea Level (0 ft)
Barometric Pressure: 29.92 Hg
Temperature: 59° F
Relative Humidity: 50%
Speed of Sound: 1116 fps

Range Elevation Elevation Elevation Windage Windage Windage Time Energy Vel[x+y]
(yd) (in) (MOA) (MIL) (in) (MOA) (MIL) (s) (ft.lbf) (ft/s)
0 -1.50 0.00 0.00 0.03 0.00 0.00 0.00 2802 2900
25 -0.71 2.68 0.78 0.08 0.30 0.09 0.03 2688 2841
50 -0.19 0.36 0.10 0.22 0.42 0.12 0.05 2580 2783
75 0.05 -0.07 -0.02 0.46 0.59 0.17 0.08 2474 2725
100 0.00 0.00 0.00 0.81 0.77 0.22 0.11 2373 2669
125 -0.36 0.28 0.08 1.25 0.96 0.28 0.14 2275 2613
150 -1.04 0.66 0.19 1.81 1.15 0.33 0.17 2180 2558
175 -2.05 1.12 0.32 2.47 1.35 0.39 0.20 2088 2503
200 -3.41 1.62 0.47 3.25 1.55 0.45 0.23 1999 2450
shooting chronograph

Keep in mind this is an approximation and although it is quite accurate it should never replace first-hand experience of shooting your specific firearm and ammunition to determine the bullet drop and windage at different ranges and conditions. To make it as accurate as possible, it is important that you input the most accurate information that represents shooting conditions, your firearm, and cartridge. The two most important variables are the Initial Velocity and the Ballistic Coefficient. If you do not have a Shooting Chronograph, I strongly suggest you purchase one. It is a great investment if you want to get into long range shooting and will be especially useful if you handload.

I want this to be the best ballistic trajectory calculator out there. Please let me know how it can be improved upon. You can find an email form and contact information here. Thank you.