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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

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Calculating Trajectories . . . . . Done (0.03 seconds)

10 yard zero Ballistic Trajectory Chart

.357 SIG - 65gr@2100

Drag Function: G1
Ballistic Coefficient: 0.087
Bullet Weight: 65 gr
Initial Velocity: 2100 fps
Sight Height : 0.8 in
Shooting Angle: 0°		 Wind Speed: 10 mph
Wind Angle: 90°
Zero Range: 10 yd
Chart Range: 150 yd
Maximum Range: 1522 yd
Step Size: 10 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 -0.80 0.00 0.00 0.04 0.00 0.00 0.00 637 2100
10 -0.01 0.11 0.03 0.10 0.95 0.28 0.02 583 2009
20 0.68 -3.20 -0.93 0.28 1.30 0.38 0.03 533 1922
30 1.27 -4.02 -1.17 0.57 1.81 0.53 0.05 488 1838
40 1.76 -4.19 -1.22 1.00 2.38 0.69 0.06 445 1756
50 2.14 -4.08 -1.19 1.56 2.98 0.87 0.08 406 1677
60 2.39 -3.80 -1.11 2.28 3.61 1.05 0.10 370 1601
70 2.51 -3.42 -1.00 3.14 4.28 1.24 0.12 337 1528
80 2.48 -2.96 -0.86 4.17 4.97 1.44 0.14 307 1458
90 2.29 -2.43 -0.71 5.36 5.68 1.65 0.16 280 1392
100 1.92 -1.83 -0.53 6.73 6.42 1.87 0.18 255 1330
110 1.35 -1.17 -0.34 8.28 7.18 2.09 0.20 234 1272
120 0.56 -0.45 -0.13 10.01 7.96 2.31 0.23 215 1219
130 -0.46 0.34 0.10 11.92 8.74 2.54 0.25 198 1172
140 -1.73 1.18 0.34 13.99 9.54 2.77 0.28 184 1130
- Sound Barrier (1116 fps) -
150 -3.27 2.08 0.61 16.24 10.33 3.00 0.31 172 1093

.357 SIG - 125gr@1475

Drag Function: G1
Ballistic Coefficient: 0.141
Bullet Weight: 125 gr
Initial Velocity: 1475 fps
Sight Height : 0.8 in
Shooting Angle: 0°		 Wind Speed: 10 mph
Wind Angle: 90°
Zero Range: 10 yd
Chart Range: 150 yd
Maximum Range: 2117 yd
Step Size: 10 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 -0.80 0.00 0.00 0.06 0.00 0.00 0.00 604 1475
10 -0.01 0.11 0.03 0.12 1.08 0.31 0.02 570 1433
20 0.59 -2.81 -0.82 0.28 1.31 0.38 0.04 538 1392
30 1.02 -3.22 -0.94 0.55 1.73 0.50 0.06 508 1353
40 1.25 -2.98 -0.87 0.92 2.20 0.64 0.09 481 1316
50 1.29 -2.45 -0.71 1.41 2.69 0.78 0.11 455 1281
60 1.11 -1.76 -0.51 2.01 3.20 0.93 0.13 432 1247
70 0.71 -0.97 -0.28 2.72 3.71 1.08 0.16 410 1215
80 0.07 -0.09 -0.03 3.54 4.22 1.23 0.18 390 1186
90 -0.81 0.86 0.25 4.47 4.74 1.38 0.21 372 1158
100 -1.95 1.86 0.54 5.51 5.25 1.53 0.23 356 1133
- Sound Barrier (1116 fps) -
110 -3.37 2.92 0.85 6.64 5.76 1.67 0.26 341 1109
120 -5.06 4.02 1.17 7.87 6.26 1.82 0.29 328 1087
130 -7.05 5.18 1.51 9.20 6.75 1.96 0.32 316 1067
140 -9.35 6.37 1.85 10.61 7.23 2.10 0.35 305 1048
150 -11.96 7.61 2.21 12.11 7.70 2.24 0.37 295 1031

.45 ACP - 230gr@920

Drag Function: G1
Ballistic Coefficient: 0.148
Bullet Weight: 230 gr
Initial Velocity: 920 fps
Sight Height : 0.8 in
Shooting Angle: 0°		 Wind Speed: 10 mph
Wind Angle: 90°
Zero Range: 10 yd
Chart Range: 150 yd
Maximum Range: 1959 yd
Step Size: 10 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)
- Sound Barrier (1116 fps) -
0 -0.80 0.00 0.00 0.10 0.00 0.00 0.00 432 920
10 -0.01 0.08 0.02 0.13 1.22 0.35 0.03 423 910
20 0.35 -1.64 -0.48 0.23 1.08 0.31 0.07 414 900
30 0.27 -0.86 -0.25 0.39 1.23 0.36 0.10 405 890
40 -0.24 0.58 0.17 0.61 1.45 0.42 0.13 397 881
50 -1.20 2.29 0.67 0.89 1.70 0.50 0.17 389 872
60 -2.62 4.16 1.21 1.24 1.97 0.57 0.20 381 864
70 -4.51 6.13 1.78 1.65 2.24 0.65 0.24 373 855
80 -6.86 8.18 2.38 2.11 2.52 0.73 0.27 366 847
90 -9.71 10.28 2.99 2.64 2.80 0.81 0.31 359 839
100 -13.05 12.44 3.62 3.23 3.08 0.90 0.34 353 831
110 -16.89 14.64 4.26 3.88 3.36 0.98 0.38 346 823
120 -21.25 16.88 4.91 4.58 3.64 1.06 0.42 340 815
130 -26.12 19.17 5.58 5.35 3.93 1.14 0.45 333 808
140 -31.53 21.49 6.25 6.18 4.21 1.22 0.49 327 801
150 -37.49 23.84 6.94 7.07 4.49 1.31 0.53 322 793
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.