Bullet Kinetic Energy Calculator
Kinetic energy is what a bullet carries to the target. Enter projectile weight in grains and velocity in feet per second to get energy in foot-pounds and joules, along with momentum and power factor.
Inputs
Load presets
Kinetic energy2619.4ft·lbf
Kinetic energy3551.4J
Momentum63.60lb·ft/s
Power factor445
Metric equivalents: 0.01089 kg at 807.7 m/s. Energy scales with the square of velocity, so a 10% velocity gain is worth about 21% more energy, while 10% more bullet weight is worth only 10%.
| Velocity (fps) | Energy (ft·lbf) | Energy (J) |
|---|---|---|
| 2100 | 1645 | 2230 |
| 2200 | 1805 | 2448 |
| 2300 | 1973 | 2675 |
| 2400 | 2148 | 2913 |
| 2500 | 2331 | 3161 |
| 2600 | 2521 | 3419 |
| 2700 | 2719 | 3687 |
| 2800 | 2924 | 3965 |
| 2900 | 3137 | 4253 |
| 3000 | 3357 | 4552 |
| 3100 | 3585 | 4860 |
| 3200 | 3820 | 5179 |
| 3300 | 4062 | 5507 |