Recoil Calculator v1.2
Imperial ValuesMetric Values
BulletWeight in grains BulletWeight in gram
Muzzle Velocity in fps Muzzle Velocity in m/sec
PowderWeight in grains PowderWeight in gram
RifleWeight in lbs RifleWeight in kg
Brake efficiency in % Brake efficiency in %
Smokeless powder Convert Imperial values
Blackpowder Click Convert
Calculate Recoil Calculate Recoil
Result: Result:
Recoil Impulse (lbs sec) Recoil Impulse (Joule/sec)
Recoil Velocity (fps) Recoil Velocity (m/sec)
Free Recoil Energy (ft/lbs) Free Recoil Energy (Joule)
Gas Velocity (fps) Gas Velocity (m/sec)
MuzzleEnergy (ft/lbs) MuzzleEnergy (Joule)

How to use the program:
Insert desired data and click "Calc". You can choose to use Imperial or metric values.
You can also convert data from Imperial to Metric values by clicking on the "Convert" button.
Weatherby's AccuBrake has a maximum effect of 53%!