NorthEast Archery Labs
Kinetic Energy Calculator
Enter arrow mass and velocity to estimate projected kinetic energy in foot-pounds.
Projected Kinetic Energy
0.00ft-lbs
Based on the workbook formula: KE = (arrow mass × velocity²) / 450240.
Estimated Kinetic Energy Guidelines
General reference ranges for common game categories
Small Game
25 ft-lbs
Medium Game
25–41 ft-lbs
Large Game
42–65 ft-lbs
Big Game
65+ ft-lbs
Note: These values are general guidelines for educational reference. Always confirm legal requirements and use sound judgment for your setup and intended game.