Car Crash Force Calculator
Free calculate impact force and deceleration in car crashes from velocity, stopping distance, and vehicle mass.
Input Parameters
Typical car: 1500-2000 kg
Distance over which vehicle stops
Results
Enter parameters to calculate crash force
Crash Force Formulas
Impact Force
F = m × a = m × v² / (2 × d)
Where m is mass, v is velocity, d is distance
Deceleration
a = v² / (2 × d)
From kinematics: v² = u² + 2as