Blast Radius Calculator
Free calculate blast radius and overpressure zones from explosions based on tnt equivalent yield. Get instant, accurate results with our easy-to-use calculator.
Input Parameters
Results
Enter yield and distance to calculate blast effects
Blast Radius Formulas
Scaled Distance
Z = R / W^(1/3)
Where:
- • Z = scaled distance (m/kg^(1/3))
- • R = distance from blast
- • W = TNT equivalent yield
Overpressure Zones
- • > 10 psi: Severe damage
- • 5-10 psi: Heavy damage
- • 2-5 psi: Moderate damage
- • < 2 psi: Light damage