Online Blast Radius Calculator: Estimate Explosion Impact & Safety Zones

Calculate Your Blast Radius

Enter the mass of the explosive.
This factor depends on the desired effect (e.g., glass breakage, structural damage) and units. Use reputable sources for precise 'C' values.

Determine the theoretical blast radius of an explosion quickly and accurately. Use our intuitive calculator to estimate safety distances, understand potential damage zones, and plan for various scenarios involving explosive yields and different impact severities.

Formula:

The Blast Radius (R) is estimated using a simplified scaling law often seen in initial assessments:

R = C × (W)1/3

  • R = Estimated Blast Radius (in your chosen output unit)
  • C = Blast Effect Constant (a scaling factor that depends on the desired effect/damage level and the unit system. For example, a 'C' value of 8 might represent significant structural damage when 'W' is in kilograms and 'R' is in meters).
  • W = Explosive Yield/Mass (internally converted to kilograms of TNT equivalent)

Please note: This is a simplified theoretical model. Real-world conditions can vary significantly.

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