Blast Radius Calculator

Written by Great Medico

Updated September 25, 2026 •2 min read

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This page is best used as a focused physics model, experiment aid, or conceptual check rather than a black-box prediction. Blast Radius Calculator connects its visible setup to blast-distance layout, making it easier to separate the governing relation from real-world effects that the page does not model.

What this calculator does

The Blast Radius Calculator brings together All-up weight of base explosives (W), Type of munition, Public access, Distance around the page’s blast-distance layout. The formula section below identifies which values actually drive that result and which fields are supporting or derived quantities, so you can check the page without assuming every visible box is an independent input.

How to use it

The main fields on this page are All-up weight of base explosives (W), Type of munition, Public access, Distance. Enter the quantities you actually know, keep their units consistent, and leave derived/output-style fields blank unless the formula explicitly allows solving in the opposite direction. For a clean check of blast-distance layout, change one driving quantity at a time and confirm that the result moves in the direction predicted by the equation.

How the calculation works

The current page exposes explosive weight, munition type, public-access choice, and distance. The active legacy calculator instead expects a yield and hazard-zone selector, so the visible fields do not currently provide the inputs that calculation uses.

Example

For example, start with the page’s populated scenario: Type of munition = generic; Public access = yes. Apply the equation above using the units shown on the page, then compare the calculated blast-distance layout with the displayed result. As a second check, change one physical input while holding the others fixed and confirm that the direction of change makes sense for this formula.

How to interpret the result

Interpret blast-distance layout within the idealized model described above. A useful answer should move in the direction predicted by the underlying physics when one driving quantity changes; if it does not, recheck units and the page’s field mapping before drawing a real-world conclusion.

Limitations and notes

The active legacy blast model expects yield and zone fields; this page exposes explosive weight, munition, access, and distance instead. Because those inputs are not mapped, the current calculator is not an operational blast-effects model. Do not use it for safety, standoff, or explosive planning.