Nuke Blast Simulator

JDAM (GBU-31)

USA · 1997 · 0.43 t (Mk 84 warhead) explosive fill · conventional high-explosive

By Marko Visic, BSc Physics

Overview

GPS-guided 2,000 lb bomb (about 0.43 t fill with the Mk 84 warhead).

With about 0.43 t (Mk 84 warhead) of explosive fill (no published TNT equivalent)[1, 2], the JDAM (GBU-31) is a conventional high-explosive weapon that releases its energy through chemical reactions, not nuclear processes. [3]

Effect radii not shown

The JDAM (GBU-31) is a conventional (non-nuclear) weapon. The nuclear blast and thermal scaling laws this site uses do not apply to chemical explosives, so no effect radii are shown. See the methodology page.

Related Weapons

FAQ

What is the explosive fill of the JDAM (GBU-31)?

The JDAM (GBU-31) holds about 0.43 t (Mk 84 warhead) of explosive fill (no published TNT equivalent).[1, 2]

Sources

  1. 1.Source: US Air Force, Joint Direct Attack Munition GBU-31/32/38 fact sheet — retrieved Oct 2026
  2. 2.Source: Wikipedia, Mark 84 bomb — retrieved Oct 2026
  3. 3.Source: US DoD & ERDA (Glasstone & Dolan), via Atomic Archive, The Effects of Nuclear Weapons, 3rd ed. (1977), Chapter 1 — retrieved Oct 2026
See the full Weapons Database, all data sources, or the scientific methodology.