Israel Iran War · 18 March 2026
Explained: Why Iran's 60% Enriched Uranium Is Alarming
Iran's 450 kilograms of 60%-enriched uranium is alarming because it's convertible to weapons-grade (90%) within weeks, enough for over ten nuclear bombs. While 90% is considered weapons-grade, the technical leap from 60% is significantly less demanding than from lower enrichment levels. This proximity means Iran is perilously close to nuclear weapon capability, making its disarmament a key objective for international powers like the US and Israel, and prompting Russian proposals to move the material.
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