About 440 kilograms in weight, Iran’s highly enriched uranium stockpile has emerged as the single-biggest deciding factor in a lasting agreement between the US and Iran. According to the reported draft agreement, the final discussions will be centered solely on agendas including enrichment, enriched material, and economic reconstruction. According to media reports, Tehran’s nuclear programme and support for resistance groups would be excluded.
US President Donald Trump has, however, made his stance clear. Speaking at the White House about Iran’s enriched uranium, he had said: “We will get it. We don’t need it; we don’t want it. We’ll probably destroy it after we get it.” But the Iranian leadership is unwilling to relent. The country’s Supreme Leader directed that the highly enriched uranium “should not be sent abroad”. The negotiators are currently facing one of the most difficult questions: What exactly should happen to 440 kilograms of uranium enriched to roughly 60% purity?
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Why does 440 kg of highly enriched uranium matter?
The number is critical. It matters because most civilian nuclear power reactors use 3 to 5% enriched uranium. In contrast, nuclear weapons require the radioactive material to be enriched to about 90%. The stockpile in Iran, therefore, sits uncomfortably close to weapons-grade territory.
According to assessments cited by CNN-News 18, foreign inspectors and nuclear analysts believe the radioactive material could potentially be enriched to weapons-grade levels in a relatively brief period if Tehran chose to do so. Experts estimate that the country contains enough uranium stockpile for around 10 nuclear weapons if enriched to 90%.
Iran says its nuclear programme is peaceful
The Iranian leadership has maintained the position that its nuclear programme remains peaceful and the country has every right under international law to enrich uranium for civilian requirements. The US, Israel, and many European governments, however, argue that enrichment to 60% goes far beyond civilian purposes and greatly shortens the timeline to a nuclear weapon.
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Does uranium exist in Iran despite facilities being destroyed?
The issue has now become even more complex after a prolonged conflict and military strikes on the nuclear infrastructure in Iran. While many of the country’s enrichment facilities have been destroyed, Western intelligence assessments indicate that much of the enriched uranium itself may have survived. The radioactive material can be hidden, transported, dispersed, or stored at secret locations. Due to this, even after combat operations, it may still exist. IAEA Director General Rafael Grossi recently told Reuters that agency inspectors believe “a bit more than 200 kg” of Iran’s 60% enriched uranium could be hidden in tunnel facilities located near Isfahan.
Why does Trump want the uranium removed?
For the United States, the enriched uranium stockpile represents the biggest unresolved danger in the nuclear programme in Iran. President Trump and his advisers stress that as long as the material exists, concerns about Tehran’s weapons programme in the future will persist despite enrichment facilities being damaged. That explains why the administration wants uranium to be removed and destroyed. Trump has announced, “We’ll probably destroy it after we get it.”
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First published on: Jun 15, 2026 04:44 PM IST
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