Iran can easily enrich uranium to weapons-grade within a week - Haaretz
Iran could enrich uranium to weapons-grade within a week and carry out a nuclear test within a couple of months, Israeli daily Haaretz reported on Sunday, citing a Western source with detailed knowledge of the UN nuclear watchdog's latest report.
“In February or March, they had around 270 kilograms. Now they have about 400,” Haaretz quoted the source as saying. “That's a 50 percent increase – definitely a massive jump. Typically, such a stockpile would be amassed over a period of two years. Now they've accumulated it in just three months.”
Assuming Iran has the necessary facilities, the source added that Tehran could further enrich uranium from 60 percent to weapons-grade 90 percent “within a week, easily.”

The source clarified that this “doesn't mean they have a nuclear weapon,” but said in his assessment, “they could conduct a nuclear test within a couple of months.”
He also cited a second IAEA report, saying it includes “a very clear statement, for the first time, that Iran didn't declare part of its nuclear material and that the IAEA doesn't know what Iran is doing with it.”
“Clearly, they have something to hide,” the source added.