10,000 Days is the fourth studio album by the American rock band Tool. The album was released by Tool Dissectional and Volcano Entertainment in parts of Europe on April 28, 2006, in Australia on April 29, 2006, in the United Kingdom on May 1, 2006, and in North America on May 2, 2006. It marked the first time since recording 1993's Undertow that the band had worked at Grandmaster and without producer David Bottrill. 10,000 Days spawned three top ten rock singles: "Vicarious", "The Pot", and "Jambi".
It debuted at number one on the Billboard 200 chart, with first week sales of 564,000 copies. The album was awarded a double platinum certification by both the RIAA and the RMNZ. It was also certified platinum in both Australia and Canada, and gold in Belgium, Germany, Ireland, Poland, and the United Kingdom.
10,000 Days was Tool's last release for more than a decade; the band would not release their next studio album, Fear Inoculum, until August 30, 2019.
