The 23-year-old Eaton tallied 6,568 points, 69 points more than his previous world record set in Fayetteville, Arkansas, in March 2010.
On Saturday’s first day of competition in the International Indoor Combined Events meeting, Eaton set a personal best for shot put of 14.45 metres and ran the 60 metres sprint in 6.66 seconds.
On Sunday, he had another personal best with 7.60 in the 60 metres hurdles and ran the final event, the 1,000 metres, in 2:34.74.
Estonian Andres Raja was second in the competition at the Lasnamae Stadium with 6,114 points while Czech decathlon world record holder Roman Sebrle was fifth with 5,848.
