The film opened in 2,253 screens worldwide including 555 screens in Tamil Nadu, 525 screens in Andhra Pradesh,, 128 screens in Kerala, 45 screens in Karnataka, and 700 screens in North Indian states. The film grossed Indian rupee62 crore from all versions in the first weekend, second only to Dabangg's Indian rupee65 crore haul. In the first week, the film grossed Indian rupee117 crore from all versions, matching the overall business of Sivaji. During the first week, the film fared exceptionally well with Enthiran and Robo, but the business with Robot remained ordinary. Robot did not make as much of an impact in North India, as it made only Indian rupee10.5 crores overall in the first week. The film did a bit better at select single screens in Maharashtra but was overall poor, especially in the the regions of Delhi and Punjab.
The film opened in 300 screens overseas. It was the first Tamil film to be screened at Colosseum Kino in Oslo, Norway. In Malaysia, Endhiran grossed $1 million in the first week from 100 screens. In the United Arab Emirates, Endhiran grossed $301,000 in the first weekend while Robot grossed $86,000. In the United Kingdom, Enthiran was released by Ayngaran International while Robot was released by B4U Network. In the first weekend, Endhiran opened at 11th place in the UK collecting £295,148 from 30 cinemas while Robot opened at 21st, collecting £62,134 from 41 cinemas. Ficus Movies handled distribution of the film in its different languages in Canada and the United States. Endhiran opened at 12th position in the US in its opening weekend collecting $1,520,108 from 64 screens, while Robo debuted at 17th position in its opening weekend collecting $481,680 from 36 screens and Robot at 34th position in its opening weekend collecting $164,390 from 39 screens. Enthiran became the highest average grossing film upon release in North America, beating Waiting for "Superman", The Social Network, Anjaana Anjaani, and The Town.
I'd say it's a success. Kinda hesitant as movie actors tend to be overrated. Regardless, Rajnikanth does kinda interest me.