Los Diablos Rojos of Alex Ferguson needed just one point to win his third consecutive title and his escort left behind Liverpool, which is seven units with two matches to play.
It's an incredible feeling. Fortunately we were able to achieve today, "said striker Wayne Rooney. Recent years have been incredible and hopefully we can continue.
United have won 11 titles in the Premier in the last 17 seasons under the command of Ferguson, and tied with Liverpool as the most English winners of the tournament with 18 crowns.
Despite a dull party, the public in the Old Trafford stadium erupted in celebration when they heard the final silbatazo.
Ferguson has 25 trophies since arriving at the club in 1986 and expects to add another when United face Barcelona in the final of the Champions League on May 27 in Rome.
That was the goal because we are the best team in the world, but never thought he would win 11 titles, "said the coach of 67 years. I want to keep forever.
The result of Saturday gives Ferguson almost two weeks to prepare his team for the final in Rome, although Arsenal threatened to ruin the party at Old Trafford as the visitors were more dangerous in a game of few scoring opportunities.
90 minutes were the longest in history, said Ferguson. There was only a shortcut on the whole match was a very cautious.
Although the goals from Cristiano Ronaldo, Rooney and Argentine Carlos Tevez attention, the defense of United this season was one of their strengths and goalkeeper Edwin van der Sar imposed a record for British football to add 1311 minutes without allowing a goal.
Tevez, whose future is uncertain with the club when his loan expires at the end of the season, was one of the most acclaimed players from the public during the medals ceremony.
Tevez was the owner and the public ovation when he left the stadium in the second half. When Ferguson spoke after the coronation, the audience drowned his words with chants of fĂchalo.
Maybe it's goodbye, "said the Argentine. It is very difficult (to stay).
United stumbled in April when he lost 4-1 to Liverpool and 2-0 against Fulham, but then thread a winning streak and left on the road to the Reds.
I think it is a fantastic achievement, "said zaguero Gary Neville, who won their eighth title with the team. We made things difficult this season. Next season we will have a difficult task to repeat.
Liverpool on Sunday to face West Bromwich Albion colere. The last date is next week and closes United against Hull.