Franklin Roosevelt was the only president to serve or run for more than 2 terms. He died before he completed his fourth term. George Washington probably could have served for as many terms as he wished, but he refused to serve a third term and that set a precedent which everybody honored until FDR broke it. Now there is a constitutional amendment that disallows a third term.
Grant served 2 terms.
john Adams only served one term as president
Hoover served one full term.
Zachary Taylor served 1 term
Tyler served as vice-president for one month and then became president.
He served for two terms, from 1817 until 1825 under President James Monroe.
Number 41 was George Bush, who served one term as President (1989-1993).
Many presidents have served two full terms.
Eisenhower served two terms from 1953 to 1961.
2 terms. 8 years total.
Grover Cleveland served as president for 8 years, however he is the only president in US history to serve two non-consecutive terms. He served from 1885 to 1889 and then again from 1893 to 1897.
Mr. Obama was re-elected in November 2012, and will serve two terms as president. The constitution says no president may serve more than two terms.