Shortest Presidential Term

William Henry Harrison   30 days
James A Garfield               6 months 15 days
Zachary Taylor                  1 year 4 months 5 days
Warren G Harding             2 years 5 months
Gerald R Ford                    2 years 5 months 11 days
Millard Fillmore                2 years 8 months
John F Kennedy                 2 years 10 months
 Chester A Arthur              3 years 6 months
Andrew Johnson                3 years 10 months, 19 days
John Tyler                         3 years 11 months
John Adams                      4 years
John Quincy Adams         4 years
Martin Van Buren             4 years
James K Polk                     4 years
Franklin Pierce                  4 years
James Buchanan                4 years
Rutherford B Hayes           4 years
Benjamin Harrison             4 years
William Howard Taft          4 years
Herbert Hoover                   4 years
Jimmy Carter                      4 years
George H W Bush              4 years
Abraham Lincoln               4 years 1 month, 11 days
William McKinley             4 years 6 months, 10 days
Lyndon Baines Johnson       5 years 2 months
Richard M Nixon                5 years 6 months
Calvin Coolidge                 5 years 7 months
Theodore Roosevelt           7 years 6 months
Harry S Truman                 7 years 9 months
George Washington           8 years
Thomas Jefferson               8 years
James Madison                   8 years
James Monroe                    8 years
 Andrew Jackson                8 years
Ulysses S Grant                 8 years
Grover Cleveland              4 years + 4 years = 8 years
Woodrow Wilson               8 years
Dwight D Eisenhower       8 years
Ronald Reagan                  8 years
Bill Clinton                       8 years
George W Bush                 8 years
Barrack Obama                  8 years
Franklin D Roosevelt        12 years 1 month, 8 days