This list of tallest buildings in Philadelphia ranks skyscraper

Skyscraper

A skyscraper is a tall, continuously habitable building of many stories, often designed for office and commercial use. There is no official definition or height above which a building may be classified as a skyscraper...

s in the city of Philadelphia, Pennsylvania

Pennsylvania

The Commonwealth of Pennsylvania is a U.S. state that is located in the Northeastern and Mid-Atlantic regions of the United States. The state borders Delaware and Maryland to the south, West Virginia to the southwest, Ohio to the west, New York and Ontario, Canada, to the north, and New Jersey to...

 by height. The tallest building in the city is currently the 57-story Comcast Center

Comcast Center (office building)

Comcast Center is a skyscraper in Center City, Philadelphia, Pennsylvania. The 58-story, tower is the tallest building in Philadelphia and the fifteenth tallest building in the United States. Originally called One Pennsylvania Plaza when the building was first announced in 2001, the Comcast Center...

, which at 975 feet (297 meters

Metre

The metre , symbol m, is the base unit of length in the International System of Units . Originally intended to be one ten-millionth of the distance from the Earth's equator to the North Pole , its definition has been periodically refined to reflect growing knowledge of metrology...

) is currently the 14th-tallest building in the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. It was topped out on June 18, 2007, to become the tallest building in the city and the state. Another famous Philadelphia skyscraper is One Liberty Place, the city's 2nd-tallest building and the 17th-tallest in the country.