how high is an average floor of a building
1 Emporis Standards defines a high-rise as A multi-story structure between 35â100 meters tall, or a building of unknown height from 12â39 floors.. 2  According to the building code of Hyderabad, India, a high-rise building is one with four floors or more, or one 15 meters or more in height. In the U.S., the National Fire Protection Association defines a high-rise as being higher than 75 feet (23 meters), or about 7 stories. 2  Most building engineers, inspectors, architects and similar professions define a high-rise as a building that is at least 75 feet (23 m) tall.